Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value Is always less than arithmetic average value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law. Negative None of these No Positive Negative None of these No Positive ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called None of these Downcomer liquid seal Static submergence Skirt clearance None of these Downcomer liquid seal Static submergence Skirt clearance 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. 1/50th 1/30th 1/20th 1/10th 1/50th 1/30th 1/20th 1/10th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 1.5 to 2.5 10 to 20 0.01 to 1 5 to 10 1.5 to 2.5 10 to 20 0.01 to 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP