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Thermodynamics

Answer: C

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Answer: C

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93.

What is the ratio of Cp/Cv for gas if the pressure of the gas is proportional to the cube of its temperature and the process is an adiabatic process?

Answer: B

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Answer: D

These are few examples of low grade energy.

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95.

The equation dQ=dU+pdW holds good for any process undergone by a closed stationary system.

Answer: A

When a closed stationary system undergoes a process, this equation holds true.

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96.

When work is dissipated into internal energy, what is the change in the disorderly motion of molecules.

Answer: B

We know that increase in internal energy causes more random motion.

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Answer: C

Energy is always conserved according to first law but its quality is degraded.

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98.

When a gas is throttled adiabatically from a high to a low pressure,

Answer: C

This is because of the fact that energy always degrades quality-wise.

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