Process Equipment and Plant Design Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.55-0.85 0.4-0.6 0.35-0.75 0.1-0.2 0.55-0.85 0.4-0.6 0.35-0.75 0.1-0.2 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 - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Thick walled Large horizontal Tall vertical Small horizontal Thick walled Large horizontal Tall vertical Small horizontal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a Floating head tube sheet Neither A nor B Either A or B U-bend Floating head tube sheet Neither A nor B Either A or B U-bend ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 6 12 18 34 6 12 18 34 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than 3 1 3.5 2 3 1 3.5 2 ANSWER DOWNLOAD EXAMIANS APP