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 Disk and doughnut baffle is the most commonly used baffle 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 The minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following factors affect the pressure drop in a co-current gas-liquid absorption packed tower? Fluid flow rates Size, shape, orientation and surface of the packing particles Density and viscosity of fluids All of these Fluid flow rates Size, shape, orientation and surface of the packing particles Density and viscosity of fluids All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Static submergence Number of theorectical plates Length of straight rectangular weir on cross-flow tray Allowable vapour velocity Static submergence Number of theorectical plates Length of straight rectangular weir on cross-flow tray Allowable vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than 2 3.5 1 3 2 3.5 1 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 180 80 8 1 180 80 8 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Decreases very rapidly Remains constant Increases very rapidly Increases linearly Decreases very rapidly Remains constant Increases very rapidly Increases linearly ANSWER DOWNLOAD EXAMIANS APP
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