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Internal Combustion Engines

Internal Combustion Engines
In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of

250°C
500°C
2000°C
1000°C

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Internal Combustion Engines
Which of the following fuel detonates readily?

Normal heptane
Benzene
Iso-octane
Alcohol

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

Net calorific value
High heat value
Low heat value
Calorific value

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Internal Combustion Engines
The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of

Motoring test
Prony brake test
Morse test
Heat balance test

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Internal Combustion Engines
The scavenging efficiency of a four stroke cycle diesel engine is

Below 50%
Between 50 and 85%
Between 85 and 95%
Between 95 and 100%

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Internal Combustion Engines
Which of the following is false statement?Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following

Piston ring and cylinder wear
Detonation
Oil sludge in the engine crank case
Formation of hard coating on piston skirts

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