Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-3 sec/cm 10-9 cm/sec 10-1 cm²/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-9 cm/sec 10-1 cm²/sec 10-4 cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Neither A nor B Decreased liquid viscosity Both A & B Increased diffusivity Neither A nor B Decreased liquid viscosity Both A & B Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Not affected by the temperature Affected more by temperature than that for gases None of these Affected much less by temperature than that for gases Not affected by the temperature Affected more by temperature than that for gases None of these Affected much less by temperature than that for gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Randomly packed column Bubble cap column Wetted wall column Sieve plate column Randomly packed column Bubble cap column Wetted wall column Sieve plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Antibiotics are best handled in a Sieve tray contractor Rotating disc contactor Podbielniak extractor Pulsed column extractor Sieve tray contractor Rotating disc contactor Podbielniak extractor Pulsed column extractor ANSWER DOWNLOAD EXAMIANS APP
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