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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.

Triple
Eutcetic
Critical
Plait

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Chemical Engineering Thermodynamics
Change of state namely evaportation condensation, freezing and melting is an __________ process.

Isobaric
Isothermal
Adiabatic
Isochoric

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Chemical Engineering Thermodynamics
The enthalpy change when ammonia gas is dissolved in water is called the heat of

Dilution
Formation
Combustion
Solution

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Chemical Engineering Thermodynamics
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

Same COP
Increased COP
Increased or decreased COP ; depending upon the type of refrigerant
Decreased COP

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Chemical Engineering Thermodynamics
First law of thermodynamics is mathematically stated as

dW = dQ + dE
dQ = dE + dW
dE = dQ + dW
dQ = dE - dW

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Chemical Engineering Thermodynamics
The thermodynamic law, PVy = constant, is not applicable in case of

Adiabatic compression of a perfect gas
Adiabatic expansion of steam in a turbine
Free expansion of an ideal gas
Ideal compression of air

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