Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 25-50 750-1000 200-250 50-75 25-50 750-1000 200-250 50-75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always Less than arithmetic mean value More than geometric mean value Both B & C More than arithmetic mean value Less than arithmetic mean value More than geometric mean value Both B & C More than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate? Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch Triangular pitch Square pitch Heat transfer rate is independent of tube arrangement Diagonal square pitch Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a horizontal tube evaporator. Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube It is unsuitable for concentrating those liquids, which form a scale or deposit salt Its usual dimensions are: tube dia = 2-3 cms; evaporator body dia = 1-4 metres and evaporator height = 2.5-4 metres It is suitable for process, in which the final product is a liquor instead of solid Liquor flows inside the tube, while the steam is outside submerging the tube It is unsuitable for concentrating those liquids, which form a scale or deposit salt ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Straight flange section and corner torus section Central dished section and straight flange section Central dished section and corner torus section Corner torus section and central dished section Straight flange section and corner torus section Central dished section and straight flange section Central dished section and corner torus section Corner torus section and central dished section ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around 100 and 250 25 and 60 3 and 5 250 and 600 100 and 250 25 and 60 3 and 5 250 and 600 ANSWER DOWNLOAD EXAMIANS APP