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Internal Combustion Engines

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

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

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Internal Combustion Engines
A diesel engine, during suction stroke, draws

A mixture of diesel and air
Air only
None of these
Diesel only

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

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Internal Combustion Engines
A stoichiometric air-fuel ratio is

Rich mixture for idling
Rich mixture for over loads
Chemically correct mixture
Lean mixture

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Internal Combustion Engines
Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following

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Internal Combustion Engines
In case of gas turbines, the gaseous fuel consumption guarantees are based on

High heat value
Net calorific value
Calorific value
Low heat value

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