Search
.Management Sciences
Category: Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air ?
0
A. Dry bulb temperature
B. Dew point
C. Wet bulb temperature
D. None of these
The most economical range of absorption factor is____________________?
A. 0 to 0.5
B. 0 to 3
C. 1.25 to 2
D. 5 to 15
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) ?
A. Increases
B. Decreases
C. Remain unaffected
D. Increases Linearly
Mass transfer co-efficient of liquid is____________________?
A. Affected more by temperature than that for gases
B. Affected much less by temperature than that for gases
C. Not affected by the temperature
D. None of these
Which of the following processes is not an example of adsorption applied to gaseous separations ?
A. Recovery of valuable solvent vapors from dilute mixture with air and other gases
B. Dehumidification of air and gas
C. Removal of objectionable odour and impurities from industrial gases
D. Decolouration of yellow glycerine
Which of the following is directly concerned with Psychrometry ?
A. Lewis relationship
B. Galileo number
C. Weber number
D. Dean number
The operating cost of a distillation column at minimum reflux ratio is____________________?
A. Minimum
B. Maximum
C. Infinite
D. Zero
Recent Comments