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 < 30 < 7 > 20 < 50 > 7 < 15 < 30 < 7 > 20 < 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of 4 to 10 10 to 20 20 to 30 1 to 2 4 to 10 10 to 20 20 to 30 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. 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 Disk and doughnut baffle is the most commonly used baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 5 to 10 0.01 to 1 10 to 20 1.5 to 2.5 5 to 10 0.01 to 1 10 to 20 1.5 to 2.5 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 Increases very rapidly Remains constant Increases linearly Decreases very rapidly Increases very rapidly Remains constant Increases linearly Decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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