Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area) 1.2 Aa = 1.2 Sa Sa = 1.5 Aa Aa = Sa Aa = 1.5 Sa 1.2 Aa = 1.2 Sa Sa = 1.5 Aa Aa = Sa Aa = 1.5 Sa 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)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.1-0.2 0.4-0.9 1.2-1.5 0.2-0.5 0.1-0.2 0.4-0.9 1.2-1.5 0.2-0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 10 to 20 5 to 10 1.5 to 2.5 0.01 to 1 10 to 20 5 to 10 1.5 to 2.5 0.01 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is 10 10 20 20 10 10 20 20 ANSWER DOWNLOAD EXAMIANS APP
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 Both B & C < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers ANSWER DOWNLOAD EXAMIANS APP
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