The thermal efficiency of diesel engines is about

Internal Combustion Engines
The thermal efficiency of diesel engines is about

0.7

0.3

0.5

0.15

0.7

0.3

0.5

0.15

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Internal Combustion Engines
The basic requirement of a good combustion chamber is

High thermal efficiency and power output

Low compression ratio

Low volumetric efficiency

Minimum turbulence

High thermal efficiency and power output

Low compression ratio

Low volumetric efficiency

Minimum turbulence

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Internal Combustion Engines
The normal heptane (C₇H₁₆) is given a rating of ________ octane number.

100

0

120

50

100

0

120

50

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Internal Combustion Engines
Flash point of fuel oil is

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

Temperature at which it catches fire without external aid

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Internal Combustion Engines
A hydraulic ram is a device used to

Increase the pressure of water

To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

To lift water from deep wells

Store the energy of water

Increase the pressure of water

To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

To lift water from deep wells

Store the energy of water

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Internal Combustion Engines
In compression ignition engines, swirl denotes a

Rotary motion of the gases in the chamber

Radial motion of the gases in the chamber

None of the listed here

Haphazard motion of the gases in the chamber

Rotary motion of the gases in the chamber

Radial motion of the gases in the chamber

None of the listed here

Haphazard motion of the gases in the chamber

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Internal Combustion Engines

Internal Combustion Engines The thermal efficiency of diesel engines is about

Internal Combustion Engines The basic requirement of a good combustion chamber is

Internal Combustion Engines The normal heptane (C₇H₁₆) is given a rating of ________ octane number.

Internal Combustion Engines Flash point of fuel oil is

Internal Combustion Engines A hydraulic ram is a device used to

Internal Combustion Engines In compression ignition engines, swirl denotes a

Internal Combustion Engines
The thermal efficiency of diesel engines is about

Internal Combustion Engines
The basic requirement of a good combustion chamber is

Internal Combustion Engines
The normal heptane (C₇H₁₆) is given a rating of ________ octane number.

Internal Combustion Engines
Flash point of fuel oil is

Internal Combustion Engines
A hydraulic ram is a device used to

Internal Combustion Engines
In compression ignition engines, swirl denotes a