Scavenging air in diesel engine means

Internal Combustion Engines
Scavenging air in diesel engine means

Burnt air containing products of combustion

Forced air for cooling cylinder

Air used for combustion sent under pressure

Air used for forcing burnt gases out of engine's cylinder during the exhaust period

Burnt air containing products of combustion

Forced air for cooling cylinder

Air used for combustion sent under pressure

Air used for forcing burnt gases out of engine's cylinder during the exhaust period

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Internal Combustion Engines
In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency.

None of these

Not effected

Increase

Decrease

None of these

Not effected

Increase

Decrease

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Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Very high

High

Very low

Low

Very high

High

Very low

Low

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Internal Combustion Engines
Which of the following medium is compressed in a Diesel engine cylinder?

Air alone

Air and lub oil

Air and fuel

Fuel alone

Air alone

Air and lub oil

Air and fuel

Fuel alone

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Internal Combustion Engines
Pour point of fuel oil is the

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

It catches fire without external aid

Temperature at which it solidifies or congeals

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

It catches fire without external aid

Temperature at which it solidifies or congeals

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Internal Combustion Engines
The output of a diesel engine can be increased without increasing the engine revolution or size in following way

Supercharging

Scavenging

Feeding more fuel

Heating incoming air

Supercharging

Scavenging

Feeding more fuel

Heating incoming air

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Internal Combustion Engines

Internal Combustion Engines Scavenging air in diesel engine means

Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency.

Internal Combustion Engines The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Internal Combustion Engines Which of the following medium is compressed in a Diesel engine cylinder?

Internal Combustion Engines Pour point of fuel oil is the

Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way

Internal Combustion Engines
Scavenging air in diesel engine means

Internal Combustion Engines
In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency.

Internal Combustion Engines
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.

Internal Combustion Engines
Which of the following medium is compressed in a Diesel engine cylinder?

Internal Combustion Engines
Pour point of fuel oil is the

Internal Combustion Engines
The output of a diesel engine can be increased without increasing the engine revolution or size in following way