A. Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas
B. The ‘Hatta number’ is important in problems involving gas absorption without chemical
reaction
C. For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both
components is linear in the case of steady state equimolal counter-diffusion
D. Total reflux in case of distillation operation requires infinite number of plates for a binary
system separation
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