Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 12

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Consider the $P - V$ diagram shown in figure, value of work done by gas is given by

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Important Questions on Thermodynamics

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 13

Two thermally insulated vessels

1

and

2

are filled with air at temperatures

(T_{1}, T_{2}),

volume

(V_{1}, V_{2})

and pressure

(P_{1}, P_{2})

respectively. If the valve joining the two vessels is opened, the temperature inside the vessel at equilibrium will be

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 14

Find net work done by gas in the cyclic process $A \to B \to D \to E \to A$

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 15

An ideal monatomic gas undergoes process $A \to B \to C$ as shown. Find efficiency of the thermodynamic cyclic shown in figure.

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 16

Molar heat capacity of a gas in process

P^{2} V^{4} =

constant is given by (given that ratio of

\frac{C_{P}}{C_{V}}

is

\frac{4}{3}

for this gas)

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 17

If molar heat capacity of a gas (monoatomic) in a certain process is

4 R

, if

Δ Q

amount of heat is given to this gas, then rise in internal energy of gas is given by

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 18

If

10 J

of heat energy is supplied to a gas sample and

5 J

of its internal energy decreases then work done by the gas is given by

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 19

Heat is supplied by heater so that piston of mass $m$ moves a distance $x_{0}$ in upward direction and achieve a speed $v_{0}$ then work done by gas is given by (initially spring was in its natural length, $A$ : area of cross section)

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Gamma Question Bank for Engineering Physics>Chapter 11 - Thermodynamics>Assignment>Q 1

A cyclic process $A B C D A$ is shown in figure.

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Which of the following statements is correct?