Mass Transfer Prandtl number for water at 20°C is about 7 0.7 70 150 7 0.7 70 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Packed Bubble cap Perforated tray Wetted wall Packed Bubble cap Perforated tray Wetted wall ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. None of these Forced Natural Induced None of these Forced Natural Induced ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will Remain same Increase Decrease Data insufficient, can't be predicted Remain same Increase Decrease Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. Azeotropic Flash Extractive Molecular Azeotropic Flash Extractive Molecular ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Above which it will always become damp Below which it will always stay dry Above Which it will always become dry and below which it will always stay damp Both A and B Above which it will always become damp Below which it will always stay dry Above Which it will always become dry and below which it will always stay damp Both A and B ANSWER DOWNLOAD EXAMIANS APP