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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Schedule

B Schedulle

C Schdule

D Schedeule

Q2: High speed compression engines operate on

A Diesel cycle

B Otto cycle

C Dual-combustion cycle

D all of these

Q3: In a four stroke cycle petrol engine, the inlet valve

A opens at 20° before top dead centre and closes at 40° after bottom dead centre

B opens at top dead centre and closes at bottom dead centre

C opens at 20° after top dead centre and closes at 20° before bottom dead centre id) may open or close anywhere

Q4: The nuclear power station at Tarapur has the reactor of the __________ type.

A boiling water

B pressurized water

C gas cooled

D liquid metal cooled

Q5: In nuclear power plants, due to reflector, less fuel is needed to generate sufficient neutrons to sustain a chain reaction.

A Yes

B No

Q6: The secondary fuel used in nuclear power plants is

A U235 and Th232

B U235 and Pu238

C U233 and Pu238

D U233 and Pu239

Q7: If V1 is the jet velocity and V0 is the vehicle velocity, then propulsive efficiency of a turbo-jet engine is

A

B

C

D

Q8: Theoretically, a four stroke cycle engine should develop __________ power as that of a two stroke cycle engine.

A half

B double

C same

D four times

Q9: Light weight substances can not be effective moderators.

A False

B True

Q10: The higher combustion chamber wall temperature in compression ignition engines will __________ knocking tendency.

A not effect

B reduce

C increase