Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. SO₂ CO₂ NH₃ None of these SO₂ CO₂ NH₃ None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 8 1/2 2 4 8 1/2 2 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Cool the liquid before it flows down Reduce the discharge fluctuation Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Cool the liquid before it flows down Reduce the discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. Low corrosiveness High specific heat Low viscosity Low dirt factor Low corrosiveness High specific heat Low viscosity Low dirt factor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as 0.1 0.5 0.8 0.25 0.1 0.5 0.8 0.25 ANSWER DOWNLOAD EXAMIANS APP