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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
y = specific heat ratio of an ideal gas is equal to

Cp/(CP-R)
Cp/Cv
1 + (R/CV)
All of these

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Chemical Engineering Thermodynamics
Which of the following is not a reversible process ?

Atmospheric pressure vaporisation of water at 100°C
None of these
Expansion of an ideal gas against constant pressure
Solution of NaCl in water at 50°C

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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)/T₂
(T₂ - T₁)/T₂
(T₁ - T₂)/T₁

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Chemical Engineering Thermodynamics
A refrigerator works on the principle of __________ law of thermodynamics.

Zeroth
Second
Third
First

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Chemical Engineering Thermodynamics
(∂T/∂P)H is the mathematical expression for

Joule-Thompson co-efficient
Specific heat at constant volume (Cv)
Specific heat at constant pressure (Cp)
None of these

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Chemical Engineering Thermodynamics
In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂?

-94 kcal
< - 94 kcal
> -94 kcal
Zero

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