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Internal Combustion Engines

Internal Combustion Engines
The term scavenging is generally associated with

4-stroke cycle engines
Aeroplane engines
2-stroke cycle engines
High efficiency engines

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Internal Combustion Engines
Which of the following is false statement?

Formation of hard coating on piston skirts
Detonation
Oil sludge in the engine crank case
Piston ring and cylinder wear

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Internal Combustion Engines
Scavenging is usually done to increase

Fuel consumption
Power output
Speed
Thermal efficiency

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Internal Combustion Engines
The inlet value of a four stroke cycle I.C engine remains open for nearly

200°
125°
235°
180°

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Internal Combustion Engines
In petrol engines, the delay period is of the order of

0.002 second
0.003 second
0.001 second
0.004 second

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Internal Combustion Engines
Thermal efficiency of a two stroke cycle engine is ___ a four stroke cycle engine.

Equal to
None of the listed here
Greater than
Less than

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