Mass Transfer Which of the following equipments is not used for gas dispersion? Perforated sieve tray towers Spray towers Agitated vessels Bubble cap tray towers Perforated sieve tray towers Spray towers Agitated vessels Bubble cap tray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Sieve-plate column Randomly packed column Packed column (stacked) Bubble-cap column Sieve-plate column Randomly packed column Packed column (stacked) Bubble-cap column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. Penetration Film Surface-renewal None of these Penetration Film Surface-renewal None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points None of these Pressure increases gradually from bottom to the top of the column Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points None of these Pressure increases gradually from bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as None of the listed here Flux = Co-efficient/concentration difference Flux=concentration difference/co-effi-cient Co-efficient = Flux/concentration difference None of the listed here Flux = Co-efficient/concentration difference Flux=concentration difference/co-effi-cient Co-efficient = Flux/concentration difference ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Range is 15°F Both A & B Neither A nor B Approach is 10°F Range is 15°F Both A & B Neither A nor B Approach is 10°F ANSWER DOWNLOAD EXAMIANS APP
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