One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult’s law is obeyed, then changing the feed composition would effect ?

One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult’s law is obeyed, then changing the feed composition would effect ?

A. The product composition but not the fraction vaporised
B. The product composition as well as the fraction vaporised
C. The fraction vaporised but not the product composition
D. Neither the product composition nor the fraction vaporised

The rate of solid-liquid extraction is limited by the_________________?

The rate of solid-liquid extraction is limited by the_________________?

A. Phase change of the solute as it dissolves in the solvent
B. Diffusion of the solute through the solvent in the pores to the outside of the particle
C. Diffusion of the solute from the solution in contact with the particle to the main bulk of the
solution
D. All A , B. & C.

In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because_______________?

In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because_______________?

A. Temperature is less
B. Total pressure is less
C. Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium
condition

D. Saturated steam is used for steam distillation

Heat load in a cooling tower______________________?

Heat load in a cooling tower______________________?

A. Means the amount of heat thrown away (KCal/hr.) by the cooling tower
B. Is equal to the number of kg, of water circulated times the cooling range
C. Both A. & B.
D. Neither A. nor B.