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Internal Combustion Engines

Internal Combustion Engines
Which is more viscous lube oil?

SAE 70
SEA 30
SAE 80
SAE 50

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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)
2V₀ / (V₀ + V₁)
V₁ / (V₀ + V₁)

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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 gravity
Centre of pressure
Centre of buoyancy
Metacentre

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Internal Combustion Engines
A diesel engine as compared to petrol engine (both running and rated load) is

More efficient
Equally efficient
Other factors will decide it
Less efficient

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Internal Combustion Engines
For the same power developed in I.C. engines, the cheaper system is

Turbo charger
Supercharged
Naturally aspirated
Centrifugal pump

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Internal Combustion Engines
The function of a distributor in a coil ignition system of I.C. engines is

To distribute current
To distribute power
To distribute spark
To time the spark

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MORE MCQ ON Internal Combustion Engines

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