1.
The minimum cranking speed in case of petrol engine is about

2.
If the compression ratio in I.C. engine increases, then its thermal efficiency will

3.
Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to

4.
In a cycle, the spark lasts roughly for

5.
A 5 BHP engine running at full load would consume diesel of the order of

6.
The ignition quality of diesel oil is expressed by

7.
The ignition quality of petrol is expressed by

8.
The specific fuel consumption per B.P. hour for a diesel engine is about

9.
Which of the following statements is correct?

10.
The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called

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