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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Comitte

B Committee

C Comiittee

D Commitee

Q2: The ignition quality of petrol is expressed by

A all of these

B octane number

C calorific value

D cetane number

Q3: The fuel valve in a four stroke cycle diesel engine

A may open and close anywhere

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

C opens at 15° after top dead centre and closes at 20° before bottom dead centre

D opens at 15° before top dead centre and closes at 20° after top dead centre

Q4: In petrol engines, advancing of the spark timing will __________ the knocking tendency.

A increase

B decrease

C not effect

Q5: The knocking tendency in compression ignition engines for a given fuel will be

A enhanced by increasing compression ratio

B dependent on other factors

C none of the above

D enhanced by decreasing compression ratio

Q6: In a four stroke cycle engine, the sequence of operations is

A expansion, compression, suction and exhaust

B suction, compression, expansion and exhaust

C compression, expansion, suction and exhaust

D suction, expansion, compression and exhaust

Q7: Diesel as compared to petrol is

A none of these

B less difficult to ignite

C more difficult to ignite

D highly ignitable

Q8: The first nuclear power plant in India was located at

A none of these

B Tarapur

C Kota

D Bareilly

Q9: The probability of knocking in diesel engines is increased by

A low volatility

B high self ignition temperature

C all of these

D higher viscosity

Q10: A diesel engine, during suction stroke, draws

A air only

B diesel only

C a mixture of diesel and air