Process Equipment and Plant Design In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect. 1.5 nth 0.5 nth nth (1/n)th 1.5 nth 0.5 nth nth (1/n)th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed __________ of the column diameter. 1/20-1/30th 1/2 to 1/4th 1/5-1/10th 1/10-1/15th 1/20-1/30th 1/2 to 1/4th 1/5-1/10th 1/10-1/15th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view? Pot type reactor A vapor phase reactor A liquid phase reactor A liquid phase catalytic reactor Pot type reactor A vapor phase reactor A liquid phase reactor A liquid phase catalytic reactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? 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 Smaller dia vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of down take area to cross-sectional area of the tube, for calendria type evaporator ranges from 1 to 1.5 0.5 to 1 1.5 to 2 2 to 2.5 1 to 1.5 0.5 to 1 1.5 to 2 2 to 2.5 ANSWER DOWNLOAD EXAMIANS APP
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