Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd Πd/4P² (P² - πd²/4)/πd 4(P² - πd²/4)/πd 4P²/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the Both A & B Higher structural strength None of these Lowest surface area requirement for a given volume Both A & B Higher structural strength None of these Lowest surface area requirement for a given volume ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its Low cost Non-corrosive condensate High film co-efficient High latent heat Low cost Non-corrosive condensate High film co-efficient High latent heat ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the All of these Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply All of these Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ tray arrangement is recommended for distillation column having diameter upto 4 ft. Radial flow Cross flow Split flow Cascade Radial flow Cross flow Split flow Cascade ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? 0.8 0.9 1 (0.8)0.5 0.8 0.9 1 (0.8)0.5 ANSWER DOWNLOAD EXAMIANS APP
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