Skip to content
  • Home
  • Contact Us / Report Error
  • Disclaimer

Mass Transfer

Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by ________________ distillation?

August 22, 2021February 18, 2019 by admin
Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by ________________ distillation?

A. Atmospheric
B. Vacuum
C. High pressure
D. None of these

Categories Mass Transfer

When the temperature and humidity of air is low, we usually use _______________ draft cooling tower?

August 22, 2021February 18, 2019 by admin
When the temperature and humidity of air is low, we usually use _______________ draft cooling tower?

A. Natural
B. Forced
C. Induced
D. None of these

Categories Mass Transfer

In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the__________________?

August 22, 2021February 18, 2019 by admin
In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the__________________?

A. Temperature and pressure
B. Concentration
C. Nature of the constituents
D. None of these

Categories Mass Transfer

Leaching of sugar from sugar beets is done by___________________?

August 22, 2021February 18, 2019 by admin
Leaching of sugar from sugar beets is done by___________________?

A. Hot water
B. Hexane
C. Dilute H2SO4
D. Lime water

Categories Mass Transfer

In an absorber, HETP does not vary with the____________________?

August 22, 2021February 18, 2019 by admin
In an absorber, HETP does not vary with the____________________?

A. Flow rate of liquid
B. Flow rate of gas
C. Type and size of packing
D. None of these

Categories Mass Transfer

Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air ?

August 22, 2021February 18, 2019 by admin
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air ?

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

Categories Mass Transfer

Which of the following quantities need not be fixed before starting the design of a cocurrent absorber ?

August 22, 2021February 18, 2019 by admin
Which of the following quantities need not be fixed before starting the design of a cocurrent absorber ?

A. Heat gain or loss
B. Flow rate of entering liquid
C. Flow rate of gas
D. None of these

Categories Mass Transfer

During drying operation, it is easier to remove the ________________ moisture ?

August 22, 2021February 18, 2019 by admin
During drying operation, it is easier to remove the ________________ moisture ?

A. Equilibrium
B. Critical
C. Unbound
D. Bound

Categories Mass Transfer

In extractive distillation, solvent is_____________________?

August 22, 2021February 18, 2019 by admin
In extractive distillation, solvent is_____________________?

A. Added to alter the relative volatility of the mixture
B. Of high volatility
C. Present in overhead stream
D. Of high viscosity to give high tray efficiency

Categories Mass Transfer

At a fixed total pressure, humidity depends only on the _______________________?

August 22, 2021February 18, 2019 by admin
At a fixed total pressure, humidity depends only on the _______________________?

A. Partial pressure of vapour in the mixture
B. Heat capacity of the vapour
C. Density of the vapour
D. None of these

Categories Mass Transfer
Older posts
Newer posts
← Previous Page1 … Page32 Page33 Page34 … Page93 Next →
© 2025 • Built with GeneratePress