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CHEMICAL ENGINEERING THERMODYNAMICS

Chemical Engineering Thermodynamics
Duringthe phase transition, __________ changes.

All of these
Pressure
Volume
Temperature

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Chemical Engineering Thermodynamics
The specific heat of saturated water vapour at 100°C is

∞
+ve
-ve

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Chemical Engineering Thermodynamics
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

Mass of the working fluid
Two temperatures only
Mass and pressure both of the working fluid
Pressure of working fluid

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Chemical Engineering Thermodynamics
Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is

(T₂ - T₁)/T₁
(T₁ - T₂)/T₁
(T₁ - T₂)/T₂
(T₂ - T₁)/T₂

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Chemical Engineering Thermodynamics
Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is

(T₁ - T₂)/T₂
(T₁ - T₂)/T₁
T₁/(T₁ - T₂)
T₂/(T₁ - T₂)

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