Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 3000 5000 1000 10000 3000 5000 1000 10000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A certain pressure vessel manufacturer avoids doing reinforcements calculations for openings by always providing a reinforcing pad extending upto double the diameter of the opening and of the same material and thickness as that of the shell wall. If area compensation is accepted as a code guideline, his approach leads to safe design Only if the opening is on spherical vessel Irrespective of the shape of the vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel Only if the opening is on spherical vessel Irrespective of the shape of the vessel Only if the opening is on a vertical cylinderical vessel Only if the opening is on a horizontal cylinderical vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Stage efficiency for packed tower varies with the Type & size of packing Fluid rates and fluid properties All of these Operating pressure and column diameter Type & size of packing Fluid rates and fluid properties All of these Operating pressure and column diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if Material of construction is high alloy steel Wall thickness is > 30 mm Both B & C Plain carbon steel and cast iron parts are used Material of construction is high alloy steel Wall thickness is > 30 mm Both B & C Plain carbon steel and cast iron parts are used ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Half Twice Equal to Four times Half Twice Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger? 75% cut segmental baffle 25% cut segmental baffle Disk and doughnut baffle Orifice baffle 75% cut segmental baffle 25% cut segmental baffle Disk and doughnut baffle Orifice baffle ANSWER DOWNLOAD EXAMIANS APP
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