Question: Detergent solution is dried to a powder in a [A]. spray dryer [B]. spouted bed dryer [C]. tunnel dryer [D]. pan open to atmosphere Answer: Option A Explanation: No answer description available for this question.

Question: Equilibrium-moisture curves of different solids [A]. are different [B]. are same [C]. depend on the humidity of the gas [D]. none of these Answer: Option A Explanation: No answer description available for this question.

Question: The caking of crystals can be prevented by [A]. maintaining high critical humidity. [B]. maintaining low critical humidity. [C]. coating the product with inert material. [D]. both (a) and (c) Answer: Option D Explanation: No answer description available for…