MULTIPLE CHOICE QUESTIONS(MCQs)

IRRIGATION & POWER DEPARTMENT PUNJAB

SAMPLE MULTIPLE CHOICE QUESTIONS

(MCQs)

Departmental Professional Examination

PAPER A

1. IRRIGAITON MANUAL OF PRACTICE

2. IRRIGATION & HYDRAULIC STRUCTURES

By : Dr. Iqbal Ali

3. HANDOUTS

PAPER B: ACCOUNTS CODE

* Question Relating to Delegation of Financial Power Rules May be Updated according to latest edition

PAPER C: 1. IRRIGATION MANUAL OF ORDERS

2. PUBLIC WORKS DEPARTMEN CODE

IRRIGATION & POWER DEPARTMENT PUNJAB

SAMPLE MULTIPLE CHOICE QUESTIONS

(MCQs)

Departmental Professional Examination

PAPER A

1. IRRIGAITON MANUAL OF PRACTICE

2.IRRIGATION & HYDRAULIC STRUCTURES

By : Dr. Iqbal Ali

3.HANDOUTS

I.DEFINITION OF TERMS USED IN CONNECTION

WITH IRRIGATION

Q.1/12th of acre feet is equal to :

a. 2.0 Cusec hour

b. 1.0 cusec hour

c. 3.0 cusec hour

Ans. b

Q.Angularity correction made to velocity when the direction of current of flow is:

a. Right angled to discharge section

b. Exactly not right angle to discharge section

c. In case of calculation of discharge as a general

d. None

Ans. b

Q.Base period of Kharif Crop is :

a. 183 days

b. 182 days

c. 365 days

d. 120 days

Ans. a

Q.The capacity of canal is:

a. Maximum discharge it can carry

b. Authorized full supply discharge

c. Mean supply

d. Indented supply less or greater than full supply

Ans. b

Q.Full supply factor is :

a. Discharge at full supply level

b. Kharif Rabi ratio

c. Duty of canals at design stage

d. Intensity of Irrigation

Ans. c

Q.One cusec is equal to :

a. 2.83 litre per sec.

b. 28.3 litre per sec.

c. 15.2 litre per sec.

Ans. b

Q.One Cumec is equal to :

a. 1.54 cusec

b. 3.54 cusec

c. 35.4 cusec

d. 25.0 cusec

Ans. c

Q.A cross wall constructed in channel to effect uniform distribution of velocity across section is :

a. Cut off wall

b. Baffle wall

c. Divide wall

d. Toe wall

Ans. b

Q.The ratio of water used by crop to that supplied at canal head is :

a. Irrigation intensity

b. Irrigation efficiency

c. Full supply factor

d. Crop consumptive use

Ans. b

Q.Crop ratio is:

a. Design intensity : Achieved intensity of Irrigation

b. Kharif : Rabi

c. G.C.A : C.C.A

Ans. b

Q.The area irrigated during a base period divided by the mean supply utilized in cusecs is :

a. Delta

b. Duty

c. Consumptive use of crop

Ans. b

Q.Water allowance is:

a. Allowance to irrigation staff for good performance

b. Total cusecs provided to irrigate one thousand acres of C.C.A.

c. Water supplied for leaching operation

d. Discharge passing in an outlet

Ans. b

Q.The discharge through a triangular notch is measured by the equation:

a. Q=0.428C tan G3/2b. Q=4.28C tan G3/2c. Q=4.28C tan G3/2Ans. c

Q.The formula C =19 D/b1 x (d+D)/b is used for calculation :

a. Position of Hydraulic Jump

b. Exit gradient

c. Mutual interference of sheet piles on uplift pressure

d. Maximum scour

Ans.c

Q.The formula R0.9 (q2/f)1/3 is used for calculating:

a. Depth of scour from bed of channel

b. Depth of scour from water surface

c. Depth of foundation of structure below bed

d. Depth of channel in Laceys formula

Ans. b

II.SALIENT FEATURES OF IRRIGATION SYSTEM

Q.Upper Bari Doab Canal was opened in:

a. 1830

b. 1859

c. 1880

d. 1890

Ans. b.

Q.Sutlej Valley Project (S.V.P) comprised the construction of :

a. Two head works

b. Three head works

c. Four head works

d. Five head works

Ans. c.

Q.Sutlej Valley Project (S.V.P)

a. Commenced in 1920 and completed in 1930

b. Commenced in 1922 and completed in 1930

c. Commenced in 1922 and completed in 1932

d. Commenced in 1925 and completed in 1935

Ans. c.

Q.Sutlej Valley Project (S.V.P) comprised :

a. 5 canals

b. 9 canals

c. 11 canals

d. 15 canals

Ans. c.

Q.Old Sidhnai Weir on River Ravi was completed in :

a. 1870

b. 1885

c. 1895

d. 1900

Ans. b.

Q.Total catchment area of Indus River System is:

a. 225,000 Sq miles

b. 350,000 Sq miles

c. 450,000 Sq miles

d. 550,000 Sq miles

Ans. c.

Q.The length of main Indus River is:a. 1500 miles

b. 2000 miles

c. 2500 miles

d. 3000 miles

Ans. b

Q.The river with its source at Verinag in Kashmir Valley is called:

a. Indus River

b. Jhelum River

c. Chenab River

d. Ravi River

Ans. b.

Q.Catchment area of Chenab River is :

a. 15,000 Sq miles

b. 20,210 Sq miles

c. 26,079 Sq miles

d. 3,504 Sq miles

Ans. c.

Q.Length of Chenab River is :

a. 517 miles

b. 772 miles

c. 982 miles

d. 1100 miles

Ans. b.

Q.Average annual run off of Indus River is :

a. 50 MAF

b. 70MAF

c. 90 MAF

d. 100 MAF

Ans. c.

Q.Triple Canal Project comprises :

a. L.C.C. , U.C.C. and L.J.C.

b. L.C.C., M.R.L. and L.B.D.C.

c. U.J.C., U.C.C. and L.B.D.C.

d. U.J.C., L.C.C. and L.B.D.C.

Ans. c.

Q.The famous Triple Canal Project was completed in:

a. 1903

b. 1910

c. 1915

d. 1920

Ans. c.

Q.The concrete used in Upper Jhelum Canal at the time of its construction was :

a. Plain cement concrete

b. Reinforced cement concrete

c. Plain lime concrete

Ans. c.

Q.No. of level crossings on Upper Jhelum Canal are :

a. 2

b. 3

c. 4

d. 5

Ans. c.

Q.Haveli Canal Project was completed in :

a. 1925

b. 1939

c. 1946

d. 1955

Ans. b.

Q.Taunsa Project was commissioned in :

a. 1948

b. 1953

c. 1958

d. 1963

Ans. c.

Q.Steel super structure and gates and gearing system of Taunsa Barrage were designed and fabricated by:

a. Mughalpura Irrigation Workshop (MIW)

b. Bhalwal Irrigation Workshop (BIW)

c. Machinery Division Lahore

Ans. b.

Q.Installed capacity of Rasul Power House is:

a. 11 MW

b. 15 MW

c. 22 MW

d. 30 MW

Ans. c.

Q.No of Hydro Power Stations on Upper Jhelum Canal are :

a. 2

b. 3

c. 4

d. 5

Ans. a.

Q.Nandipur Hydro Power Station is situated on :

a. Upper Jhelum Canal

b. Lower Jhelum Canal

c. Upper Chenab Canal

d. Q.B. Link

Ans. c.

Q.Shadiwal Hydro Power Station with installed capacity of 13,800 KW is situated on:

a. Lower Jhelum Canal

b. Upper Jhelum Canal

c. Upper Chenab Canal

d. Lower Chenab Canal

Ans. b.

Q.No of barrages constructed under Indus Basin Project are :

a. 4 barrages

b. 5 barrages

c. 7 barrages

Ans. b.

Q.Total diversion capacity of canals in Pakistan is :

a. 145000 Cusec

b. 190000 Cusec

c. 233000 Cusec

d. 273000 Cusec

Ans. c.

Q.Annual average outflow of river water to sea is of the order of :

a. 25 MAF

b. 38 MAF

c. 45 MAF

d. 55 MAF

Ans. b.

Q.Total No. of outlets in Punjab are about:

a. 40,000 No.

b. 50,000 No.

c. 60,000 No.

d. 70,000 No.

Ans. b.

Q.Length of inter river link canals :

a. 368 miles

b. 431 miles

c. 528 miles

d. 638 miles

Ans. c.

Q.Small dams in Punjab are :

a. 20 No.

b. 25 No.

c. 30 No.

d. 35 No.

Ans.c.

Q.Length of flood embankments in Punjab is:

a. 1200 miles

b. 1400 miles

c. 1600 miles

d. 1800 miles

Ans. c.

Q.Total numbers of Head Works / Barrages in the Punjab are :

a. 22

b. 14

c. 18

Ans. b.

Q.Total number of main canal systems in Punjab is :

a. 44

b. 18

c. 21

Ans. c.

Q.Total off take especially of irrigation canals (apart from link canals) in Punjab is of the order of :

a. 50,000 c/s

b. 1.2 lac cs

c. 3 lac cs

Ans. b.

Q.Total calturable commander area of irrigation system in Punjab is of the order of :

a. 42 million area

b. 50 million acres

c. 21 million acres

Ans. c.

Q.Total off-take capacity of link canal in the Punjab is of the order of :

a. 50,000 c/s

b. 1.1 lac cs

c. 2 lac cs

Ans. b.

Q.As against the overall designed intensity of irrigation of 67% the actual intensity of irrigation is of the order of

a. 100 %

b. 122 %

c. 80%

Ans. b.

Q.The total mileage of irrigation canals in the Punjab is of the order of:a. 50,000 miles

b. 23,000 miles

c. 15,000 miles

Ans. b.

Q.Indus River System Authority (IRSA) was established in the year :

a. 1991

b. 1993

c. 1995

d. 1997

Ans. b.

Q.Indus River System Authority (IRSA) comprises :

a. Three members

b. Four members

c. Five members

d. Six members

Ans. c.

Q.No. of Link Canals constructed under Indus Basin Treaty are :

a. 5

b. 7

c. 9

d. 10

Ans. b.

Q.Pakistan's Irrigation system is originally designed to operate

aduring Rabi season only

bmainly run-of the river supplies to cover part of CCA annually

cto meet peak crop water demand of entire CCA

dfor salinity control

Ans. b.

Q.The total mean annual inflow of Pakistan's three western rivers is nearly

a25 MAF

b295 MAF

c142 MAF

d67 MAF

Ans. c.

Q.Main canal systems in Pakistan are

a39 No.

b33 No.

c20 No.

d43 No.

Ans. d.

Q.Total No. of Head works / Barrages in Punjab are:

a18 No.

b10 No.

c14 No.

d17 No

Ans. c.

Q.Total off take capacity of canals (apart from link canals)in punjab is nearly

a0.8 Lac Cusec

b2.0 Lac Cusec

c1.2 Lac Cusec

d1.4 Lac Cusec

Ans. c.

Q.Main canal systems in Punjab are:

a21No.

b25 No.

c29 No.

d33 No.

Ans. a.

Q.Small Dams in Punjab are

a20 No.

b25 No.

c30 No.

d35 No.

Ans. c.

Q.The live storage capacity of Tarbela dam is

a6.1 MAF

b7.7 MAF

c8.4 MAF

d9.4 MAF

Ans. d

Q.The live storage capacity of Mangla dam is

a3.02 MAF

b5.34 MAF

c7.82 MAF

d9.0 MAF

Ans. b

Q.Maximum number of head works in Pakistan have been constructed on river

aChenab

bJhelum

cIndus

dSutlej

Ans. c.

III.THE STANDING WAVE OR HYDRAULIC JUMP

Q.The position of hydraulic Jump is definite on a :

a) Horizontal floor

b) Sloping glacis

c) Crest

Ans.b.

Q.Hydraulic Jump phenomenon can be used for :

a) Energy dissipation

b) Hydroelectric power generation

c) Sub surface flow analysis

d) None of the above

Ans.a.

Q.A straight glacis type fall with a baffle platform and a baffle wall is called:

a) Vertical drop fall

b) Glacis fall

c) Montague type fall

d) Inglis fall

Ans.d.

Q.Which of the following types of falls use parabolic glacis for energy dissipation:

a) Vertical drop falls

b) Glacis drop falls

c) Montague type falls

d) Inglis fall

Ans.c.

Q.The most commonly used canal fall in Pakistan is:

a) Vertical drop fall

b) Ogee type

c) Glacis type

d) Mushtaqs spreading floor type

Ans.c.

Q.Which of the following can be used as a meter fall :

a) Vertical fall

b) Flumed glacis fall

c) Un-flumed glacis fall

d) All of above

Ans.b.

Q.The energy dissipation in an Inglis fall is caused by:

a) A pool of water

b) A hydraulic jumps

c) Neither (a) nor (b)

d) Both (a) and (b)

Ans. d.

Q.Friction blocks on the downstream side of the pacca canal fall, can be used to dissipate the excess energy in the falling water, in case of :

a) A glacis fall

b) A vertical drop fall

c) A baffle fall

d) (a) and (b) both

e) (a) (b) and (c) all

Ans.e.

IV. RIVER TRAINING AND CONTROL

Q.The width within which a river has ranged within historic times is termed as:

a) Meander ratio

b) Limits of oscillation

c) Meander length

d) Meander belt

Ans. b.

Q.The amplitude of swing of a fully developed meander from mid stream to mid stream is called:

a) Meander width

b) Meander length

c) Meander ratio

d) Sub meander

Ans. a.

Q.A bend in a river imposed by external restraint is called:

a) Meander belt

b) A warp

c) Meander width

d) Meander length

Ans. b.

Q.River which cuts its channel through the bed of the valley floor is termed as:

a) A meander river

b) An incised river

c) None of above

Ans. b.

Q.For a meandering alluvial river, the ratio of its channel length to direct axial length is always:

a) 1

b) > 1

c)