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Internal Combustion Engines

Internal Combustion Engines
An engine indicator is used to determine the following

Volume of cylinder
m.e.p. and I.H.P.
Temperature
Speed

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Internal Combustion Engines
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

0.75069444444444
0.62569444444444
0.50069444444444
0.37569444444444

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Internal Combustion Engines
Most high speed compression engines operate on

Special type of air cycle
Dual combustion cycle
Diesel cycle
Otto cycle

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Internal Combustion Engines
The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be

0.25
0.5
0.7
1

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Internal Combustion Engines
The advancing of spark timing in spark ignition engines will ___ knocking tendency.

None of the listed here
Increase
Not effect
Reduce

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Internal Combustion Engines
In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have

Low density
Low temperature
Long ignition delay
All of these

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MORE MCQ ON Internal Combustion Engines

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