Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers Both B & C 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers Both B & C 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open globe value may be around 25 75 10 300 25 75 10 300 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum plate efficiency is achieved in case of __________ flow. Reverse Cross Cascade Split Reverse Cross Cascade Split ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/20th 1/30th 1/50th 1/10th 1/20th 1/30th 1/50th 1/10th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing Dikes None of these Rupture diaphragm Surge chamber Dikes None of these Rupture diaphragm Surge chamber ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 ANSWER DOWNLOAD EXAMIANS APP