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 0.4-0.6 0.35-0.75 0.1-0.2 0.55-0.85 0.4-0.6 0.35-0.75 0.1-0.2 0.55-0.85 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 U-bend Either A or B Neither A nor B Floating head tube sheet U-bend Either A or B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure. Torispherical Flat plate Ellipsoidal Hemispherical Torispherical Flat plate Ellipsoidal Hemispherical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 1 to 1.5 2 to 2.5 1.5 to 2 0.5 to 1 1 to 1.5 2 to 2.5 1.5 to 2 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area) Aa = Sa Aa = 1.5 Sa 1.2 Aa = 1.2 Sa Sa = 1.5 Aa Aa = Sa Aa = 1.5 Sa 1.2 Aa = 1.2 Sa Sa = 1.5 Aa ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm. 5 to 7 0.1 to 2 8 to 15 3 to 8 5 to 7 0.1 to 2 8 to 15 3 to 8 ANSWER DOWNLOAD EXAMIANS APP
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