Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More in case of triangular pitch as compared to the square pitch tube layout More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" Equal to the tube diameter More in case of triangular pitch as compared to the square pitch tube layout More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" Equal to the tube diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An adequate clearance between the tray and the shell wall of a distillation column is provided to Avoid back-trapping Drain the liquid from the tray when the unit is not in operation None of these Allow for thermal expansion and facilitate installation Avoid back-trapping Drain the liquid from the tray when the unit is not in operation None of these Allow for thermal expansion and facilitate installation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 2.5-3.0 10-12.5 5-7.5 15-20 2.5-3.0 10-12.5 5-7.5 15-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to 10 mm 5 mm 6 mm 8 mm 10 mm 5 mm 6 mm 8 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. Working None of these Damaging Allowable Working None of these Damaging Allowable ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 19 76 38 95 19 76 38 95 ANSWER DOWNLOAD EXAMIANS APP
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