Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 20.8 None of these 2 20.2 20.8 None of these 2 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ is the determining factor for the number of bubble caps to be used per tray. Vapor load Liquid load Permissible slot velocity Tray diameter Vapor load Liquid load Permissible slot velocity Tray diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 80-100 1-5 10-20 0.1-0.5 80-100 1-5 10-20 0.1-0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Low gas velocity Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio Low gas velocity Large plate spacing Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 None of these Decrease by 22 Increase by 1.8 Increase by 21.6 None of these Decrease by 22 Increase by 1.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design LMTD correction factor is used in heat exchanger design for Counter flow of hot and cold fluids Double pipe heat exchanger Fouling fluids Multipass shell and tube heat exchanger Counter flow of hot and cold fluids Double pipe heat exchanger Fouling fluids Multipass shell and tube heat exchanger ANSWER DOWNLOAD EXAMIANS APP
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