Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Rotary dryer Mechanical draft cooling tower Multiple effect evaporator Rotating disc contactor Rotary dryer Mechanical draft cooling tower Multiple effect evaporator Rotating disc contactor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T T² T⁴ √T T T² T⁴ √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Reduce liquid hold-up Reduce the overall pressure drop Avoid channelling Avoid flooding Reduce liquid hold-up Reduce the overall pressure drop Avoid channelling Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Gas phase Interface All of these Liquid phase Gas phase Interface All of these Liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When both the fluids flow concurrently in an absorber, the slope of the operating line is 1 + ve -1 - ve 1 + ve -1 - ve ANSWER DOWNLOAD EXAMIANS APP
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