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 2.7 to 3 1.1 to 1.5 1.6 to 2 2.2 to 2.6 2.7 to 3 1.1 to 1.5 1.6 to 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 18 6 24 34 18 6 24 34 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 long vessel 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is Deformation Bending Shear Elongation Deformation Bending Shear Elongation ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Both B and C Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of less tubes in a given shell diameter Permits the use of more tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/30th 1/50th 1/20th 1/10th 1/30th 1/50th 1/20th 1/10th ANSWER DOWNLOAD EXAMIANS APP
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