Process Equipment and Plant Design The minimum baffle height should be Equal to the impeller diameter Twice the tank diameter 3/4 of the tank height Twice the impeller diameter Equal to the impeller diameter Twice the tank diameter 3/4 of the tank height Twice the impeller diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for Reducing scale deposition Increasing pressure drop Creating turbulence Fixing the tubes Reducing scale deposition Increasing pressure drop Creating turbulence Fixing the tubes 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 = 3.9 Q0.45 . μ0.95 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3 Q0.36 . μ0.88 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube? Short tube vertical evaporator Horizontal tube evaporator Long tube vertical evaporator None of these Short tube vertical evaporator Horizontal tube evaporator Long tube vertical evaporator None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? Smaller dia vessel Larger dia vessel Strength of the vessel is same irrespective of the diameter Larger dia long vessel Smaller dia vessel Larger dia vessel Strength of the vessel is same irrespective of the diameter Larger dia long vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. Equal to Three fourth One fourth Half Equal to Three fourth One fourth Half ANSWER DOWNLOAD EXAMIANS APP