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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Refrigerants commonly used for domestic refrigerators are

Freon-12
Ethyl chloride or methyle chloride
Propane
NH₃ or CO₂

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Chemical Engineering Thermodynamics
When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the

Kopp's rule
Arrehenius hypothesis
Le-Chatelier principle
Law of corresponding state

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Chemical Engineering Thermodynamics
In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when

N = 1
N = 0
N = 1.66
N = y = 1.4

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Chemical Engineering Thermodynamics
1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be

174 K
154 K
274 K
35 K

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Chemical Engineering Thermodynamics
For a constant volume process

dW = pdV
dE = CvdT
dE = CpdT
dQ = dE + pdV

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Chemical Engineering Thermodynamics
Joule-Thomson co-efficient depends on the

Neither A nor B
Temperature
Both A & B
Pressure

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MORE MCQ ON Chemical Engineering Thermodynamics

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