Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is < 30 < 7 > 20 < 50 > 7 < 15 < 30 < 7 > 20 < 50 > 7 < 15 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. Decrease by 22 None of these Increase by 21.6 Increase by 1.8 Decrease by 22 None of these Increase by 21.6 Increase by 1.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 2.5 5 12.5 17.5 2.5 5 12.5 17.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles may be eliminated for None of these Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) None of these Large diameter tanks Low viscosity liquids (< 200 poise) High viscosity liquids (> 600 poise) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Less Same Cither A or B; depends upon the I.D. of the pipe More Less Same Cither A or B; depends upon the I.D. of the pipe More ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dt)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dh)/ph (ph - dt)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS