A perfect black body has a unique characteristic feature as
Answer: C
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Which of the following laws was formulated by Nernst?
Answer: C
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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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Which of the following is an example of low grade energy?
Answer: D
These are few examples of low grade energy.
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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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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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Which of the following is true?
Answer: C
Energy is always conserved according to first law but its quality is degraded.
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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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