Process Equipment and Plant Design Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if Both B & C Material of construction is high alloy steel Plain carbon steel and cast iron parts are used Wall thickness is > 30 mm Both B & C Material of construction is high alloy steel Plain carbon steel and cast iron parts are used Wall thickness is > 30 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Remains same Decreases Increases May increase or decrease depending upon the plate spacing Remains same Decreases Increases May increase or decrease depending upon the plate spacing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For high pressure process equipments/vessels, the connected nozzle should be Brazed Welded Flanged Screwed Brazed Welded Flanged Screwed ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Cross-partition rings Raschig rings Lessig rings All of these Cross-partition rings Raschig rings Lessig rings All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity. 45 80 95 60 45 80 95 60 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The equivalent diameter for fluid flow through a channel of constant non-circular cross section of area 'A' is given by (where, P = perimeter of the channel in contact with the fluid) √A A/P 4 A/P 4 P/A √A A/P 4 A/P 4 P/A ANSWER DOWNLOAD EXAMIANS APP