chemical engineering thermodynamics for chemical chemical engineering MCQs – Page 27

Practise multiple-choice questions from chemical engineering thermodynamics for chemical chemical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering thermodynamics for chemical chemical engineering Mcqs
521. Isentropic process means a constant _____________________ process ?
comments icon0
A. Entropy

B. Enthalpy

C. Pressure

D. None of these

522. Entropy is a/an___________________?
comments icon0

A. Macroscopic property

B. Extensive property

C. None of these

D. State function

523. Pick out the correct statement?
comments icon0

A. A real gas on expansion in vacuum gets heated up

B. An ideal gas on expansion in vacuum gets cooled

C. A real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

D. An ideal gas on expansion in vacuum gets heated up

524. Which is not constant for an ideal gas ?
comments icon0

A. All (A), B. & (C)

B. (?P/?V)T

C. (?P/?V)V

D. (?V/?T)P

525. Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas)__________________?
comments icon0

A. 1/?T

B. T2

C. ?T

D. T
526. Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?
comments icon0

A. Lower to higher temperature

B. Refrigeration obtained to the work required

C. Higher to lower temperature

D. Work required to refrigeration obtained

527. (?H/?T)P is the mathematical expression for____________________?
comments icon0
A. None of these

B. CV

C. Entropy change

D. Gibbs free energy