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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
If atmospheric temperature and dew point are nearly equal, then the relative humidity is

Unpredictable
50%
Zero
Almost 100%

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Chemical Engineering Thermodynamics
y = specific heat ratio of an ideal gas is equal to

Cp/Cv
1 + (R/CV)
Cp/(CP-R)
All of these

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Chemical Engineering Thermodynamics
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is

300(35/7)
300(32/7)
300(33/7)
300(33/5)

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Chemical Engineering Thermodynamics
The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is

-ve
+ve
∞

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Chemical Engineering Thermodynamics
Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

First
Zeroth
Third
Second

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Chemical Engineering Thermodynamics
Entropy, which is a measure of the disorder of a system is

Zero at absolute zero temperature for a perfect crystalline substance
Independent of temperature
Independent of pressure
All of these

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