Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. Less than One-fourth of 1.25-1.50 times 2.5 times Less than One-fourth of 1.25-1.50 times 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? Smaller dia vessel Larger dia long vessel Strength of the vessel is same irrespective of the diameter Larger dia vessel Smaller dia vessel Larger dia long vessel Strength of the vessel is same irrespective of the diameter Larger dia vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Helical type baffle Disk type baffle Flat plate extending across the wall Segmental baffle Helical type baffle Disk type baffle Flat plate extending across the wall Segmental baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger. The corrosive and fouling fluid should be preferably routed through the tubes Higher pressure fluid stream should be routed through the shell side Lower flow rate fluid should be routed through the shell side The viscous fluid should be routed through the shell side The corrosive and fouling fluid should be preferably routed through the tubes Higher pressure fluid stream should be routed through the shell side Lower flow rate fluid should be routed through the shell side The viscous fluid should be routed through the shell side 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 5 mm 8 mm 10 mm 6 mm 5 mm 8 mm 10 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of a continuous distillation column, increase in reflux ratio may result in the Greater cost for the reboiler heat supply Greater cost for the condenser coolant Lower fixed charges for the column All of these Greater cost for the reboiler heat supply Greater cost for the condenser coolant Lower fixed charges for the column All of these ANSWER DOWNLOAD EXAMIANS APP
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