Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is (d1 + d2)/d1 (d1 + d2)/d2 D2/(d1 + d2) D1/(d1 + d2) (d1 + d2)/d1 (d1 + d2)/d2 D2/(d1 + d2) D1/(d1 + d2) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 40 to 50 5 to 10 15 to 30 55 to 75 40 to 50 5 to 10 15 to 30 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the 'tube pitch' is defined as the None of these Shortest distance between two adj acent tube holes Shortest centre to centre distance between adjacent tubes O.D. of the tube for square pitch None of these Shortest distance between two adj acent tube holes Shortest centre to centre distance between adjacent tubes O.D. of the tube for square pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Angled baffles are preferred in the agitation tank to control the swirling action; if the viscosity of the liquid to be mixed is about 200 poise. However, the baffle may be completely eliminated for mixing liquids having viscoisty above __________ poise. 1500 300 600 1000 1500 300 600 1000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 0.1-0.5 80-100 1-5 10-20 0.1-0.5 80-100 1-5 10-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation ANSWER DOWNLOAD EXAMIANS APP
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