Process Equipment and Plant Design The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/2t pd/t pd/3t pd/4t pd/2t pd/t pd/3t pd/4t 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. Hemispherical Torispherical Flat plate Ellipsoidal Hemispherical Torispherical Flat plate Ellipsoidal 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 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 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 19 38 16 28 19 38 16 28 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The function of manholes provided in the shell of a distillation column is to Guard against foaming & entrainment by dumping antifoaming agent through it All of these Give access to the individual trays for cleaning, maintenance and installation Keep a check on the liquid gradient over the plate by direct visual observation Guard against foaming & entrainment by dumping antifoaming agent through it All of these Give access to the individual trays for cleaning, maintenance and installation Keep a check on the liquid gradient over the plate by direct visual observation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 0.01 to 1 5 to 10 1.5 to 2.5 10 to 20 0.01 to 1 5 to 10 1.5 to 2.5 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
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