Flash point of fuel oil is

Internal Combustion Engines
Flash point of fuel oil is

Temperature at which it catches fire without external aid

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

Temperature at which it solidifies or congeals

Temperature at which it catches fire without external aid

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

Temperature at which it solidifies or congeals

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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

Decrease

Be independent

May increase or decrease depending on other factors

Increase

Decrease

Be independent

May increase or decrease depending on other factors

Increase

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Internal Combustion Engines
As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

Increase maximum pressure and maximum temperature

Decrease maximum pressure and increase maximum temperature

Reduce maximum pressure and maximum temperature

Increase maximum pressure and decrease maximum temperature

Increase maximum pressure and maximum temperature

Decrease maximum pressure and increase maximum temperature

Reduce maximum pressure and maximum temperature

Increase maximum pressure and decrease maximum temperature

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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

Overheated spark plug points

Any one of the listed here

Red hot carbon deposits on cylinder walls

Cylinder walls being too hot

Overheated spark plug points

Any one of the listed here

Red hot carbon deposits on cylinder walls

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Internal Combustion Engines
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

0.75069444444444

0.50069444444444

0.62569444444444

0.37569444444444

0.75069444444444

0.50069444444444

0.62569444444444

0.37569444444444

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Internal Combustion Engines
Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided

Flywheel size is proper

Best quality fuel is used

Cannot work as it is impossible

It is properly designed

Flywheel size is proper

Best quality fuel is used

Cannot work as it is impossible

It is properly designed

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Internal Combustion Engines

Internal Combustion Engines Flash point of fuel oil is

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

Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

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 For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided

Internal Combustion Engines
Flash point of fuel oil is

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

Internal Combustion Engines
As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

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
For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of

Internal Combustion Engines
Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided