Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

February 2019

In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because_______________?

Mass Transfer /
In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because_______________?

A. Temperature is less
B. Total pressure is less
C. Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium
condition
D. Saturated steam is used for steam distillation

In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because_______________? Read More »

Mass Transfer

_____________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture ?

Mass Transfer /
_____________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture ?

A. Dry bulb
B. Wet bulb
C. Dew point
D. None of these

_____________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture ? Read More »

Mass Transfer

For _______________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same?

Mass Transfer /
For _______________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same?

A. Unsaturated surface
B. Constant rate
C. Both A. and B.
D. Neither A. nor B.

For _______________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same? Read More »

Mass Transfer

The term “cooling range” in a cooling tower refers to the difference in the temperature of____________________?

Mass Transfer /
The term “cooling range” in a cooling tower refers to the difference in the temperature of____________________?

A. Cold water leaving the tower and the wet bulb temperature of the surrounding air
B. Hot water entering the tower and the wet bulb temperature of the surrounding air
C. Hot water entering the tower and the cooled water leaving the tower
D. None of these

The term “cooling range” in a cooling tower refers to the difference in the temperature of____________________? Read More »

Mass Transfer