Occurrence of ‘case hardening’ during drying of a high moisture solid cake _______________ the drying rate?

Related Mcqs:

To remove all the moisture from a wet solid it requires exposure to _____________ air?

A. Perfectly dry B. Highly humid C. High 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....

Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in_________________?

A. Decreased solute solubility B. Large minimum liquid to gas (L/G) ratio C. Large number of trays D. All A., B. and C....

Pick out the correct relationship. (Where, Ri = internal reflux ratio Ro = external reflux ratio.) ?

A. (1 + Ro) = Ro/Ri B. (1 – Ro) = Ro/Ri C. (1 + Ri) = Ro/Ri D. (1 – Ri) = Ro/Ri...

Compound A is extracted from a solution of A + B into a pure solvent S. A Co-current unit is used for the liquid-liquid extraction. The inlet rate of the solution containing A is 200 moles of B/hr.m2 and the solvent flow, rate is 400 moles of S/m2. hr. The equilibrium data is represented by Y = 3X2 , where Y is in moles of a A/moles of B and X is in moles A/moles of S. The maximum percentage extraction achieved in the unit is_________________________?

A. 25% B. 50% C. 70% D. 90%...