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Internal Combustion Engines

Internal Combustion Engines
Diesel as compared to petrol is

Less difficult to ignite
None of these
Highly ignitable
More difficult to ignite

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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

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

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Internal Combustion Engines
In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed.

Carburettor
None of the listed here
Injector
Fuel pump

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Internal Combustion Engines
A petrol engine has compression ratio from

10 to 15
15 to 25
6 to 10
25 to 40

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Internal Combustion Engines
The fuel in diesel engine is normally injected at pressure of

5-10 kg/cm²
90-130 kg/cm²
60-80 kg/cm²
20-25 kg/cm²

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Internal Combustion Engines
The size of inlet valve of an engine in comparison to exhaust valve is

Less
More/less depending on capacity of engine
Same
More

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MORE MCQ ON Internal Combustion Engines

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