Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the Ultimate tensile strength (or yield point) of the material and operating temperature Operating pressure and welding/joint efficiency Diameter of the vessel All of these Ultimate tensile strength (or yield point) of the material and operating temperature Operating pressure and welding/joint efficiency Diameter of the vessel All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Equal to Three fourth Half 1.5 times Equal to Three fourth Half 1.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 34 6 24 18 34 6 24 18 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 5 to 10 1.5 to 2 2.5 to 5 10 to 15 5 to 10 1.5 to 2 2.5 to 5 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, elliptical dished heads Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² All of these Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² All of these Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/2 to 1/4th 1/10-1/15th 1/20-1/30th 1/5-1/10th 1/2 to 1/4th 1/10-1/15th 1/20-1/30th 1/5-1/10th ANSWER DOWNLOAD EXAMIANS APP
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