EXAMIANS
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is
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Which of the following has the minimum value of COP for a given refrigeration effect?
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At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is
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Change of state namely evaportation condensation, freezing and melting is an __________ process.
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Fugacity is a measure of the
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Out of the following refrigeration cycles, which one has maximum COP?
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4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
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"The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is
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On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will
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The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is
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