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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

1000°C
250°C
500°C
2000°C

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Internal Combustion Engines
The knocking in spark ignition engines can be reduced by

Increasing the engine speed
Retarding the spark
Both (A) and (B)
None of these

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Internal Combustion Engines
Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.

Equal to
Twice
One-half
Four-times

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

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

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Internal Combustion Engines
The process of breaking up or a liquid into fine droplets by spraying is called

Vaporisation
Carburetion
Atomization
Ionization

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Internal Combustion Engines
A carburettor is used to supply

Petrol, air and lubricating oil
Petrol and air
Petrol and lubricating oil
Air and diesel

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