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TVS Electronics psg cbe 2003

Technical:30qns 15 mins

1) Boyles law for perfect gas2) Absolute zero pressure will occur at a: sea level b: centre of earth c: when

molecular momentum of the system becomes zero d: under vaccum e: -273 K

3) Boyles law i.e. PV=Constant is applicable to gases undera) all ranges of pressure

b) small ranges

c) high rangesd) steady ranges

e) atmospheric conditions

4) internal energy of a system is a function of

5) diesel when compared to petrol,a) less difficult to ignite

b) just about the same to ignite

c) highly ignitable

d) none6) in diesel engine, compression ratio in comparison to expansion ratio is

same, less, more, variable, depends on engine capacity7) flash point of fuel oil is

8) function of piston rod in IC Engine is to

9) The function of a condenser in thermal power plant is10) What is choking in compressor

11) Jet engine works in the principle of conservation of : mass, energy, flow, liner

momentum, angular momentum

12) The domestic refrigerator uses following type of compressor13) Ammonia: non toxic, non flammable, toxic and non flammable, highly toxic and

inflammable14) Poise is the unit of15) Liquids transmit pressure equally in all directions. This is according to: boyles,

archemedis, pascal, newtons, Chezys eqn.

16) Piezometer is used to measure17) The centre of gravity of a triangle lies at the point of: concurrence of medians,

intersection of altitudes, intersection of bisector of angles, intersection of

diagonals, all the above

18) A ball is thrown up. The sum of kinetic and potential energies will be maximumat

19) Atmosphere of earth is retained due to: gravitational pull of earth, outer molecular

attraction forces on the molecule, due to cohesion, adhesion, osmosis, etc..,spherical shape of earth, mean speed of molecules being much less than that of

the escape velocity.

20) Hookes law21) In an ideal machine, the output as compared to input is

22) Creep in belt drive is due to: material of pulley, material of belt, larger size of

pulley, uneven extensions and contractions due to varying tension, expansion of

belt.

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23) Horse power transmitted by belt is dependent on

24) Melting point of iron is

25) Cupola produces following material26) Brass contains

APTITUDE TEST: 30qns 15 mins

1) if n and p are both odd numbers, which opf the following nos must b an even no.

a) n+p b) np c) np+2 d) n+p+1 e) 2n + p2) if 2x+y=5 then 4x+2y=?

3) if X+y=6 and 3x-y=4 then x-y=?

4) a/b=c and b=c then b=?

5) how many cents are there in 2x=1 dimes6) the Japanese ken is equivalent to 5.97 ft. how many feet r there in 59.7 ken

7) if x