The efficiency of Diesel cycle with decrease in cut-off

Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

First decreases and then increases

Decreases

First increases and then decreases

Increases

First decreases and then increases

Decreases

First increases and then decreases

Increases

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Engineering Thermodynamics
The variables which control the physical properties of a perfect gas are

Temperature of the gas

All of these

Volume occupied by the gas

Pressure exerted by the gas

Temperature of the gas

All of these

Volume occupied by the gas

Pressure exerted by the gas

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Engineering Thermodynamics
Reversed Joule cycle is known as

Carnot cycle

Rankine cycle

Stirling cycle

Bell-Coleman cycle

Carnot cycle

Rankine cycle

Stirling cycle

Bell-Coleman cycle

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Engineering Thermodynamics
According to Kelvin-Planck’s statement of second law of thermodynamics,

It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

None of these

It is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

It is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body

It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

None of these

It is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

It is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle

Reversed Brayton cycle

Joule cycle

Carnot cycle

Brayton cycle

Reversed Brayton cycle

Joule cycle

Carnot cycle

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Engineering Thermodynamics
In a steady flow process, the ratio of

Mass flow at inlet and outlet is same

All of these

Heat transfer is constant

Work transfer is constant

Mass flow at inlet and outlet is same

All of these

Heat transfer is constant

Work transfer is constant

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Engineering Thermodynamics

Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off

Engineering Thermodynamics The variables which control the physical properties of a perfect gas are

Engineering Thermodynamics Reversed Joule cycle is known as

Engineering Thermodynamics According to Kelvin-Planck’s statement of second law of thermodynamics,

Engineering Thermodynamics The following cycle is used for air craft refrigeration

Engineering Thermodynamics In a steady flow process, the ratio of

Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

Engineering Thermodynamics
The variables which control the physical properties of a perfect gas are

Engineering Thermodynamics
Reversed Joule cycle is known as

Engineering Thermodynamics
According to Kelvin-Planck’s statement of second law of thermodynamics,

Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Engineering Thermodynamics
In a steady flow process, the ratio of