Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

Engineering Thermodynamics
Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

All of these

[m R (T1 - T2)] /(γ - 1)

[m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)]

(p1 v1 - p2, v2)/(γ - 1)

All of these

[m R (T1 - T2)] /(γ - 1)

[m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)]

(p1 v1 - p2, v2)/(γ - 1)

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

Second law of thermodynamics

First law of thermodynamics

None of these

Zeroth law of thermodynamics

Second law of thermodynamics

First law of thermodynamics

None of these

Zeroth law of thermodynamics

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Engineering Thermodynamics
The ratio of two specific heats of air is equal to

0.17

0.1

0.24

1.41

0.17

0.1

0.24

1.41

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Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Equal to

None of these

Greater than

Less than

Equal to

None of these

Greater than

Less than

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Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 + rγ - 1

1 + (1/ rγ - 1)

1 - (1/ rγ - 1)

1 - rγ - 1

1 + rγ - 1

1 + (1/ rγ - 1)

1 - (1/ rγ - 1)

1 - rγ - 1

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Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Perfect gas

Saturated steam

Any gas

Water

Perfect gas

Saturated steam

Any gas

Water

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Engineering Thermodynamics

Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

Engineering Thermodynamics The measurement of a thermodynamic property known as temperature is based on

Engineering Thermodynamics The ratio of two specific heats of air is equal to

Engineering Thermodynamics The efficiency of Stirling cycle is __________ Carnot cycle.

Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

Engineering Thermodynamics For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Engineering Thermodynamics
Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

Engineering Thermodynamics
The ratio of two specific heats of air is equal to

Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only