Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. Low viscosity Low corrosiveness Low dirt factor High specific heat Low viscosity Low corrosiveness Low dirt factor High specific heat ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger. Lower flow rate fluid should be routed through the shell side The viscous fluid should be routed through the shell side Higher pressure fluid stream should be routed through the shell side The corrosive and fouling fluid should be preferably routed through the tubes Lower flow rate fluid should be routed through the shell side The viscous fluid should be routed through the shell side Higher pressure fluid stream should be routed through the shell side The corrosive and fouling fluid should be preferably routed through the tubes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Weep holes provided in the plates of a distillation column All of these Facilitate draining out liquid from a tray when the unit is not in operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation All of these Facilitate draining out liquid from a tray when the unit is not in operation Are normally located near the overflow weir so that any delivery of liquid during operation follows approximately the same path as the overflow fluid Must be large enough (usually 1/4" to 5/8" dia) to prevent plugging but should not deliver excessive amount of fluid during operation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of None of these 2 20.8 20.2 None of these 2 20.8 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 7 < 15 < 7 > 20 < 50 < 30 > 7 < 15 < 7 > 20 < 50 < 30 ANSWER DOWNLOAD EXAMIANS APP
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