Chemical Engineering MCQs

6108 MCQs  (Page 579 of 611)

Ideal refrigeration cycle is____________________?
A. Same as carnot cycle
B. Same as reverse carnot cycle
C. Dependent on the refrigerant’s properties
D. The least efficient of all refrigeration processes
Cv for an ideal gas__________________?
A. Does not depend upon temperature
B. Is independent of pressure only
C. Is independent of volume only
D. Is independent of both pressure and volume
Throttling process is a/an _____________ process?
A. Reversible and isothermal
B. Irreversible and constant enthalpy
C. Reversible and constant entropy
D. Reversible and constant enthalpy
(∂T/∂P)H is the mathematical expression for__________________?
A. Specific heat at constant pressure (cp)
B. Specific heat at constant volume (cv)
C. Joule-thompson co-efficient
D. None of these
Which of the following will increase the volume of a real gas by four times ?
A. Doubling the absolute temperature as well as pressure of the gas
B. Reducing pressure to one fourth at constant temperature
C. Reducing temperature to one fourth at constant pressure
D. Reducing the temperature to half and doubling the pressure
Compressibility factor for almost all the gases are approximately same at the same__________________?
A. Pressure and temperature
B. Reduced pressure and reduced temperature
C. Critical pressure and critical temperature
D. None of these