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
Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to F F/2 2f 1/f F F/2 2f 1/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by Decreasing pressure No means Increasing temperature Increasing pressure Decreasing pressure No means Increasing temperature Increasing pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively 1 and 0 >1 and ≈ 1 < 1 and ≈ 1 0 and ≈ 1 1 and 0 >1 and ≈ 1 < 1 and ≈ 1 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Decreases with time Does not affect the moisture content of the wet solid Increases with time Does not change with time Decreases with time Does not affect the moisture content of the wet solid Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Ideal solutions Non-ideal gases Real solutions Mixture of water and alcohol Ideal solutions Non-ideal gases Real solutions Mixture of water and alcohol ANSWER DOWNLOAD EXAMIANS APP
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