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 Flat plate extending across the wall Disk type baffle Segmental baffle Helical type baffle Flat plate extending across the wall Disk type baffle Segmental baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling None of these Are easier to clean Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less Are less prone to fouling None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Around 7 Both B and C Much more than that for fully open globe valves Much less (say 2% than that for fully open globe valves) Around 7 Both B and C Much more than that for fully open globe valves Much less (say 2% than that for fully open globe valves) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The necessary wall thickness for a metallic storage vessel is a function of the 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 Ultimate tensile strength (or yield point) of the material and operating temperature ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the number of shell passes, the value of FT Increases Remains same Remains same, only if the number of tube passes does not change Decreases Increases Remains same Remains same, only if the number of tube passes does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In condenser, the cooling water is passed in the tube side in a pass arrangement, because More thinner tubes can be used It reduces heat transfer area It makes condenser compact Pressure drop is reduced More thinner tubes can be used It reduces heat transfer area It makes condenser compact Pressure drop is reduced ANSWER DOWNLOAD EXAMIANS APP
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