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)

[m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)]

[m R (T1 - T2)] /(γ - 1)

(p1 v1 - p2, v2)/(γ - 1)

All of these

[m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)]

[m R (T1 - T2)] /(γ - 1)

(p1 v1 - p2, v2)/(γ - 1)

All of these

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Enthalpy

Work done

Power

Entropy

Enthalpy

Work done

Power

Entropy

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Engineering Thermodynamics
A tri-atomic molecule consists of __________ atoms.

Four

Two

Three

One

Four

Two

Three

One

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion

Adiabatic expansion

Throttling

Hyperbolic expansion

Free expansion

Adiabatic expansion

Throttling

Hyperbolic expansion

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Engineering Thermodynamics
The universal gas constant (or molar constant) of a gas is the product of

Molecular mass of the gas and the specific heat at constant pressure

Molecular mass of the gas and the specific heat at constant volume

Atomic mass of the gas and the gas constant

Molecular mass of the gas and the gas constant

Molecular mass of the gas and the specific heat at constant pressure

Molecular mass of the gas and the specific heat at constant volume

Atomic mass of the gas and the gas constant

Molecular mass of the gas and the gas constant

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Engineering Thermodynamics
The compression ratio for petrol engines is

3 to 6

10 to 20

15 to 30

5 to 8

3 to 6

10 to 20

15 to 30

5 to 8

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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 sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Engineering Thermodynamics A tri-atomic molecule consists of __________ atoms.

Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Engineering Thermodynamics The universal gas constant (or molar constant) of a gas is the product of

Engineering Thermodynamics The compression ratio for petrol engines is

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 sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Engineering Thermodynamics
A tri-atomic molecule consists of __________ atoms.

Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Engineering Thermodynamics
The universal gas constant (or molar constant) of a gas is the product of

Engineering Thermodynamics
The compression ratio for petrol engines is