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 Neither A nor B Range is 15°F Both A & B Approach is 10°F Neither A nor B Range is 15°F Both A & B Approach is 10°F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Decreased liquid viscosity Both A & B Increased diffusivity Neither A nor B Decreased liquid viscosity Both A & B Increased diffusivity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer ______ extractor uses centrifugal force for separating the two phases. Podbielniak Treybal Schiebel None of the listed here Podbielniak Treybal Schiebel None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent. 100 > 100 < 100 None of these 100 > 100 < 100 None of these ANSWER DOWNLOAD EXAMIANS APP
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