Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Evaporation Sublimation Adsorption Dehydration Evaporation Sublimation Adsorption Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Greater than Smaller than Either A, or B ; depends on the type of packing Equal to Greater than Smaller than Either A, or B ; depends on the type of packing Equal to ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. None of these Tunnel Tray Rotary None of these Tunnel Tray Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Parallel Both A & B Neither A nor B Straight Parallel Both A & B Neither A nor B Straight ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. 50 100 Between 0 and 100 50 100 Between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
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