Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Both B and C Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter Both B and C Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Permits the use of less tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Both A & B Neither A nor B Leads to high tray efficiency Results in higher pressure drop per tray Both A & B Neither A nor B Leads to high tray efficiency Results in higher pressure drop per tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 12 18 34 6 12 18 34 6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Decrease the pressure drop Improve the flow condition Facilitate handling of large flow rate of liquid Increase the residence time Decrease the pressure drop Improve the flow condition Facilitate handling of large flow rate of liquid Increase the residence time ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ). 1/D² 1/D⁵ 1/D D² 1/D² 1/D⁵ 1/D D² ANSWER DOWNLOAD EXAMIANS APP
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