Which of the following assumes constant molal vaporisation and overflow ?

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Large scale drying of wheat is done in a ________________ dryer?

A. Fluidised bed B. Spouted bed C. Tray D. Vacuum rotary...

Alcohol is dehydrated using ______________ distillation?

A. Extractive B. Azeotropic C. Steam D. Molecular...

High pressure at the bottom of a distillation tower handling heat sensitive materials results in____________________?

A. Thermal decomposition of bottoms B. Increased relative volatility C. Erosion of the tower D. Very efficient operation...

To get high tray efficiency___________________?

A. Interfacial surface between liquid and gas phase should be large B. Time of contact between the two phases should be less C. Gas velocity should be very low D. Liquid entrainment should be severe...

The value of NA/(NA + NB) for steady state molecular diffusion of gas ‘A’ through nondiffusing gas ‘B’ is____________________?

A. 1 B. ∞ C. 0.5 D. 2...