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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Which is an example of closed system?

Air compressor
Boiler
Liquid cooling system of an automobile
None of these

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Chemical Engineering Thermodynamics
In an adiabatic process, the

Work done is a path function
Heat transfer is zero
Temperature change is zero
Enthalpy remains constant

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Chemical Engineering Thermodynamics
Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

Same as
More than
Half
Less than

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Chemical Engineering Thermodynamics
The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

160, 000 kW
100, 000 kW
200, 000 kW
320, 000 kW

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Chemical Engineering Thermodynamics
At absolute zero temperature, the __________ of the gas is zero.

None of these
Pressure
Mass
Volume

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Chemical Engineering Thermodynamics
Which of the following identities can be most easily used to verify steam table data for superheated steam.

(∂T/∂P)S = (∂V/∂S)P
(∂V/∂T)P = -(∂S/∂P)T
(∂T/∂V)S = (∂p/∂S)V
(∂P/∂T)V = (∂S/∂V)T

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