Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 18 12 6 34 18 12 6 34 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if Wall thickness is > 30 mm Material of construction is high alloy steel Plain carbon steel and cast iron parts are used Both B & C Wall thickness is > 30 mm Material of construction is high alloy steel Plain carbon steel and cast iron parts are used Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 12.5 30.5 5.5 45.5 12.5 30.5 5.5 45.5 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) 4 A/P 4 P/A A/P √A 4 A/P 4 P/A A/P √A ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, the minimum residence time for liquid in the downspout is about __________ seconds. 180 80 1 8 180 80 1 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure? None of these At the outer surface At the mid thickness of the cylindrical wall At the inner surface None of these At the outer surface At the mid thickness of the cylindrical wall At the inner surface ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS