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 7.5-10.0 1.5-2.5 44119 3.5-5.5 7.5-10.0 1.5-2.5 44119 3.5-5.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 15-20 43961 35-40 30-35 15-20 43961 35-40 30-35 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to 25 cms 40% of the I.D. of the shell 5 cms I.D. of the shell 25 cms 40% of the I.D. of the shell 5 cms I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from 4 to 8 3 to 5 2 to 3 6 to 12 4 to 8 3 to 5 2 to 3 6 to 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Equal to Three fourth Half 1.5 times Equal to Three fourth Half 1.5 times ANSWER DOWNLOAD EXAMIANS APP
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