The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

Internal Combustion Engines
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

Inject fuel at a high velocity to facilitate atomization

All of these

Inject fuel in a chamber of high pressure at the end of compression stroke

Ensure that penetration is not high

Inject fuel at a high velocity to facilitate atomization

All of these

Inject fuel in a chamber of high pressure at the end of compression stroke

Ensure that penetration is not high

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Internal Combustion Engines
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will

Be independent

Increase

Decrease

May increase or decrease depending on other factors

Be independent

Increase

Decrease

May increase or decrease depending on other factors

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Internal Combustion Engines
The air-fuel ratio in petrol engines is controlled by

Injection

Governing

Carburetion

Controlling valve opening/closing

Injection

Governing

Carburetion

Controlling valve opening/closing

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

Controlling the air-fuel mixture

Controlling the ignition timing

Reducing the compression ratio

Controlling the exhaust temperature

Controlling the air-fuel mixture

Controlling the ignition timing

Reducing the compression ratio

Controlling the exhaust temperature

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Internal Combustion Engines
The object of supercharging the engine is

All of these

To reduce space occupied by the engine

To reduce mass of the engine per brake power

To increase the power output of an engine when greater power is required

All of these

To reduce space occupied by the engine

To reduce mass of the engine per brake power

To increase the power output of an engine when greater power is required

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Internal Combustion Engines
In loop scavenging, the top of the piston is

Slanted

Depressed

Flat

Contoured

Slanted

Depressed

Flat

Contoured

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Internal Combustion Engines

Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will

Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by

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

Internal Combustion Engines The object of supercharging the engine is

Internal Combustion Engines In loop scavenging, the top of the piston is

Internal Combustion Engines
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

Internal Combustion Engines
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will

Internal Combustion Engines
The air-fuel ratio in petrol engines is controlled by

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

Internal Combustion Engines
The object of supercharging the engine is

Internal Combustion Engines
In loop scavenging, the top of the piston is