If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have

Internal Combustion Engines
If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have

None of these

Dynamic similarity

Geometric similarity

Kinematic similarity

None of these

Dynamic similarity

Geometric similarity

Kinematic similarity

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Internal Combustion Engines
A diesel engine as compared to petrol engine (both running and rated load) is

Equally efficient

More efficient

Less efficient

Other factors will decide it

Equally efficient

More efficient

Less efficient

Other factors will decide it

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

Reducing the compression ratio

Controlling the exhaust temperature

Controlling the ignition timing

Controlling the air-fuel mixture

Reducing the compression ratio

Controlling the exhaust temperature

Controlling the ignition timing

Controlling the air-fuel mixture

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Internal Combustion Engines
Volatility of diesel fuel oil is

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

It catches fire without external aid

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

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

It catches fire without external aid

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

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Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

0.25069444444444

0.50069444444444

0.37569444444444

0.62569444444444

0.25069444444444

0.50069444444444

0.37569444444444

0.62569444444444

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Internal Combustion Engines
The increase in intake temperature of internal combustion engines will ___ efficiency.

Increase

Decrease

Have no effect on

None of the listed here

Increase

Decrease

Have no effect on

None of the listed here

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Internal Combustion Engines

Internal Combustion Engines If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have

Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is

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

Internal Combustion Engines Volatility of diesel fuel oil is

Internal Combustion Engines The theoretically correct air fuel ratio for petrol engine is of the order of

Internal Combustion Engines The increase in intake temperature of internal combustion engines will ___ efficiency.

Internal Combustion Engines
If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have

Internal Combustion Engines
A diesel engine as compared to petrol engine (both running and rated load) is

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

Internal Combustion Engines
Volatility of diesel fuel oil is

Internal Combustion Engines
The theoretically correct air fuel ratio for petrol engine is of the order of

Internal Combustion Engines
The increase in intake temperature of internal combustion engines will ___ efficiency.