A mixture containing 65% of iso-octane and 35% of normal heptane will have

Internal Combustion Engines
A mixture containing 65% of iso-octane and 35% of normal heptane will have

Cetane number 35

Octane number 65

Cetane number 65

Octane number 35

Cetane number 35

Octane number 65

Cetane number 65

Octane number 35

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

All of these

Inject fuel at a high velocity to facilitate atomization

Ensure that penetration is not high

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

All of these

Inject fuel at a high velocity to facilitate atomization

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Internal Combustion Engines
The calorific value of gaseous fuels is expressed in terms of

kcal/m3

kcal/mÂ²

kcal/kg

kcal

kcal/m3

kcal/mÂ²

kcal/kg

kcal

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Internal Combustion Engines
In a cycle, the spark lasts roughly for

1 sec

0.1 sec

0.001 sec

0.01 sec

1 sec

0.1 sec

0.001 sec

0.01 sec

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Internal Combustion Engines
Volatility of diesel fuel oil is

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

Temperature at which it solidifies or congeals

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

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Internal Combustion Engines
In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a

Fuel pump

Spark plug

Fuel injector

None of these

Fuel pump

Spark plug

Fuel injector

None of these

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Internal Combustion Engines

Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have

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 calorific value of gaseous fuels is expressed in terms of

Internal Combustion Engines In a cycle, the spark lasts roughly for

Internal Combustion Engines Volatility of diesel fuel oil is

Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a

Internal Combustion Engines
A mixture containing 65% of iso-octane and 35% of normal heptane will have

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 calorific value of gaseous fuels is expressed in terms of

Internal Combustion Engines
In a cycle, the spark lasts roughly for

Internal Combustion Engines
Volatility of diesel fuel oil is

Internal Combustion Engines
In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a