Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 3 to 5 2 to 3 4 to 8 6 to 12 3 to 5 2 to 3 4 to 8 6 to 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Vapour & liquid load both Running cost of steam for reboiler Fixed charges initially Running cost of cooling water for condenser Vapour & liquid load both Running cost of steam for reboiler Fixed charges initially Running cost of cooling water for condenser ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row. Zig-zag Diamond None of these Chain Zig-zag Diamond None of these Chain ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to 2 ∞ 20.8 1 2 ∞ 20.8 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 2 4 43834 43832 2 4 43834 43832 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Value of Peclet number = 0, is the representative of Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow ANSWER DOWNLOAD EXAMIANS APP