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Directions to Solve

Find the correctly spelt words.

Q1: (solve as per the direction given above)

A Comitte

B Comiittee

C Commitee

D Committee

Q2: The ignition quality of petrol is expressed by

A cetane number

B octane number

C all of these

D calorific value

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

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

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

C may open and close anywhere

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

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

A increase

B not effect

C decrease

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

A enhanced by decreasing compression ratio

B enhanced by increasing compression ratio

C dependent on other factors

D none of the above

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

A expansion, compression, suction and exhaust

B compression, expansion, suction and exhaust

C suction, expansion, compression and exhaust

D suction, compression, expansion and exhaust

Q7: Diesel as compared to petrol is

A none of these

B highly ignitable

C less difficult to ignite

D more difficult to ignite

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

A Kota

B none of these

C Tarapur

D Bareilly

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

A all of these

B high self ignition temperature

C higher viscosity

D low volatility

Q10: A diesel engine, during suction stroke, draws

A diesel only

B air only

C a mixture of diesel and air