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Internal Combustion Engines

Internal Combustion Engines
The air-fuel ratio of the petrol engine is controlled by

Injector
Fuel pump
Carburettor
Governor

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Internal Combustion Engines
The inlet valve of a four stroke cycle internal combustion engine remains open for

130°
180°
230°
270°

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Internal Combustion Engines
The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be

Higher
None of the listed here
Remain unaffected
Lower

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Internal Combustion Engines
The fuel in diesel engine is normally injected at pressure of

5-10 kg/cm²
90-130 kg/cm²
20-25 kg/cm²
60-80 kg/cm²

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Internal Combustion Engines
The pressure and temperature at the end of compression stroke in a petrol engine are of the order of

20-30 kg/cm² and 450-500°C
6-12 kg/cm² and 250-350°C
4-6 kg/cm² and 200-250°C
12-20 kg/cm² and 350-450°C

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Internal Combustion Engines
A diesel engine has

3 valves
4 valves
2 valves
1 valve

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MORE MCQ ON Internal Combustion Engines

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