Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 1000 3000 10000 5000 1000 3000 10000 5000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 2.5 times Less than One-fourth of 1.25-1.50 times 2.5 times Less than One-fourth of 1.25-1.50 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the None of these Larger reactor should come first Smaller reactor should come first Equal sized reactors are the best None of these Larger reactor should come first Smaller reactor should come first Equal sized reactors are the best ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. Ellipsoidal Hemispherical Flat plate Torispherical Ellipsoidal Hemispherical Flat plate Torispherical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Decrease by 22 Increase by 21.6 None of these Increase by 1.8 Decrease by 22 Increase by 21.6 None of these Increase by 1.8 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 6 to 12 3 to 5 2 to 3 4 to 8 6 to 12 3 to 5 2 to 3 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
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