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.
Answer: Option C Answer: (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.
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