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 3000 1000 10000 5000 3000 1000 10000 5000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in the number of shell passes, the value of FT Remains same Remains same, only if the number of tube passes does not change Decreases Increases Remains same Remains same, only if the number of tube passes does not change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc All of these For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is None of these Always less than the diameter of the tube Called tube pitch Called tube clearance None of these Always less than the diameter of the tube Called tube pitch Called tube clearance 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 Bending Deformation Elongation Shear Bending Deformation Elongation Shear ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon Clearance Baffle spacing None of these Pitch Clearance Baffle spacing None of these Pitch ANSWER DOWNLOAD EXAMIANS APP
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