Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 2.5-3.0 15-20 5-7.5 10-12.5 2.5-3.0 15-20 5-7.5 10-12.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh . dt/2)/ph (ph - dh)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dh)/ph (ph - dt)/ph (ph - dh)/dh 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 None of these Increase by 21.6 Increase by 1.8 Decrease by 22 None of these Increase by 21.6 Increase by 1.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL No relation exists σh = σL/2 σh = 2 σL σh = σL No relation exists σh = σL/2 σh = 2 σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Straight flange section and corner torus section Central dished section and corner torus section Corner torus section and central dished section Central dished section and straight flange section Straight flange section and corner torus section Central dished section and corner torus section Corner torus section and central dished section Central dished section and straight flange section ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 1/2 2 4 8 1/2 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
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