Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Fixed charges initially Running cost of steam for reboiler Vapour & liquid load both Running cost of cooling water for condenser Fixed charges initially Running cost of steam for reboiler Vapour & liquid load both Running cost of cooling water for condenser ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large plate spacing Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large plate spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following material is seldom used for pressure vessel construction? Killed steel Mild steel Rimmed still Semi-killed steel Killed steel Mild steel Rimmed still Semi-killed steel ANSWER DOWNLOAD EXAMIANS APP
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. 10-12.5 2.5-3.0 5-7.5 15-20 10-12.5 2.5-3.0 5-7.5 15-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Decrease the pressure drop Increase the residence time Facilitate handling of large flow rate of liquid Improve the flow condition Decrease the pressure drop Increase the residence time Facilitate handling of large flow rate of liquid Improve the flow condition ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower. Molal flow rate of vapour Vapour molecular weight All of these Pressure and temperature Molal flow rate of vapour Vapour molecular weight All of these Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS