Mass Transfer - Study Mode
[#586] Extraction of pencillin employs a __________ extraction coloumn.
Correct Answer
(A) Centrifugal
[#587] The relative volatility of a binary mixture at constant temperature __________ the total pressure.
Correct Answer
(A) Decreases with increase in
[#588] For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/k y .C z is around
Correct Answer
(C) 1
[#589] The surface renewal frequency in Danckwerts model of mass transfer is given by (K L : mass transfer co-efficient)
Correct Answer
(A) $$sqrt {{{ ext{K}}_{ ext{L}}}^2 cdot {{ ext{D}}_{ ext{A}}}} $$
[#590] Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and
Correct Answer
(A) Humidified with wet bulb temperature decreasing