Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? All of these Cross-partition rings Lessig rings Raschig rings All of these Cross-partition rings Lessig rings Raschig rings 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 Rupture diaphragm Surge chamber None of these Dikes Rupture diaphragm Surge chamber None of these Dikes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Both B & C Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 80 8 180 1 80 8 180 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is None of these Called tube pitch Called tube clearance Always less than the diameter of the tube None of these Called tube pitch Called tube clearance Always less than the diameter of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is (d1 + d2)/d1 (d1 + d2)/d2 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d1 (d1 + d2)/d2 D2/(d1 + d2) D1/(d1 + d2) ANSWER DOWNLOAD EXAMIANS APP
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