Back-trapping in a distillation column ?

Related Mcqs:

Which of the following parameters remains constant during chemical dehumidification ?

A. Dry bulb temperature B. Partial pressure of vapour C. Wet bulb temperature D. None of these...

For gas absorption, low viscosity solvents are preferred, because of their ____________________?

A. Better flow characteristics B. Low pumping pressure drop C. Rapid absorption rates D. All A., B. and C....

Raoult’s law does not apply, when the___________________?

A. Size of component molecules are not equal B. Attractive forces between like and unlike molecules in the solution are approximately equal C. Component molecules are non-polar D. Chemical combination or molecular association between unlike molecules takes place in the formation of solution...

Most important factor to be considered in the selection of packings for absorbers is the ______________ of packing?

A. Size B. Durability C. Porosity D. Cost...

Pick out the wrong statement?

A. Mass transfer co-efficient does not account for gas-liquid diffusion B. Diffusion co-efficient and mass transfer co-efficient are not same in any mass transfer operation C. Contacting cold vapor-gas mixture with hot liquid exemplifies humidification process D. Contacting cold liquid with warm vapor-gas mixture exemplifies dehumidification process...