Mass Transfer
Steady state equimolal counter diffusion is encountered in

Separation of a binary mixture by distillation
All liquid-liquid diffusion systems
All of these
Absorption of NH₃ from air by water

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Gas plus its accompanying vapour at 1 atm. and room temperature
Gas plus its accompanying vapour at 1 atm. and gas temperature
Vapour laden gas at 1 atm. and gas temperature
Vapour laden gas at 1 atm. and room temperature

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Steam distillation is not recommended to be used, if the

Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature
Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature
Azeotropic mixture is to be separated and the final product is miscible with water
Liquids decompose, if distilled directly at atmospheric pressure

ANSWER DOWNLOAD EXAMIANS APP