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bg4.png [Daily question] [Static Equipment Exchange Edition...Question 141] Multiple choice question on May 21, 2019... All the best......................................................................................Answers (single-choice, single-choice) please fill in each in order. Examine the knowledge points of GB/T 151-2014 heat exchangers. Bonus rules: Participation will reward you with 3 wealth, and correct answers will reward you with 5 wealth. .................................................................................1. The channel in which the medium flows through the heat exchange tube and the part connected with it is called (). A. Shell process ； B. Management ； ---------------------2. The number of times the medium moves back and forth along the length of the heat exchange tube in the shell side is called (). A. Number of shell passes ； B. Number of pipes ； ---------------------Answer: (Investigating the knowledge points of GB/T 151-2014 heat exchangers) 1. B 2. A Tubeside&shellside a) Tube side - the medium flows through the channel in the heat exchange tube and the portion that communicates with it. b) Shell side - the medium flows through the channel outside the heat exchange tube and the parts connected with it. c) Number of tube passes, Nt, - the number of times the medium travels back and forth along the length of the heat exchange tube. d) Shell side number Ns, - the number of times the medium moves forward and back along the length of the heat exchange tube in the shell side.