Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.75 2.5 3.5 1.25 1.75 2.5 3.5 1.25 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 Plain carbon steel and cast iron parts are used Both B & C Material of construction is high alloy steel Wall thickness is > 30 mm Plain carbon steel and cast iron parts are used Both B & C Material of construction is high alloy steel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure Decreases Increases May increase or decrease depending upon the solubility of the gas in the liquid Remains same Decreases Increases May increase or decrease depending upon the solubility of the gas in the liquid Remains same ANSWER DOWNLOAD EXAMIANS APP
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 0.1-0.2 0.35-0.75 0.4-0.6 0.55-0.85 0.1-0.2 0.35-0.75 0.4-0.6 0.55-0.85 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design Irrespective of the shape of the vessel Only if the opening is on spherical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel Irrespective of the shape of the vessel Only if the opening is on spherical vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylindrical storage tank can have a self supported conical roof, Irrespective of its diameter If its diameter is less than 15-20metres If its diameter is more than 50 meters If the thickness of the roof is more than that of the cylindrical shell Irrespective of its diameter If its diameter is less than 15-20metres If its diameter is more than 50 meters If the thickness of the roof is more than that of the cylindrical shell ANSWER DOWNLOAD EXAMIANS APP