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

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

Decreased COP

Same COP

Increased or decreased COP ; depending upon the type of refrigerant

Increased COP

Decreased COP

Same COP

Increased or decreased COP ; depending upon the type of refrigerant

Increased COP

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Chemical Engineering Thermodynamics
Free energy change at equilibrium is

Indeterminate

Negative

Zero

Positive

Indeterminate

Negative

Zero

Positive

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Chemical Engineering Thermodynamics
First law of thermodynamics is mathematically stated as

dQ = dE - dW

dE = dQ + dW

dQ = dE + dW

dW = dQ + dE

dQ = dE - dW

dE = dQ + dW

dQ = dE + dW

dW = dQ + dE

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Chemical Engineering Thermodynamics
Enthalpy 'H' is defined as

None of these

H = F - TS

H = E - PV

H - E = PV

None of these

H = F - TS

H = E - PV

H - E = PV

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Chemical Engineering Thermodynamics
Partial molar free energy of an element A in solution is same as its

Chemical potential

Fugacity

Activity

Activity co-efficient

Chemical potential

Fugacity

Activity

Activity co-efficient

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Chemical Engineering Thermodynamics
A large iceberg melts at the base, but not at the top, because of the reason that

Ice at the base contains impurities which lowers its melting point

All of these

The iceberg remains in a warmer condition at the base

Due to the high pressure at the base, its melting point reduces

Ice at the base contains impurities which lowers its melting point

All of these

The iceberg remains in a warmer condition at the base

Due to the high pressure at the base, its melting point reduces

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Chemical Engineering Thermodynamics

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

Chemical Engineering Thermodynamics Free energy change at equilibrium is

Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as

Chemical Engineering Thermodynamics Enthalpy 'H' is defined as

Chemical Engineering Thermodynamics Partial molar free energy of an element A in solution is same as its

Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that

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

Chemical Engineering Thermodynamics
Free energy change at equilibrium is

Chemical Engineering Thermodynamics
First law of thermodynamics is mathematically stated as

Chemical Engineering Thermodynamics
Enthalpy 'H' is defined as

Chemical Engineering Thermodynamics
Partial molar free energy of an element A in solution is same as its

Chemical Engineering Thermodynamics
A large iceberg melts at the base, but not at the top, because of the reason that