Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Both A and B Neither A nor B Is one at unity value of Increases with increase in Both A and B Neither A nor B Is one at unity value of Increases with increase in ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number. Lewis Grashoff Sherwood None of these Lewis Grashoff Sherwood None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Decreases Does not affect Exponentially increases Increases Decreases Does not affect Exponentially increases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model. None of the listed here Both plug & perfectly mixed Perfectly mixed Plug None of the listed here Both plug & perfectly mixed Perfectly mixed Plug ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. Is independent of Decreases with increase in Increases with increase in None of these Is independent of Decreases with increase in Increases with increase in None of these ANSWER DOWNLOAD EXAMIANS APP