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

Ensure that penetration is not high

All of these

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

Inject fuel at a high velocity to facilitate atomization

Ensure that penetration is not high

All of these

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

Inject fuel at a high velocity to facilitate atomization

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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

Increase

May increase or decrease depending on other factors

Be independent

Decrease

Increase

May increase or decrease depending on other factors

Be independent

Decrease

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Internal Combustion Engines
The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is

Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine

Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine

Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine

Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine

Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine

Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine

Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine

Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine

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Internal Combustion Engines
In a diesel engine, the duration between the time of injection and ignition, is known as

Period of ignition

Pre-ignition period

Delay period

Burning period

Period of ignition

Pre-ignition period

Delay period

Burning period

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Internal Combustion Engines
The ignition of the charge by some hot surface within the engine before the passage of spark is called

Detonation

Auto-ignition

Pre-ignition

Ignition delay

Detonation

Auto-ignition

Pre-ignition

Ignition delay

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Internal Combustion Engines
Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.

Four-times

Twice

One-half

Equal to

Four-times

Twice

One-half

Equal to

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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 correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is

Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as

Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called

Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.

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 correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is

Internal Combustion Engines
In a diesel engine, the duration between the time of injection and ignition, is known as

Internal Combustion Engines
The ignition of the charge by some hot surface within the engine before the passage of spark is called

Internal Combustion Engines
Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.