Process Equipment and Plant Design In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is None of these Called tube clearance Always less than the diameter of the tube Called tube pitch None of these Called tube clearance Always less than the diameter of the tube Called tube pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be Less than that for Tee (used as elbow, entering run) Both B and C Around 90 More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Both B and C Around 90 More than that for Tee (used as elbow, entering run) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to 2 ft irrespective of (for column > 3 ft diameter) Twice 0.6-0.8 times Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 1.5 to 2 10 to 15 5 to 10 2.5 to 5 1.5 to 2 10 to 15 5 to 10 2.5 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Perferably flow outside the tube Flow at a very slow velocity Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube Flow at a very slow velocity Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Preferably flow inside the tube for its easier internal cleaning 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 8 mm 5 mm 10 mm 6 mm 8 mm 5 mm 10 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP