The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Boyle's law

Charles' law

Gay-Lussac law

All of the listed here

Boyle's law

Charles' law

Gay-Lussac law

All of the listed here

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Decrease

Increase/decrease depending on application

Remain unchanged

Increase

Decrease

Increase/decrease depending on application

Remain unchanged

Increase

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Engineering Thermodynamics
In an irreversible process, there is a

No gain of heat

Loss of heat

Gain of heat

No loss of heat

No gain of heat

Loss of heat

Gain of heat

No loss of heat

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

None of these

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

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Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Maximum

Zero

Infinity

Minimum

Maximum

Zero

Infinity

Minimum

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Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

1 - (T1/T2)

(T1/T2) - 1

1 - (T2/T1)

1 + (T2/T1)

1 - (T1/T2)

(T1/T2) - 1

1 - (T2/T1)

1 + (T2/T1)

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Engineering Thermodynamics

Engineering Thermodynamics The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Engineering Thermodynamics In an irreversible process, there is a

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

Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Engineering Thermodynamics
In an irreversible process, there is a

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

Engineering Thermodynamics
For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be

Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)