Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 1000 3000 10000 5000 1000 3000 10000 5000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Aluminium Carbon steel Copper Stainless steel Aluminium Carbon steel Copper Stainless steel 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 Smaller dia vessel Larger dia vessel Larger dia long vessel Strength of the vessel is same irrespective of the diameter Smaller dia vessel Larger dia vessel Larger dia long vessel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 2.2 to 2.6 1.1 to 1.5 1.6 to 2 2.7 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line) S₁.S₂ S₁/S₂ 1/S₁.S₂ S₂/S₁ S₁.S₂ S₁/S₂ 1/S₁.S₂ S₂/S₁ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8"). Equal to Half Three fourth 1.5 times Equal to Half Three fourth 1.5 times ANSWER DOWNLOAD EXAMIANS APP
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