Process Equipment and Plant Design Circumferential (hoop) stress in a thin cylindrical vessel under internal pressure is __________ the longitudinal stress. Equal to Eight times Half Twice Equal to Eight times Half Twice ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between __________ times the tank diameter. 1 to 1.5 6 to 8 2.5 to 3.5 4 to 5 1 to 1.5 6 to 8 2.5 to 3.5 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Remains constant Increases very rapidly Increases linearly Decreases very rapidly Remains constant Increases very rapidly Increases linearly Decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 4 to 8 2 to 3 3 to 5 6 to 12 4 to 8 2 to 3 3 to 5 6 to 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe distance of habitation from a hazardous chemical plant (TLV of its product < 1000 ppm) should be about __________ kms. 5 1 25 15 5 1 25 15 ANSWER DOWNLOAD EXAMIANS APP
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