Channelling is most severe_____________________?

Related Mcqs:

Dorr thickener is an equipment used for______________________?

A. Classification B. Sedimentation C. Clarification D. Leaching...

The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an ___________________?

A. Pure component B. Binary mixture C. Ternary mixture D. Insoluble binary system...

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....

Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are ?

A. 4 B. 8 C. 9 D. 10...

The rough value of diffusion co-efficient of water vapor into air at 25°C may be about ______________ cm2/sec?

A. 0.25 B. 2.5 C. 1.25 D. 0.0025...