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Internal Combustion Engines

Internal Combustion Engines
Installation of supercharger on a four cycle diesel engine can result in the following percentage increase in power

Up to 75%
Up to 50%
Up to 100%
Up to 35%

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Internal Combustion Engines
A diesel engine has

2 valves
4 valves
1 valve
3 valves

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Internal Combustion Engines
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of

Heat balance test
Motoring test
Morse test
Prony brake test

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Internal Combustion Engines
If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the

Piston rings would stick into piston grooves
Engine starts overheating
Exhaust will be smoky
Scavenging occurs

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Internal Combustion Engines
A mixture containing 65% of iso-octane and 35% of normal heptane will have

Octane number 35
Octane number 65
Cetane number 35
Cetane number 65

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Internal Combustion Engines
Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided

Cannot work as it is impossible
It is properly designed
Flywheel size is proper
Best quality fuel is used

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MORE MCQ ON Internal Combustion Engines

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