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Find out the wrong number in the series.

Q1: 15, 16, 34, 105, 424, 2124, 12756

A 16

B 34

C 105

D 424

E 2124

Directions to Solve

Find the correctly spelt words.

Q2: (solve as per the direction given above)

A Pattren

B Bannar

C Simpal

D Modern

Q3: The operation of forcing additional air under pressure into the engine cylinder is known as

A carburation

B supercharging

C turbulence

D delay period

Q4: The cylinder of a gas engine is made __________ than that of the petrol engine.

A larger

B smaller

Q5: The thermal efficiency of a petrol engine is __________ as compared to diesel engine.

A same

B less

C more

Q6: The compression ignition engines are governed by

A hit and miss governing

B qualitative governing

C quantitative governing

D combination of (b) and (c)

Q7: The delay period in oil engines increases with increase in the speed of engine.

A Agree

B Disagree

Q8: The specific fuel consumption per B.P. hour for a diesel engine is about

A 0.35 kg

B 0.2 kg

C 0.25 kg

D 0.3 kg

Q9: The ignition quality of diesel oil is expressed by

A octane number

B none of these

C cetane number

D calorific value

Q10: In a four stroke cycle petrol engine, the expansion

A may start and end anywhere

B starts at 30° before top dead centre and ends at 50° before bottom dead centre

C starts at 30° after top dead centre and ends at 50° after bottom dead centre

D starts at top dead centre and ends at bottom dead centre