Question

1.1 (10%) The pressure drop encountered by the fluid making pass in a shell and tube heat exchanger is expressed as: a)N,EE ; b)(N, +哈1 ; c)NAL+4)쁠 Answer -- ID, 2 ID 2 1.2 (10%) At optimum water outlet temperature, a shell and tube heat exchanger for power plant cooling has the lowest: a) total cost, b) total pressure drop ; c) total thermal resistance. Answer 1.3 (10%) Shell and tube heat exchangers can be used for the following applications: a) low flow rates; b) moderate flow rates; c) high flow rates. Answer 1.4 (10%) It is recommended that the correction factor F in a shell and tube heat exchanger design should be equal or larger than: a) 0.25; b) 0.50, c) 0.75. Answer 1.5 (10%) Baffles are used in shell and tube heat exchangers to: a) support the shell and the tube s; b) direct the flow and support the tubes; c) adjust the flow rate and direct the flow. Answer C is: a) clearance between adjacent tubes; b) ratio of capacitances; c) tube pitch, baffle spacing.. xpression: a) be. Answer 1.6 (10%) A characteristic area, A, D,Can·was used in shell and tube heat exchanger analysis, where Answer ,7 (10%) In shell and tube heat exchanger, the shell fluid velocity is calculated by the following

Answer 1

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