Wireman - 2nd Semester - Module 1: Measuring InstrumentWireman - 2nd Semester - Module 1: Measuring Instrument . Questions: Level 1 . 1 What is the type of scale?. A Coarse fine scale

Wireman - 2nd Semester - Module 1: Measuring Instrument Questions: Level 1 1 What is the type of scale?

A Coarse fine scale B Extended scale C Linear scale D Non linear scale 2 What is the meter constant of an energy

meter? A Multiplication factor of energy meter B Number of revolutions per KWh C Initial reading of KWh D Final reading of KWh meter 3 What is the name of meter?

A Vibrating reed type frequency meter B Weston type frequency meter C Electro dynamo type frequency meter D Ratio meter type frequeny meter 4 Which meter is the example of a recording

type instrument? A Energy meter B Power factor meter C Ohmmeter D Wattmeter 5 Which meter is integrating type instrument? A Wattmeter B Ammeter C Multimeter D Energymeter

6 What is the unit of sensitivity of the meter? A Volt Ampere B Ohm / Volt C Volt / Ohm D Ohm - metre 7 Which electrical effect, the moving iron

instrument works? A Heating effect B Chemical effect C Magnetic effect D Induction effect 8 How many segments in LCD displays in

Digital Multi Meter (DMM)? A 10 B 8 C 7 D 6 9 Which principle the instrument transformers

work? A Self induction B Mutual induction C Fall in potential D Lenz’s law 10 How the burden of current transformer is

expressed? A Watt B Ampere hour C Volt ampere D Watt hour

- NIMI Question Bank - Page1/ 5

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Questions: Level 2 1 Which meter is used to measure only DC

quantities? A Moving iron repulsion type instrument B Moving iron attraction type instrument C Induction type instrument D Moving coil instruments 2 Which classification of instrument tangent

galvanometer belongs? A Secondary instrument B Absolute instrument C Recording instrument D Integrating instrument 3 Which material is used for making control

spring in instrument? A Phosphor bronze B Copper C Aluminium D Nickrome 4 Which force causes the moving system of

an instrument to move from its zero position?

A Friction damping force B Controlling force C Deflecting force D Eddy current damping force 5 Which error occures on the measuring

instruments due to effect of environment such as humidity, temperature etc?

A Influence error B Device error C Switching error D Human error 6 Why a gravity controlled instrument is used

only in vertical position? A The scale is un-uniform on the dial B Gravitational force will act only towards

earth C To avoid parallax error of the reader D To reduce the reading error 7 Which factor the deflecting torque of a

moving coil instrument depends upon? A Directly proportional to current B Inversely proportional to current C Directly proportional to voltage D Inversely proportional to voltage

8 What is the disadvantage of induction type wattmeter?

A It is used only in AC B It is used only in DC C Cannot be used for higher current D Cannot be used on both AC and DC 9 What is the function of permenent magnet in

an energy meter? A Acts as a brake to the disc when the load is

‘OFF’ B It helps the disc to move when load is ‘ON’ C It reduces the friction error D It gives path for the magnetic flux 10 Which force helps the moving system to

bring rest to it’s final diflected position quickly?

A Controlling force B Deflecting force C Damping force D Gravitational force 11 Which factor the deflecting force of moving

iron instruments depends upon? A Inversely proportional to square of current in

coil B Directly proportional to square of current in

coil C Inversely proportional to current in the coil D Directly proportional to current in the coil 12 How the low range of the ammeter can be

extended to higher range? A By connecting a shunt resistor in parallel

across meter coil B By connecting a resistor in series with meter

coil C By connecting a resistor in series with

supply D By connecting two resistors across with

supply 13 Why the scale of a moving iron instrument is

un-uniform? A The deflecting force is directly proportional

to the current B The deflecting force is inversely proportional

to the current C The deflecting force is directly proportional

to the square of current D The defleting force is inversely proportional

to the square of current


14 Which meter the eddy current damping is used?

A Moving iron instrument B Moving coil instrument C Absolute instrument D Recording type instrument 15 What is the cause for creeping error in

Energy meter? A Change in resistance B Improper power factor C Rotation of disc when the load is OFF D Abnormal friction of the moving system 16 Why the scale of the permenent magnet

moving coil instrument is uniform? A The deflecting force is inversely proportional

to current B The deflecting force is directly proportional

to the current C The deflecting force is directly proportional

to square of current D The deflecting force is inversely proportional

to square of current 17 Which meter is used to measure the

medium value of resistance? A Shunt type ohmmeter B Megger C Galvanometer D Series type ohmmeter 18 Which factor the accuracy of ohmmeter

depends? A Type of scale B Condition of battery C Sensitivity of the meter D Value of resistance to be measured 19 Which instrument is used to measure the

current in insulated conductors only? A Tong tester B Multimeter C Insulation resistance tester D Repulsion type M.I Ammeter



Questions: Level 3 1 How the creeping error can be prevented in

energy meter? A By adjusting the spindle in recording

mechanism B By drilling two diametrically opposite holes

in disc C By reducing number of turns of current coil D By increasing number of turns of pressure

coil 2 Why the pointer of a megger is in any place

on the scale while its in idle? A The deflecting torque is proportional to

current B The deflecting torque on the meter is

inversely proportional to current C The instrument does not have controlling

torque D The deflecting torque is inversly propotional

to square of the current 3 What is the cause for device errror in a

measuring instrument? A Incorrect connection B Effect of parallax error C Effect of environment D Used in the incorrect position 4 What is the effect of an ammeter, if it is

connected parallel to the supply? A Will not indicate any reading B The meter will burn out C The pointer moves and struck on the other

end D Works normally 5 What happens to the current transformer, if

its secondary is kept open circuited while using?

A No effect, function normally B Measures incorrect reading C High flux is produced in primary and leads

to burn out D Does not show readings

6 Which error is caused by the braking system of energy meter?

A Creeping error B Speed error C Phase error D Friction error 7 Which error is caused by wrong positioning

of eyes of reader before the meter? A Influence error B Human error C Parallax error D Reading error

Module 1 : Measuring Instrument - Key paper

Questions: Level 1 Questions: Level 2 Question: Level 3

SL.No Key SL.No Key SL.No Key 1 C 1 D 1 B 2 B 2 B 2 C 3 A 3 A 3 D 4 B 4 C 4 B 5 D 5 A 5 C 6 B 6 B 6 B 7 C 7 A 7 C 8 C 8 A 9 B 9 A 10 C 10 C

11 B 12 A 13 C 14 B 15 C 16 B 17 A 18 B 19 A


Wireman - 2nd Semester - Module 2: Basic Wiring Practice Questions: Level 1 1 What is the name of wiring circuit is

illustrated?

A Tunnel wiring B Corridor wiring C Hostel wiring D Hospital wiring 2 What is the distance between the floor and

distribution board as per IE rule in domestic wiring?

A 2 m B 2.5 m C 3 m D 3.5 m 3 How many light, fan and 6A socket outlet

points are recommended for a sub-circuit as per IE rule?

A 7 Nos B 10 Nos C 12 Nos D 14 Nos 4 What is the recommended height of socket

outlet from the floor level as per BIS? A 1.3 m B 2.0 m C 2.5 m D 3.0 m 5 How many points are recommended in

power sub-circuit as per BIS? A 1 point B 2 points C 3 points D 4 points 6 Which is the correct size of drill for making

pilot holes for 6 mm diameter screw shank? A 2 mm B 4 mm C 6 mm D 8 mm

7 What is the name of un threaded portion of a wood screw?

A Point B Shank C Spiral thread D Length 8 Which type of wood screw is illustrated?

A Slotted countersunk head wood screw B Slotted round countersunk head wood

screw C Slotted round head wood screw D Slotted raised counter sunk head wood

screw 9 What is the recommended minimum height

of light fitting from the floor level? A 1.5 m B 2 m C 2.25 m D 3 m 10 What is maximum power recommended to

the light and fan sub circuit as per IE rules? A 3000 watts B 1500 watts C 800 watts D 750 watts 11 What is the recommended minimum height

of socket outlet shall be provided in the bath room?

A 130 cm B 140 cm C 150 cm D 200 cm 12 What is the maximum power load

recommended on a sub circuit as per IE rules?

A 1500 watts B 2000 watts C 3000 watts D 3500 watts


Questions: Level 2 1 Which method of looping system is used in

lodges? A Looping out from switch and ceiling rose B Looping out from switch C Looping out from 3-plate ceiling rose D Looping out with junction box 2 Which type of looping system employs with

special switches having two terminals and one connector?

A Looping out from switch & socket B Looping out from switch C Looping out from ceiling rose D Looping out from junction box 3 Which type of wiring system requires special

sockets or plug with fuse? A Tree system B Ring main system C Distribution board system D Looping from ceiling rose 4 Which type of wiring system is suitable for

multistorey building? A Tree system B Ring main system C Distribution board system D Looping out with junction box 5 What is the purpose of circuit diagram in

wiring installation? A Indicates with symbols and details of wiring

method B It explains the function of various

accessories C Represent physical position of accessories D Gives final appearance of installation 6 Which represents the physical position of

accessories in the wiring installation? A Wiring diagram B Schematic diagram C Installation plan D Layout diagram 7 Which diagram informs the reader about

design of circuit without giving any information on the circuit itself?

A Circuit diagram B Installation diagram C Layout diagram D Wiring diagram

8 Which diagram indicates the ‘Up’ and ‘Down’ cable run and number of wires in the run?

A Installation plan B Layout diagram C Circuit diagram D Wiring diagram 9 Which wiring circuit needs to switch ‘ON’ a

lamp ahead, while the light behind is put ‘OFF’?

A Staircase wiring B Godown wiring C Tunnel wiring D Corridor wiring 10 Which wiring circuit is provided with one

switch to operate ON or OFF all lights? A Tunnel wiring B Jail wiring C Hostel wiring D Corridor wiring 11 How many numbers of single way switch

and two way switch are required for godown wiring with 5 lamps?

A 2 single way & 3 two way B 4 single way & 1 two way C 1 single way & 4 two way D 3 one way & 2 two way 12 Which type of light fitting are used for

outdoor lighting purpose? A Light bracket fitting B Bulk head lamp fitting C Water proof light fitting D Chain lamp fixture 13 Which conduit fitting is used to join

additional conduit pipe in long run of conduit wiring?

A Bend B Elbow C Tee D Coupler 14 What is the advantage of concealed wiring? A The cost of installation is low B Easy to trace the fault C Semi skilled technician can carryout the

wiring D Wiring can be done through the shortest

route


15 Which type of wiring require less number of bends can be taken through shortcut route in the roof?

A Battern wiring B Casing capping wiring C Surface conduit wiring D Concealed conduit wiring 16 Which type of screw is mainly used for

panel assembly? A Round head screw B Cap head screw C Semi flush type screw D Slotted socket set screw 17 What is the depth of pilot hole for fixing

wood screw in soft wood? A Equal to 4

1 screw length

B Equal to 21 screw length

C Equal to 43 screw length

D Equal to screw length 18 Which type of counter sunk screw is used

for electrical wiring installation? A Round head B Flat head C Raised head D Fillister head 19 Which shape lock nuts are used for conduit

termination? A Pentagon B Hexagonal C Octagonal D Square type 20 Which material is used to make the conduit

bushing? A Wood B PVC C Asbestos D Mica



Questions: Level 3 1 What is the location of distribution fuse

board in control panel? A Near to service entry point B Near to centre of load C Away from centre of load D Outside work place

2 Which wiring has to be planned and excecuted only during the construction of building?

A CTS wiring B Casing and capping wiring C Surface conduit wiring D Concealed wiring

Module 2: Basic Wiring Practice - Key paper


SL.No Key SL.No Key SL.No Key 1 B 1 D 1 B 2 A 2 B 2 D 3 B 3 B 4 A 4 A 5 B 5 B 6 B 6 C 7 B 7 C 8 A 8 B 9 C 9 B 10 C 10 C 11 A 11 B 12 C 12 C 13 D 14 D 15 D 16 C 17 B 18 B 19 B 20 B


Wireman - 2nd Semester - Module 3: Domestic Wiring Installation Questions: Level 1 1 What is the name of vice?

A Bench vice B Carpenter vice C Pipe vice D Hand vice 2 What is the resistance value of earth

continuity conductor? A Higher than 1 ohm to 10 ohm B Should not be more than one ohm C Greater than 10 ohm to 100 ohm D Greater than 100 ohm 3 What is the standard size of GI earth wire in

dometic installation? A 8 SWG B 10 SWG C 12 SWG D 14 SWG 4 Which size of copper wire is used to lighting

circuit? A 1 sq mm B 1.5 sq mm C 2.5 sq mm D 4 sq mm 5 Which size of aluminium wire is used to

lighting circuit? A 1 sq mm B 1.5 sq mm C 2.5 sq mm D 4 sq mm

6 What is the name of coupler?

A Screwed coupler B Check nut running coupler C Coupling for flexible conduit D PVC conduit coupler 7 What is the permissible leakage current in

any wiring installation as per IE rule? A Not exceed 1/50th part of full load current B Not exceed 1/500th part of full load current C Not exceed 1/5000th part of full load current D Not exceed 1/50000th part of full load current 8 What is the minimum size of rigid steel

conduit used for surface conduit wiring? A 12 mm diameter B 14 mm diameter C 16 mm diameter D 19 mm diameter 9 What is the maximum distance between

heavy gauge saddles fixing on a conduit pipes?

A 30 cm B 50 cm C 1 meter D 1.5 meter


Questions: Level 2 1 Which type of the filler materials is used

after making holes? A Paper B Asbestos C Cotton D Clay 2 Which material is used to make tool bit of

the rawl jumper? A Copper B Cast iron C Carbon steel D Aluminium 3 Which material is used to make rawl tool

holder? A Carbon steel B Mild steel C Galvanized iron D Iron 4 Which tool is used along with a hammer to

make through hole in walls during wiring? A Pipe jumper B Rawl jumper C Cold chisel D Firmer chisel 5 Which meterial is used for making the pipe

jumper? A Mild steel B High carbon steel C Galvanized iron D Cast iron 6 Which type of thread is used to the screwed

couplers? A Male type B Female type C Knock thread D Variegated thread 7 What is the purpose of threading for conduit

wiring? A For fixing of electrical accessories B Provide safely of boxes C Increase the length of pipe D Protect the pipe from damage

8 Which file is used to smothening the threading edges of metal conduit?

A Triangular file B Flat file C Half round file D Needle file 9 What is the maximum threads needed to

accommodate the pipes to the full threaded portion of accessories?

A Between 1 mm to 5 mm long B Between 6 mm to 10 mm long C Between 8 mm to 16 mm long D Between 11mm to 27 mm long 10 Which tool is used for cutting thread on the

conduit pipe? A Solid tap wrench B Double ended adjustable tap wrench C Stock and die set D T-handle tap wrench 11 Which type of couplings are used to flexible

conduits? A Screwed coupler B Check nut and running coupler C Split coupling D PVC conduit coupling 12 Which type of couplers are called running

coupler? A Screwed couplers B Check nut and running couplers C Split coupler D Duel conduit coupler 13 Which type of testing for wiring installation is

illustrated?

A Insulation resistance test between

conductors B Insulation resistance test between

conductor and earth C Polarity test D Open circuit test


14 Which type of wiring installation testing is illustrated?

A Open circuit test B Polarity test C Short circuit test D Insulation resistance test 15 Which type test is to be carried out to check

wheather the switches are connected in line wire or not?

A Ground test B Polarity test C Insulation resistance test D Continuity test 16 Which helps the wireman and the consumer

to select the materials for wiring? A Estimate B Drawing C Specifications D Cost of material 17 Which factor is to be considered for

selection of supply (Single (or) 3 phase) for wiring?

A Connected load B Type of building C Type of wiring system D Size fo cables 18 Which tool is used to make holes in the brick

and concrete walls? A Rawl Jumper B Brawdle C Web chisel D Cold chisel 19 Which instrument is used to measure the

insulation resistance? A Shunt type ohmmeter B Series type ohmmeter C Megger D Multimeter



Questions: Level 3 1 How to avoid the broken of Rawl tool bit

while making hole on the wall? A It should be kept at right angle to the wall

surface B It should be kept less than 90° angle to the

wall surface C Rawl tool bit is to be properly fitted D By using correct size of rowl tool bit 2 What is the main reason for leakage current

flowing in wring installation? A Insulation failure B Low earth resistance C Incorrect size of earth wire D High earth reactance 3 What is the main cause for high value

series resistance fault in the circuit? A Conductor insulation fault B Short circuit fault C Earth fault D Loose in termination and joints 4 Which is the cause for dim light of lamps in

domestic wiring? A Earth fault in the circuit B Short circuit in the circuit C Loose in terminations (or) joints D Open circuit fault

Module 3 : Domestic Wiring Installation- Key paper

Questions: Level 1 Questions: Level 2 Questions: Level 3

SL.No Key SL.No Key SL.No Key 1 C 1 B 1 B 2 B 2 C 2 A 3 D 3 B 3 D 4 A 4 A 4 C 5 B 5 C 6 C 6 B 7 C 7 A 8 C 8 C 9 C 9 D

10 C 11 C

12 A 13 B 14 B 15 B 16 C 17 A 18 A 19 C


Wireman - 2nd Semester - Module 4 : Industrial Wiring Practice Questions: Level 1 1 What is the colour code of 3 phase 4 wire

AC supply system? A Red, yellow, black, green B Red, blue, black, yellow C Red, black, green, blue D Red, yellow, blue, black 2 What is the colour code of single phase AC

supply as per NE code? A Red and blue B Red and black C Red and green D Red and yellow 3 What is the colour code of protective

earthing conductor as per NE code? A Blue B Black C Green D Red 4 What is the alpha numeric notation of 3

phase apparatus connection? A L1, L2, L3 & N B U, V, W & N C R, Y, B & N D A1,B1, C1 & N 5 What is the Alpha - numeric notation of 3

phase 4 wire supply system as per NE code?

A L1, L2, L3 & N B U, V, W & N C R, Y, B & N D A1,B1, C1 & N 6 How many earth continuity conductors

should be provided from the machine to panel board and to the main earth electrode?

A 4 B 3 C 2 D 1

7 Which size of GI conductor is used for earthing to the motor from the main electrode?

A 14 SWG B 10 SWG C 8 SWG D 4 SWG 8 What is the current carrying capacity of a

cable? A The minimum current that flows through the

cable B The minimum current to melt the conductor C The maximum current that flows without

damaging the cable D The current of the load at starting 9 What is the minimum clearance required

between the wall and backside of a panel board in industrial wiring?

A Not less than 22.88 cm B Not less than 18.4 cm C Not less than 15.8 cm D Not less than 10.2 cm 10 What is the distance in front of the switch

board for industrial pannel board wiring? A 2 M B 1-5 M C 1 M D 0.5 M 11 What is the maximum permissible voltage

drop at the point of the commencemert of supply at the consumers end for high and extra high voltage as per IE rule?

A 12.5% B 8% C 5% D 3% 12 What is the minimum bus bar clearence

between phases in medium voltage application?

A 25 mm B 32 mm C 36 mm D 40 mm


13 What is the minimum bus bar clearence between phase to earth in medium voltage application?

A 20 mm B 26 mm C 30 mm D 32 mm 14 What is name of part marked as ‘x’?

A Cable entry hole B Bus - bars C Enclosure D Porcelain supports 15 What is the thickness of steel sheet using

the covers of bus bar chamber? A 1 mm B 1.5 mm C 2 mm D 2.5 mm


Questions: Level 2 1 Which is to be used to check the continuty

of an electrical appliance? A Megger B Ammeter C Ohmmeter D Series test board 2 Why the equipment are arranged in front

side of the switch board in industrial wiring? A To avoid short circuit B To operate easily C To test the supply frequently D To avoid personnal contacts during

maintenance 3 What is the purpose of considering diversity

factor while selecting the size of cable? A To use lesser size of cable than estimated B To select size of the cable for more current

rating C To reduce the length of cable D To withstand more voltage 4 Which metal bolt and nuts are used to

couple aluminium busbars? A Steel B Galvanised Iron (GI) C Cadmium plated iron D Tinned forged brass 5 What is the purpose of openings provided in

bus bar chamber? A For cable entries B For air circulation C To release the heat D To extend the bubar

6 Which insulating material is used for bus bar supports?

A Wood B Fiber C Porcelain D Rubber 7 Which material is used for harnessing of

cable? A Metal bands B P.V.C sleeves C Link clips D P.V.C saddles 8 Which type of pump is used as piston pump

for the domestic purpose? A Reciprocating pump B Rotary pump C Submersible pump D Jet pump 9 Which material is used to make busbars? A Hard drawn copper B Galvanised iron C Aluminium D Anealed drawn copper



Questions: Level 3 1 How the insulated conductors are protected

while passing through floors? A By means of rigid steel conduits B By means of P.V.C conduits C By means of flexible conduits D By means of P.V.C flexible hoses 2 How the cable size is determined for

industrial wiring? A By considering the voltage of circuit B By considering the load resistance C By considering the current carrying capacity

of the cable D By considering the power factor 3 How the cable ends are terminated in a

panel board wiring? A By making loops B Direct connections C By crimping socket D Wire joints

Module 4 : Industrial Wiring Practice - Key paper


SL.No Key SL.No Key SL.No Key 1 D 1 D 1 A 2 B 2 D 2 C 3 C 3 A 3 C 4 B 4 D 5 A 5 A 6 C 6 C 7 C 7 A 8 C 8 A 9 B 9 C 10 C 11 A 12 B 13 B 14 D 15 B


Wireman - 2nd Semester - Module 5: Commercial Wiring Questions: Level 1 1 How the capacity of an inverter is

expressed? A Watt hour B Ampere C Volt ampere D Ampere hour 2 Which part is marked as ‘X’ in the block

diagram of ‘OFF’ line UPS?

A Reset switch B Change over switch C Control panel D Battery charger 3 What is the expansion of UPS? A Uninterrupted Power System B Uninterrupted Power Supply C Uninterrupted Power Solution D Uninterrupted Power Section 4 Which circuit diagram is illustrated?

A ON line UPS B OFF line UPS C Bridge rectifier D Metal rectifier 5 What is the full form of ‘LAN’? A Load Area Network B Local Area Network C Local Aviation Network D Local Active Network

6 What is the name of the internet protocol that provide bidirectional interactive text -oriented communication facility?

A User datagram protocol B File transfer protocol C Telnet protocol D Simple mail transfer protocol 7 What is the foundation of data

communication for world wide web? A Hyper text transfer protocol B Transmission control protocol C Internet protocol D File tranifer protocol 8 What is the another name of radio

frequency modem? A Wireless modem B External modem C Internal modem D Wired modem


Questions: Level 2 1 Which cable is used for the fire alarm wiring

circuit? A Aluminium B Copper C Coaxial D RJ - 45 2 Which situation a 11 KV substation is to be

set up for multi storey building electrification?

A The load exceeds 20 KVA B The load exceeds 50 KVA C The load exceeds 100 KVA D The load exceeds 150 KVA 3 What is the use of special auto wires for the

installation inverter? A For connecting input AC mains B For connecting the out put load C For connecting battery terminals to inverter D For earthing the inverter 4 How the neutral is provided in an inverter? A It is common for inverter output and AC

mains B Separate neutral wire is provided C Neutral is provided for out put only D Netral is provided for AC mains only 5 What purpose grease or vaseline is applied

on the terminal of an inverter battery? A To avoid corrosion B To avoid buckling C To avoid sulphation D To avoid polarisation 6 Which is the correct location for installing an

inverter? A Near the main entrance of the building B Nearer to the energy meter and ICDP switch C Near the main hall of the building D At any side of the building 7 Why the battery of inverter is to be kept

nearer to the inverter? A To reduce the length of the cable B To reduce the length of cable and current

loss C To increase the charging current D To decrease the charging current

8 How the transformer in an inverter works, if the main supply is available?

A As charger transformer B As step up transformer C As auto transformer D As current transformer 9 How the UPS system is protected from high

voltage inputs or short circuting? A By increasing the cable size B By using input fuses or MCBs on mains C By using relays D By using ELCB 10 How the load is normally supplied in OFF

line UPS? A Connected through the inverter with static

switch ‘ON’ position B From the AC supply directly and through

inverter while AC failure C Inverter load is switched ON directly D Through the inverter only 11 What is the advantage of OFF line UPS? A High efficiency, small size, low cost B High temperature co, efficient C If inverter failure can use directly D Isolation transformer is not necessory 12 Which component is connected across the

transformer winding of an UPS for protection from lightening?

A Diode B Transistor C Triode D Polyster capacitor 13 What is the relation between back up time

and capacity of the battery of an UPS? A Capacity of battery increases back up time

increases B Capacity of battery increases back up time

decreases C Capacity of battery decreases back up time

increases D Capacity of battery has no relations with

back up time 14 What is the nature of out put voltage of ON

line UPS irrespective of the input range? A Variable out put voltage B Constant out put voltage C Below the out put capacity D Same as the input voltage


15 What is the advantage of ON line UPS? A Variable output voltage irrespective of input

range B Constant output voltage irrespective of input

range C Load is connected directly to the AC mains D Can be installed any where 16 How the neutral is provided in ON line UPS? A Input and output have different neutrals B Out put neutral linked with earth C Input have separate neutral D Input and out put have common neutral 17 Which cable is used for DTH termination to

TV? A RJ 45 cable B Lead sheathed cable C CTS cable D Weather Proof cable 18 What is the function of the part of co axial

cable marked as ‘x’?

A Serves as a line to ground B Transmitting the data C Serves as dielectric D Serves as insulator 19 Which part of coaxial cable the transmitted

is data? A Copper mesh B Copper wire C Insulation D Out side insulation 20 What is the use of co - axial cable? A For transmitting electricity B For power wiring C For transmitting video signals D For house wiring

21 What is the data transmission medium in LAN?

A PVC casle B Armoured casle C Belted casle D Coaxial casle 22 Which type of phisical topology is

illustrated?

A Linear bus topology B Star bus topology C Ring topology D Tree topology 23 Which type of network protocol is widely

used? A User data gram protocol B File transfer protocol C Transmission control protocol D Simple mail transfer protocol 24 Which network protocol is used in video

conferencing application of computer games?

A Telnet B Simple mail transfer protocol C File transfer protocol D User datagram protocol 25 Which network component splits the

network traffic in computer network? A Gateway B Router C Switch D Bridge 26 Which computer networking component

device connect multiple ethernet segments together?

A Router B Switch C Bridge D Hub


27 Which computer network device amplify or generate digital signal received while sending them from one part of network to another?

A Modem B Bridge C Hub D Repeater 28 What is the reason for using annealed

copper conductor for telephone cable? A For good physical appearance B For high dielectric strength C To get more flexibility D To avoid corrosion 29 What is the use of paper core star quad

(PCQ) cable? A For telephone wiring B For industrial wiring C For domestic wiring D For power wiring 30 What is the advantage of polythene

telephone cable? A Light tensile strength B Light in weight C Low of cost D Can use any where 31 Which type of distribution is used for

commercial wiring in work shops and sub stations?

A Bus bar type distribution B Looping out with junction bore C Looping out from switch D Raising mains 32 Which plates are used is bus chamber as

conductors in commercial wiring? A Brass B Aluminium C Bronze D Galvonised iron 33 Which type distribution is suitable for

commercial wiring of multistoried flats? A Looping out with junction B Looping out with switch C Bus chamber D Raising mains

34 What precaution is to be considered before connecting an inverter to the lines? A Total load should be same as the capacity

of inverter B Total load should exceed 80% more than of

capacity of inverter C Total load should not exceed 80% of

capacity of inverter D Total load should not be below the capacity

of the inverter 35 How the positive terminal of battery in the

inverter is to be connected? A Income phase terminal of inverter B Negative terminal of inverter C Positive terminal of inverter D Income neutral terminal of inverter 36 What is the characteristics of ‘LAN’? A Consist one computer only B Group of 2 or more computers in the same

building C Group of computers in different building D Group of computers in different area



Questions: Level 3 1 What is the reason, if the UPS does not

operate the loads on battery mode and returns to on line mode frequently?

A The battery is over charged B The back up time is too short C The relay is damaged D The U.P.S is over loaded 2 What the reason, if the beep sound alarms

continiously while a UPS is switched ‘ON’? A Input mains fluctuating B The UPS is over loaded C One of the input wire is broken D Out put is not functioning 3 How the preset UPS out put is controled, if

UPS is working in the battery mode? A By adjusting PWM output voltage controlling

preset B By adjusting the main high cut preset C By adjusting the main low cut preset D By adjusting the AVR controlling preset 4 What adjustment is to be done in

commercial installation for interconnection of two or more UPS?

A By connecting manually B By using a change over relay C By using rotary switch D By using ICDP switch

Module 5: Commercial Wiring - Key paper


SL.No Key SL.No Key SL.No Key 1 C 1 B 1 B 2 D 2 C 2 B 3 B 3 C 3 A 4 A 4 A 4 B 5 B 5 A 6 C 6 B 7 A 7 B 8 A 8 A

9 B 10 B 11 A

12 D 13 A 14 B 15 B 16 A 17 A 18 A 19 B 20 C 21 D 22 A 23 B 24 D 25 C 26 D 27 D 28 C 29 A 30 B 31 A 32 B 33 D 34 C 35 C 36 B


Wireman - 2nd Semester - Module 6: Industrial Wiring - Heating Appliances Questions: Level 1 1 What is the formula for Joules law?

A caloriesJRtIH

2=

B H = I2Rt calories C H = I2R calories

D caloriesRtIJH

2=

2 Which material is used to prepare heating

element? A Copper B Aluminium C Nichrome D Silver 3 What is the composition of Nichrome wire

used in exposed element type heater? A Nickel 90% Chromium 10% B Nickel 80% Chromium 20% C Nickel 60% Chromium 40% D Nickel 40% Chromium 60% 4 What is the formula to calculate the thermal

efficiency?

A 100x generated Heat

utilised HeatEfficiency % =

B 100x utilisedHeat

generated HeatEfficiency % =

C 100x Output

InputEfficiency % =

D 100x generated Heatretermperatu inRiseEfficiency % =

5 How the size of Rawl jumper is specified? A It’s bit’s diameter in ‘mm’ B It’s bit’s diameter in swg number C It’s bit’s length in ‘mm’ D It’s holder’s diameter in ‘mm’

6 What is the formula to calculate the standard value of Insulation Resistance (Ri) as per BIS?

A Ri = ΩMcircuit the in points of No.

25

B Ri = ΩMcircuit the inswitchesofNo.

50

C Ri = ΩMcircuit the in points of No.

50

D Ri = ΩMcircuit the in holder lamp of No.

50

7 What is the recommended resistance value of earth continuity conductor used in domestic wiring installation as per IE Rules?

A Not more than 8 ohm B Not more than 3 ohm C Not more than 2 ohm D Not more than 1 ohm 8 Which range of megger is to be used to test

the insulation resistance in medium voltage wiring installation as per BIS-732?

A 500 Volt B 1000 Volt C 1500 Volt D 2000 Volt 9 What is the minimum height of energy meter

fixing as per NE code of practise and IE rules?

A 1 metre B 1.5 metre C 1.75 metre D 2 metre


Questions: Level 2 1 What is the first procedure for checking an

electrical appliance? A Check the resistance of appliance B Check the insulation resistance C Check the continuity of conductors in power

cord wire D Check earth connection 2 Where the heating element is placed in an

immersion type heater? A Near the outer seating B Inside a hollow tube C Out side the body D Below the body 3 What is the function of the pressure plate in

an electric kettle? A To adjust the tempreture B To reduce the resistance C To adjust the voltage D To hold the sole plate in position 4 Where the heating element is placed in a

kettle? A Between two circular mica pieces B On the bottom cover C Below the sole plate D Below the out let socket 5 Where the asbestoses sheet is placed in a

kettle? A Near the brass strip B Below the pressure plate C Below the heating element D Over the element 6 Why the grooves are designed with

projection in heater plate? A For the uniform distribution of heat B To prevent the heating element from coming

out of grooves C To reduce the space for coiled heating

element D To increase the resistance of the heating

element 7 How the thermostat is connected is an

automatic electric iron? A In parallel with the supply B In series with phase wire C In series with heating element D In parallel with heating element

8 Which metal is used to make contact points of thermostat?

A Copper B Silver C Aluminium D Brass 9 What is the purpose of pressure plate in an

electric iron? A To regulate the temperature as per

requirement B To keep the heating element firmly with the

soleplate C To connect the iron with plug and socket D To distribute the heat uniformly 10 What is the function of sole-plate in an

electric iron? A To provide support to the heating element B To transfer the heat to the material being

ironed C To provide insulation between body and

element D To control the temperature 11 Which is to be connected first to the service

to board connection? A Consumer main switch B I.C cut out C Energy meter D Consumer distribution box 12 What is the name of part marked as ‘X’?

A Energy meter B I C cut out C Main Switch D Distribution board 13 Which place the energy meters are located

in a multi storyed buidings? A Ground floor B First floor C Individual rooms in each floor D All meters in generator room


14 What is the property of heating element used in electrical heating appliances?

A Low co efficient of expansion B Low specific resistance C Low mechanical strength D Low voltage withstanding 15 Where the wooden gutties are used in

wiring? A Wooden board B Metal board C Rigid walls D Non-rigid walls 16 Which tool is used along with hammer to

make through holes on walls during wiring? A Rawl jumper B Pipe jumper C Cold chisel D Crow bar 17 What is the use of Rawl jumper while fixing

energy meter board on wall? A To make pilot hole on the wooden gutties B To make holes on the bricks C To mark the hole points on the wall D To make grooves on the concrete 18 Which position the energy meters should be

fixed as per IE rules? A Horizontal position only B Any position C Inclined position D Vertical position only 19 Which material is used to make Rawl

Jumper holder? A High speed steel B Aluminium C Mild steel D Carbon steel 20 What is the advantage of distribution board

wiring system? A Cost is less B Easy to maintain C Location of fault is easy D Skilled labour is not required



Questions: Level 3 1 What is the reason for less heat in an

electric iron and excess heat at the cable plug and socket?

A Short circuit in the cable B Supply voltage is high C Heating element is partially shorted D Temperature is not controlled 2 What is the effect of weak insulation of an

automatic electric iron? A Iron will not work B Iron will be over heated C Iron will give shock D Cannot regulate temperature 3 Which is the correct rating of fuse for the

load requires 10 Amps, if the cable capacity is only 5A?

A 25 Amps B 15 Amps C 10 Amps D 5 Amps 4 What precaution is to be followed before

installing energy meter? A It should have name plate details B Readings on the display must be readable C It should be tested and approved by the

local EB authorities D It must have atleast 2 years warranty period 5 Why the polarity test is to be conducted in

wiring installation? A To check for the functional condition of

switches B To check for the open circuit of switches

and holder C To check whether switches are connected in

phase wire D To check for the permissible leakage current

Module 6: Industrial Wiring - Heating Appliances - Key paper


SL.No Key SL.No Key SL.No Key 1 A 1 C 1 C 2 C 2 B 2 C 3 B 3 D 3 D 4 A 4 A 4 C 5 B 5 C 5 C 6 C 6 B 7 D 7 B 8 A 8 B 9 A 9 B

10 B 11 C

12 C 13 A 14 A 15 D 16 B 17 B 18 D 19 C 20 C


Wireman - 2nd Semester - Module 7: Illumination and Computer Practice Questions: Level 1 1 What is the unit of luminous flux? A Lux B Lumen C Candela D Lumen / watt 2 What is the unit of luminous intensity? A Lux B Lumen C Lumen/ watt D Candela 3 What is the unit of luminous efficiency? A Candela B Lumen C Lumen / watt D Lux 4 What is the full form of LED? A Light Emitting Diac B Light Emitting Diode C Light Extracting Diode D Light Extracting Diac 5 Which is the input device of computer

system? A Keyboard B Projector C Floppy D Printer 6 What is the name of computer part?

A MIC B BAR code reader C Flash light D Camera

7 What is the expansion of CPU? A Central Performance Unit B Central Processing Unit C Control Processing Unit D Control Performance Unit 8 What is the expansion of RAM? A Random Arithmetic Memory B Read Arithmetic Memory C Read Access Memory D Random Access Memory 9 What is the expansion of ‘WWW’? A Web Wise World B World Wide Web C World Wise Web D Word Wide Web 10 What is the expansion of E-mail? A Enter mail B Electronic mail C Economic mail D Education mail 11 What is the operating temperature of

carbon filament lamp? A 1800°C B 2000°C C 2200°C D 2400°C 12 What is the operating temperature of

tungsten filament lamp? A 1700°C B 2000°C C 2300°C D 2700°C 13 Which wattage rating bulb is having less

resistance? A 40 W B 60 W C 100 W D 200 W


Questions: Level 2 1 Which electrical effect, the filament lamp

works? A Magnetic effect B Chemical effect C Heating effect D X- Ray effect 2 Which material is used for making filament

of incandascent lamp? A Carbon B Tungsten C Nichrome D Copper 3 What is the purpose of filling nitrogen or

argon gas in Incandescent lamp? A Reduces rate of evaporation of tungsten

filament B Improves efficiency C Changes the colour of light D Increases the brightness 4 What is the advantage of coiled coil lamp? A Higher light output B Long life C High wattage rating D It takes less current 5 Which type of cap is used in general lighting

service (GLS) filament lamp? A Bayonet cap (BC) B Small bayonet cap (SBC) C Edison screw cap (ES) D Small Edison screw cap (SES) 6 What is the function of flasher in a serial set

of bulb? A To close the circuit only B To breaks the circuit only C To make and break the circuit and it gives

light also D To make and break the circuit but it gives no

light 7 What is the purpose of the fluorescent

powder coating on inside the fluorescent tube?

A To produce ultra violet rays B To emit light, when exposed to ultraviolet

rays C To increase life of lamp D To maintain light without flickering

8 What is the function of choke in tube light? A Induce low voltage and limit current B Induce high voltage and limit the current C Induce high voltage and increase current D Induce low voltage and increase current 9 What is the purpose of the capacitor

connected across the electrodes of the starter contacts?

A To improve P.F B To increase the life C To eliminate radio interference D For instant start 10 What is the purpose of resistor connected in

series with auxilary elactrode in mercury vapour lamp?

A To limit voltage B To limit power C To limit the starting current D To improve power factor 11 Which device converts input supply voltage

from 3V to 12V DC? A Central processing unit B Switch Mode Power Supply (SMPS) C Control unit D Hard disk 12 Which place the deleted file goes in

computer? A Task bar B Recycle bin C My computer D Short cut 13 Which browser is an inbuilt browser in

windows? A Google chrome B Internet explorer C Mozilla firefox D Operamini 14 What is the function of device manager tool

of control panel? A It allows back up B It allows to change time zone C Allow to install or uninstall driver soft ware D Allows to configure sound & audio device 15 Which software program is used to create

document? A Excel B MS word C Media player D Power point


16 Which short cut key is used to bring the text to centre in MS word?

A Ctrl + E B Ctrl + S C Ctrl + C D Ctrl + X 17 Which folder in e-mail store messages that

have not been sent? A Inbox B Drafts C Sent D Spam 18 Which browser is prefered for small devices

like moble phone? A Firefox B Opera C Mozilla D Netscape 19 Which web browser is developed by

microsoft? A Internet explorer B Fire fox C Google chrome D Opera 20 Which is the application of microssft- Power

point? A Writing the program B Creating presentation C Preparation of worksheet D Preparation of document

21 Which instrument is used to measure illuminance?

A Light meter B Photo motor C Photographic exposure meter D Lux meter 22 Which instrument is used to measure the

brightness? A Light meter B Lux meter C Photometer D Photographic exposure meter 23 Which is discharge type lamp? A Carbon lamp B Incandescent lamp C Arc lamp D Cold cathode lamp 24 Which lamp is used in battery charging and

radiant heating apparatus? A Metal filament lamp B Carbon filament lamp C Cold cathode lamp D Hot cathode lamp



Questions: Level 3 1 What is the effect, if a filament lamp

operates at temperature above 2000°c? A Filament melts B Glass bulb becomes blackened C Glass bulb becomes whitish D Brightness is reduced 2 What is the effect, if the choke of an

operating fluorescent lamp is short circuited?

A The lamp flickers B The lamp burns out immediately C The lamp becomes dim D The lamp becomes brighter 3 How the stroboscopic effect in a fluorescent

lamp can be eliminated? A Connect twin tube in series B Connect one tube in series with supply C Connect twin tube lights in parallel D Connect one capacitor in parallel with

supply

Module 7: Illumination and Computer Practice- Key paper


SL.No Key SL.No Key SL.No Key 1 B 1 C 1 B 2 D 2 B 2 B 3 C 3 A 3 C 4 B 4 A 5 A 5 A 6 B 6 D 7 B 7 B 8 D 8 B 9 B 9 C 10 B 10 C 11 B 11 B 12 C 12 B 13 D 13 B 14 C 15 B 16 A 17 B 18 B 19 D 20 B 21 A 22 D 23 D 24 B


Documents

Wireman - 2nd Semester - Module 1: Measuring InstrumentWireman - 2nd Semester - Module 1: Measuring Instrument . Questions: Level 1 . 1 What is the type of scale?. A Coarse fine scale