Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 2

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For a given amount of ideal gas, if $A$ be the slope of $P ~ V$ curve for its isothermal process and $B$ be the slope of $P ~ V$ curve for its adiabatic process then $γ (= \frac{C_{p}}{C_{v}})$ equals

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Important Questions on Thermodynamics

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 3

Two moles of an ideal gas undergoes adiabatic process and changes its state from

(P_{1}, V_{1}, T_{1})

to

(P_{2}, V_{2}, T_{2})

. The change in internal energy of the gas will be

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 4

At a constant pressure, a given amount of ideal diatomic gas expands under normal condition. The heat supplied to the gas is

350 J .

Then

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 5

A mixture of gases contains

4

moles of oxygen and

2

moles of argon at absolute temperature

T .

The total internal energy of this system (neglecting vibrations) is

[R =

universal gas constant ]

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 6

Two samples A and B of a gas initially at the same temperature and pressure, are compressed from the volume,

V

to

\frac{V}{2}

(

A

isothermally and,

B

adiabatically). The final pressure

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 7

A gas is suddenly compressed to

\frac{1}{4}

th of its original volume. Rise in temperature of the gas if initial temperature is

27 ° C

, will be (given

γ = 1.5) .

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 8

An ideal gas is heated at constant pressure and absorbs

' Q'

amount of heat. If the ratio

\frac{C_{p}}{C_{v}} = γ,

then

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 9

Figure shows $P ~ T$ diagram for $2$ moles of an ideal gas. The volume of the gas is nearly

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>EXERCISE>Q 10

The $P ~ V$ curve for $1$ mole of an ideal monoatomic gas during process $A \to B$ is shown in figure. The change in internal energy of the gas is

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