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Internal Combustion Engines

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

Equal to
Less than
None of the listed here
Greater than

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Internal Combustion Engines
The following volume of air is required for consuming 1 liter of fuel by a four stroke engine

1 m3
5 m3
56 m3
910 m3

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Internal Combustion Engines
The pressure at the end of compression in the case of diesel engine is of the order of

35 kg/cm
12 kg/cm
20 kg/cm
6 kg/cm

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Internal Combustion Engines
The maximum propulsive efficiency of a turbojet engine is at a speed of

1000 km/h
2400 km/h
2000 km/h
3000 km/h

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Internal Combustion Engines
In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.

Above
Equal to
Below
None of these

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Internal Combustion Engines
If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is

2V₀ / (V₀ + V₁)
V₀ / (V₀ + V₁)
2V₁ / (V₀ + V₁)
V₁ / (V₀ + V₁)

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