Process Equipment and Plant Design When one of the fluids is highly corrosive and has fouling tendency, it should Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current Flow at a very slow velocity Preferably flow inside the tube for its easier internal cleaning Perferably flow outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always >1 1 < 1 Equal to the order of reaction >1 1 < 1 Equal to the order of reaction ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about __________ kcal/hr.m².°C. 1250 2500 15000 7500 1250 2500 15000 7500 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) E/σ Σ/E E Σ E/σ Σ/E E Σ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? 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 Smaller dia vessel Larger dia long vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder Both A & B Is easy to fabricate Has greater structural strength Neither A nor B Both A & B Is easy to fabricate Has greater structural strength Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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