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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

2000°C
500°C
1000°C
250°C

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Internal Combustion Engines
Fuel oil consumption guarantees for I .C. engine are usually based on

Net calorific value of oil
Low heat value of oil
Calorific value of fuel
High heat value of oil

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Internal Combustion Engines
An hmh flame speed is obtained in diesel engine when air fuel ratio is

About 10% of rich mixture
Uniform throughout the mixture
About 35% of rich mixture
Chemically correct mixture

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Internal Combustion Engines
Supercharging is essential in

Gas turbines
Petrol engines
Aircraft engines
Diesel engines

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Internal Combustion Engines
The accumulation of carbon in a cylinder results in increase of

Ignition time
Clearance volume
Volumetric efficiency
Effective compression ratio

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Internal Combustion Engines
In order to eliminate knocking in compression ignition engines, there should be

Low compression ratio
High self ignition temperature of fuel
Short delay period
Late auto-ignition

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MORE MCQ ON Internal Combustion Engines

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