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
A. Spray dryer
B. Spouted bed dryer
C. Tunnel dryer
D. Pan open to atmosphere
Answer: Option A
A. Chemical properties
B. Physical properties
C. Degree of turbulence
D. Interfacial area
A. No change in theoretical
B. Marginal decrease in the number of
C. Major decrease in the number of
D. None of these
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