Crankcase explosion in I.C. engines usually occurs as

Internal Combustion Engines
Crankcase explosion in I.C. engines usually occurs as

Both mild and big explosions occurs simultaneously

First a mild explosion followed by a bi explosion

First a big explosion followed by a mil explosion

Never occurs

Both mild and big explosions occurs simultaneously

First a mild explosion followed by a bi explosion

First a big explosion followed by a mil explosion

Never occurs

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Internal Combustion Engines
The knocking tendency in spark ignition engines may be decreased by

Controlling the exhaust temperature

Controlling the ignition timing

Reducing the compression ratio

Controlling the air-fuel mixture

Controlling the exhaust temperature

Controlling the ignition timing

Reducing the compression ratio

Controlling the air-fuel mixture

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Internal Combustion Engines
The _________ engines can work on very lean mixture of fuel.

None of these

Compression ignition

Spark ignition

Both (A) and (B)

None of these

Compression ignition

Spark ignition

Both (A) and (B)

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Internal Combustion Engines
The volumetric efficiency of a well designed engine may be

30 to 40%

75 to 90%

40 to 60%

60 to 70%

30 to 40%

75 to 90%

40 to 60%

60 to 70%

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Internal Combustion Engines
Volatility of diesel fuel oil is

Temperature at which it solidifies or congeals

It catches fire without external aid

Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

Indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off

Temperature at which it solidifies or congeals

It catches fire without external aid

Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

Indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off

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Internal Combustion Engines
Which of the following does not relate to a compression ignition engine?

Governor

Fuel pump

Carburettor

Fuel injector

Governor

Fuel pump

Carburettor

Fuel injector

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Internal Combustion Engines

Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as

Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by

Internal Combustion Engines The _________ engines can work on very lean mixture of fuel.

Internal Combustion Engines The volumetric efficiency of a well designed engine may be

Internal Combustion Engines Volatility of diesel fuel oil is

Internal Combustion Engines Which of the following does not relate to a compression ignition engine?

Internal Combustion Engines
Crankcase explosion in I.C. engines usually occurs as

Internal Combustion Engines
The knocking tendency in spark ignition engines may be decreased by

Internal Combustion Engines
The _________ engines can work on very lean mixture of fuel.

Internal Combustion Engines
The volumetric efficiency of a well designed engine may be

Internal Combustion Engines
Volatility of diesel fuel oil is

Internal Combustion Engines
Which of the following does not relate to a compression ignition engine?