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Internal Combustion Engines

Internal Combustion Engines
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of

2000°C
500°C
250°C
1000°C

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Internal Combustion Engines
Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows

Avoidance of overloading
Adherence to proper fuel specification
Using additives in the fuel
Increasing the compression ratio

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Internal Combustion Engines
The minimum cranking speed in case of petrol engine is about

Half the operating speed
250 - 300 rpm
60 - 80 rpm
One fourth of operating speed

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Internal Combustion Engines
If the temperature of intake air in internal combustion engine increases, then its efficiency will

Decrease
Increase
Remain same
None of the listed here

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Internal Combustion Engines
A 5 BHP engine running at full load would consume diesel of the order of

5 kg/hr
0.3 kg/hr
3 kg/hr
1 kg/hr

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Internal Combustion Engines
The colour of exhaust from diesel engine is generally

White
Violet
Black
Bluish

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