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Internal Combustion Engines

Internal Combustion Engines
Diesel as compared to petrol is

Less difficult to ignite
None of these
More difficult to ignite
Highly ignitable

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Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.50069444444444
0.62569444444444
0.37569444444444
0.25069444444444

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Internal Combustion Engines
The cetane number of diesel oil, generally available, is

30 to 40
40 to 55
25 to 30
20 to 25

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Internal Combustion Engines
The knock in diesel engine occurs due to

Instantaneous and rapid burning of the first part of the charge
Reduction of delay period
Instantaneous auto ignition of last part of charge
Delayed burning of the first part of the charge

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Internal Combustion Engines
A diesel engine is ___ as compared to petrol engine, both running at rated load.

More efficient
Less efficient
None of the listed here
Equally efficient

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Internal Combustion Engines
The specific fuel consumption per B.P. hour for a diesel engine is about

0.3 kg
0.25 kg
0.35 kg
0.2 kg

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MORE MCQ ON Internal Combustion Engines

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