Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 2 to 2.5 1.5 to 2 1 to 1.5 0.5 to 1 2 to 2.5 1.5 to 2 1 to 1.5 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. Disk and doughnut baffle is the most commonly used baffle The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell The minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The maximum value of baffle spacing is equal to the I.D. of the shell The minimum value of baffle spacing is 50 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Raschig rings All of these Lessig rings Cross-partition rings Raschig rings All of these Lessig rings Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ). 1/D D² 1/D⁵ 1/D² 1/D D² 1/D⁵ 1/D² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The main purpose of providing stepping on the trays is to Facilitate handling of large flow rate of liquid Increase the residence time Improve the flow condition Decrease the pressure drop Facilitate handling of large flow rate of liquid Increase the residence time Improve the flow condition Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is (d1 + d2)/d1 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d2 (d1 + d2)/d1 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d2 ANSWER DOWNLOAD EXAMIANS APP