Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 80 180 1 8 80 180 1 8 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)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Frame thickness in the plate and frame filter press is normally in the range of __________ inches. 1 to 5 1 to 12 0.25 to 8 0.25 to 4 1 to 5 1 to 12 0.25 to 8 0.25 to 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers Both B & C 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers Both B & C 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 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 Fouling fluids Multipass shell and tube heat exchanger Double pipe heat exchanger Counter flow of hot and cold fluids Fouling fluids Multipass shell and tube heat exchanger Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 6 24 18 34 6 24 18 34 ANSWER DOWNLOAD EXAMIANS APP