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Engineering
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ME Set-3
IC Engines
60

IC Engines MCQ with Answers

60) The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is

same

more

less

less or more depending on operating conditions

Answer is:

more

IC Engines MCQ with Answers

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61) A diesel engine as compared to petrol engine (both running ar rated load) is

more efficient

less efficient

equally efficient

unperdictable

Answer is:

more efficient

62) The size of inlet valve of.an engine in comparison to exhaust valve is

more

less

same

more/less depending on capacity of engine

Answer is:

less

63) In a cycle, the spark lasts roughly for

1 sec

0.1 sec

0.01 sec

0.001 sec

Answer is:

0.001 sec

64) Which of the following is false statement :Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following

piston ring and cylinder wear

formation of hard coating on piston skirts

oil sludge in the engine crank case

detonation

Answer is:

detonation

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