Chemical Engineering MCQs

6108 MCQs  (Page 589 of 611)

Which one is true for a throttling process ?
A. A gas may have more than one inversion temperatures
B. The inversion temperature is different for different gases
C. The inversion temperature is same for all gases
D. The inversion temperature is the temperature at which joule-thomson co-efficient is infinity
Which of the following is affected by the temperature ?
A. Fugacity
B. Activity co-efficient
C. Free energy
D. All a, b. & c
Chemical engineering thermodynamics is concerned with the ____________ in/of chemical processes?
A. Reaction mechanism
B. Calculation of rates
C. Energy transformation from one form to another
D. None of these
Reduced pressure of a gas is the ratio of its__________________?
A. Pressure to critical pressure
B. Critical pressure to pressure
C. Pressure to pseudocritical pressure
D. Pseudocritical pressure to pressure
Which of the following exemplifies an adiabatic process ?
A. Melting of ice
B. Condensation of alcohol vapor
C. Sudden bursting of a cycle tube
D. Evaporation of water