The mechanical efficiency (Î·m) of the engine is given by

Internal Combustion Engines
The mechanical efficiency (Î·m) of the engine is given by

Î·m = I.P/B.P

Î·m = B.P/I.P

Î·m = (B.P Ã— I.P)/100

None of these

Î·m = I.P/B.P

Î·m = B.P/I.P

Î·m = (B.P Ã— I.P)/100

None of these

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Internal Combustion Engines
The increase of efficiency of a compression ignition engine, as the load decreases, is due to

Quantitative governing

Higher maximum temperature

Qualitative governing

Hit and miss governing

Quantitative governing

Higher maximum temperature

Qualitative governing

Hit and miss governing

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Internal Combustion Engines
The mechanical efficiency (ηm) of the engine is given by

None of the listed here

ηm = (B.P × I.P)/100

ηm = B.P/I.P

ηm = I.P/B.P

None of the listed here

ηm = (B.P × I.P)/100

ηm = B.P/I.P

ηm = I.P/B.P

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Internal Combustion Engines
Pour point of fuel oil is the

Temperature at which it solidifies or congeals

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

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

It catches fire without external aid

Temperature at which it solidifies or congeals

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

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

It catches fire without external aid

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Internal Combustion Engines
The magneto in an automobile is basically

Capacitor

Transformer

Magnetic circuit

D.C. generator

Capacitor

Transformer

Magnetic circuit

D.C. generator

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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

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

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Internal Combustion Engines

Internal Combustion Engines The mechanical efficiency (Î·m) of the engine is given by

Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to

Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by

Internal Combustion Engines Pour point of fuel oil is the

Internal Combustion Engines The magneto in an automobile is basically

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 mechanical efficiency (Î·m) of the engine is given by

Internal Combustion Engines
The increase of efficiency of a compression ignition engine, as the load decreases, is due to

Internal Combustion Engines
The mechanical efficiency (ηm) of the engine is given by

Internal Combustion Engines
Pour point of fuel oil is the

Internal Combustion Engines
The magneto in an automobile is basically

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