Process Equipment and Plant Design Which of the following lengths of heat exchanger tubes are normally not used in practice? 2.5 metres 0.5 metre 6 metres 10 metres 2.5 metres 0.5 metre 6 metres 10 metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Can accomodate less number of tubes for a given shell diameter Results in higher shell side pressure drop Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Can accomodate less number of tubes for a given shell diameter Results in higher shell side pressure drop Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of water in pipes is __________ m/sec. 0.1-0.5 1-2 15-30 10-50 0.1-0.5 1-2 15-30 10-50 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 1.5-2.5 44119 7.5-10.0 3.5-5.5 1.5-2.5 44119 7.5-10.0 3.5-5.5 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 Called tube pitch None of these Called tube clearance Always less than the diameter of the tube Called tube pitch None of these Called tube clearance Always less than the diameter of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 6.8 1.2 3.8 0.5 6.8 1.2 3.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
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