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 0.5 to 1 1 to 1.5 2 to 2.5 1.5 to 2 0.5 to 1 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square Both A & B Neither A nor B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is Less More Same More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein Less More Same More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the Equal sized reactors are the best None of these Larger reactor should come first Smaller reactor should come first Equal sized reactors are the best None of these Larger reactor should come first Smaller reactor should come first ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thermal stress in a metallic bar does not depend upon the Changes in temperature Cross-sectional area Both A & B Neither A nor B Changes in temperature Cross-sectional area Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. The minimum value of baffle spacing is 50 mm The maximum value of baffle spacing is equal to the I.D. of the shell 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 Disk and doughnut baffle is the most commonly used baffle The minimum value of baffle spacing is 50 mm The maximum value of baffle spacing is equal to the I.D. of the shell 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 Disk and doughnut baffle is the most commonly used baffle ANSWER DOWNLOAD EXAMIANS APP
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