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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Which is an example of closed system?

Liquid cooling system of an automobile
Boiler
Air compressor
None of these

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Chemical Engineering Thermodynamics
Ideal refrigeration cycle is

The least efficient of all refrigeration processes
Dependent on the refrigerant's properties
Same as reverse Carnot cycle
Same as Carnot cycle

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

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Chemical Engineering Thermodynamics
Number of phases in a colloidal system are

3
1
2
4

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Chemical Engineering Thermodynamics
The total change in the enthalpy of a system is independent of the

None of these
State of combination and aggregation in the beginning and at the end of the reaction
Number of intermediate chemical reactions involved
Pressure and temperature

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Chemical Engineering Thermodynamics
In an irreversible process

Tds - dE + dW< 0
DE - dW - Tds = 0
Tds = dE - dW = 0
Tds - dT + dW< 0

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