Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 43961 35-40 30-35 15-20 43961 35-40 30-35 15-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to a shell and tube heat exchanger. The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell The maximum unsupported tube span is generally about 75 times tube diameter, but is reduced to about 60 times for aluminium, copper & alloys of these The minimum value of baffle spacing is 50 mm Disk and doughnut baffle is the most commonly used baffle The maximum value of baffle spacing is equal to the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of the seive tray column is determined by the Hole diameter of the seive tray Lower limit of vapour velocity Height of the plate spacing Upper limit of the vapour velocity Hole diameter of the seive tray Lower limit of vapour velocity Height of the plate spacing Upper limit of the vapour velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. More than Equal to Either B or C; depends on maximum permissible internal pressure Less than More than Equal to Either B or C; depends on maximum permissible internal pressure Less than 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)0.5 0.8 1 0.9 (0.8)0.5 0.8 1 0.9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 3.5 1.75 1.25 2.5 3.5 1.75 1.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
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