Mass Transfer

In case of liquids, the binary diffusivity is proportional to (where, T = temperature) _____________________?

Byadmin February 17, 2019August 22, 2021

In case of liquids, the binary diffusivity is proportional to (where, T = temperature) _____________________?

A. T
B. √T
C. T2
D. 1/T

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 ?

_____________ 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

Read More _____________ 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

Steam distillation is used for separation of high boiling ____________________?

Steam distillation is used for separation of high boiling ____________________?

A. Substances from non-volatile impurities
B. Volatile impurity from still higher boiling substances
C. Both A. and B.
D. Neither A. nor B.

Read More Steam distillation is used for separation of high boiling ____________________?
CHEMICAL ENGINEERING | Mass Transfer

At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Question: At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.
[A].

operating
[B].
total
[C].
minimum
[D].
maximum permissible

Answer: Option B

Explanation:

No answer description available for this question.

Read More At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.
Mass Transfer

When the feed to a distillation column is a saturated liquid, slope of the feed line is_____________________?

When the feed to a distillation column is a saturated liquid, slope of the feed line is_____________________?

A. Zero
B. Unity
C. Infinity
D. None of these

Read More When the feed to a distillation column is a saturated liquid, slope of the feed line is_____________________?
Mass Transfer

The dimension of diffusivity is same as that of the__________________?

The dimension of diffusivity is same as that of the__________________?

The dimension of diffusivity is same as that of the
A. Density
B. Molal concentration
C. Kinematic viscosity
D. Velocity head

Read More The dimension of diffusivity is same as that of the__________________?
Mass Transfer

Diameter to height ratio for a raschig ring is_____________________?

Diameter to height ratio for a raschig ring is_____________________?

A. 1
B. 0.5
C. 2
D. 8

Read More Diameter to height ratio for a raschig ring is_____________________?