Process Equipment and Plant Design Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm. 10 20 5 30 10 20 5 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 3 Considerably less than 9 About 9 Considerably more than 9 About 3 Considerably less than 9 About 9 Considerably more than 9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Preferably flow inside the tube for its easier internal cleaning 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 Perferably flow outside the tube Preferably flow inside the tube for its easier internal cleaning 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 Perferably flow outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.25 1.75 2.5 3.5 1.25 1.75 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be √(2πd) √(2d) D √d √(2πd) √(2d) D √d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used? (0.8)0.5 0.9 0.8 1 (0.8)0.5 0.9 0.8 1 ANSWER DOWNLOAD EXAMIANS APP
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