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Internal Combustion Engines

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
1 kg/hr
3 kg/hr

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Internal Combustion Engines
The air-fuel ratio in petrol engines is controlled by

Carburetion
Controlling valve opening/closing
Governing
Injection

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Internal Combustion Engines
The fuels in order of decreasing knock tendency for spark ignition engines are

Paraffin, aromatic, napthene
Napthene, paraffin, aromatic
Napthene, aromatics, paraffin
Paraffin, napthene, aromatic

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Internal Combustion Engines
The probability of knocking in diesel engines is increased by

Low volatility
All of these
High self ignition temperature
Higher viscosity

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Internal Combustion Engines
The air standard efficiency of an I.C. engine depends on

Compression ratio
Speed of engine
None of these
Fuel used

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Internal Combustion Engines
In a diesel engine, the duration between the time of injection and ignition, is known as

Delay period
Pre-ignition period
Period of ignition
Burning period

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MORE MCQ ON Internal Combustion Engines

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