Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 6 to 12 3 to 5 4 to 8 2 to 3 6 to 12 3 to 5 4 to 8 2 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In inclined long tube vertical evaporators, the tubes are inclined at an angle of 45° 60° 90° 15° 45° 60° 90° 15° ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 3.5-5.5 7.5-10.0 1.5-2.5 44119 3.5-5.5 7.5-10.0 1.5-2.5 44119 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Is of high specific gravity Containing suspended solids flows at high velocity Is highly viscous Containing suspended solids flows at low velocity Is of high specific gravity Containing suspended solids flows at high velocity Is highly viscous Containing suspended solids flows at low velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is Always less than the diameter of the tube Called tube clearance Called tube pitch None of these Always less than the diameter of the tube Called tube clearance Called tube pitch None of these 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 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 The minimum value of baffle spacing is 50 mm The maximum value of baffle spacing is equal to the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
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