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Internal Combustion Engines

Internal Combustion Engines
The pressure at the end of compression, in petrol engines, is approximately

35 bar
10 bar
25 bar
20 bar

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Internal Combustion Engines
A supercharged engine as compared to an ordinary engine

Is lighter
Consumes less lubricating oil
Requires smaller foundation
All of these

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Internal Combustion Engines
When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

Centre of buoyancy
Centre of pressure
Centre of gravity
Metacentre

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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

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

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Internal Combustion Engines
A spark plug gap is kept from

0.2 to 0.8 mm
0.6 to 1.0 mm
0.3 to 0.7 mm
0.4 to 0.9 mm

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Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.50069444444444
0.62569444444444
0.25069444444444
0.37569444444444

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MORE MCQ ON Internal Combustion Engines

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