The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Detonation

Supercharging

Pre-ignition

Turbulence

Detonation

Supercharging

Pre-ignition

Turbulence

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Internal Combustion Engines
In a four stroke cycle diesel engine, the inlet valve

Opens at 20° before top dead center and closes at 40° after bottom dead center

Opens at 20° after top dead center and closes at 20° before bottom dead center

Opens at top dead center and closes at bottom dead center

May open and close anywhere

Opens at 20° before top dead center and closes at 40° after bottom dead center

Opens at 20° after top dead center and closes at 20° before bottom dead center

Opens at top dead center and closes at bottom dead center

May open and close anywhere

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Internal Combustion Engines
Volatility of diesel fuel oil is

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

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
For the same compression ratio

Diesel cycle is more efficient than Otto

Compression ratio has nothing to do with efficiency

Both Otto and Diesel cycles are, equally efficient

Otto cycle is more efficient than the Diesel

Diesel cycle is more efficient than Otto

Compression ratio has nothing to do with efficiency

Both Otto and Diesel cycles are, equally efficient

Otto cycle is more efficient than the Diesel

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Internal Combustion Engines
Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to

Cylinder walls being too hot

Red hot carbon deposits on cylinder walls

Overheated spark plug points

Any one of the listed here

Cylinder walls being too hot

Red hot carbon deposits on cylinder walls

Overheated spark plug points

Any one of the listed here

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Internal Combustion Engines
The knock in diesel engine occurs due to

Instantaneous auto ignition of last part of charge

Instantaneous and rapid burning of the first part of the charge

Delayed burning of the first part of the charge

Reduction of delay period

Instantaneous auto ignition of last part of charge

Instantaneous and rapid burning of the first part of the charge

Delayed burning of the first part of the charge

Reduction of delay period

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Internal Combustion Engines

Internal Combustion Engines The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve

Internal Combustion Engines Volatility of diesel fuel oil is

Internal Combustion Engines For the same compression ratio

Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to

Internal Combustion Engines The knock in diesel engine occurs due to

Internal Combustion Engines
The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Internal Combustion Engines
In a four stroke cycle diesel engine, the inlet valve

Internal Combustion Engines
Volatility of diesel fuel oil is

Internal Combustion Engines
For the same compression ratio

Internal Combustion Engines
Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to

Internal Combustion Engines
The knock in diesel engine occurs due to