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 4 to 8 6 to 12 2 to 3 3 to 5 4 to 8 6 to 12 2 to 3 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 Large plate spacing Low gas velocity Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Large plate spacing Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? At the outer surface None of these At the mid thickness of the cylindrical wall At the inner surface At the outer surface None of these At the mid thickness of the cylindrical wall At the inner surface ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Equal to Three fourth Half 1.5 times Equal to Three fourth Half 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 0.35-0.75 0.4-0.6 0.1-0.2 0.55-0.85 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Brass valves are usually made for pipe sizes __________ inches. >3.5 ?1 ?2 >2.5 >3.5 ?1 ?2 >2.5 ANSWER DOWNLOAD EXAMIANS APP