English — Forum #337 (Page 96/163)

1. Basic Process Knowledge (Multiple Choice) 20180916 - HCBBS Forum
2. Basic Process Knowledge (Multiple Choice) 20181025 - HCBBS Forum
3. 【HVAC Version】Daily Question 20180705 - HCBBS Forum
4. Why was instrument automation assigned to the process group...? - HCBBS Forum
5. How to select the pipe wall thickness? - HCBBS Forum
6. As shown in the picture, if you want to recover the water vapor at the top of the tank, what equipment should be added to the top? - HCBBS Forum
7. It’s fine to choose a slightly larger diameter for the safety valve inlet pipe, right? - HCBBS Forum
8. Specific speed of water pump - HCBBS Forum
9. Are there any experts who are familiar with the production of phenol propyl ether? - HCBBS Forum
10. Can Class A and Class B storage tanks be located in the same tank farm, divided into two groups, with one group buried and the other above ground? - HCBBS Forum
11. Can a liquid-sealed tank be used to keep the storage tank at 70-80 degrees Celsius, prevent gas from entering, and maintain a constant pressure? - HCBBS Forum
12. two-phase flow - HCBBS Forum
13. Difficulties in process design - HCBBS Forum
14. Condensate tank Steam - HCBBS Forum
15. Questions regarding the actual operations during storage and transportation - HCBBS Forum
16. Shell and tube heat exchanger - HCBBS Forum
17. ASME B31.3-2012 Process Piping (Chinese Version) - HCBBS Forum
18. How to choose a brand of freezer? - HCBBS Forum
19. Is there a temperature-composition table for butane and isobutane mixtures at certain pressures? - HCBBS Forum
20. I would like to ask the experts whether it is feasible to produce 30% glyphosate using the one-step oxygen oxidation method with bisphosphonate. - HCBBS Forum
21. How to test for reducer leakage - HCBBS Forum
22. Basic Process Knowledge (Multiple Choice) 20180816 - HCBBS Forum
23. 【Control Version】One Question per Day 20180712 - HCBBS Forum
24. Does a screw pump have self-priming capability? - HCBBS Forum
25. The pH of a certain solution is 10; the volume is 15 m?. How much hydrochloric acid is needed to neutralize its solution to a pH of 6.6? Hydrochloric acid with a main content of 30%. - HCBBS Forum
26. 【HVAC Version】Daily Question 20180707 - HCBBS Forum
27. Are the normal boiling point and initial distillation point both low? What’s the reason? - HCBBS Forum
28. Com communicator flow calculation - HCBBS Forum
29. Water quality issues in the sedimentation tank of the heat transfer medium station - HCBBS Forum
30. The company’s two 1,000-cubic-meter spherical tanks are moving to new locations” - HCBBS Forum
31. Do hydrogen production units, including PSA systems, need to comply with hydrogen station design specifications? - HCBBS Forum
32. [HVAC Version] Daily Question 20180709 (Multiple Choice) - HCBBS Forum
33. Regarding design pressure - HCBBS Forum
34. How many components are there in a mixed solution, and how can one determine the viscosity of such a mixture at a certain temperature? - HCBBS Forum
35. How many substances are present in the mixed solution, and how can one determine the saturated vapor pressure of the mixture at a certain temperature? - HCBBS Forum
36. How is the discharge temperature calculated under thermal expansion conditions? - HCBBS Forum
37. Basic Process Knowledge (Multiple Choice) 20180905 - HCBBS Forum
38. Selection of compressor - HCBBS Forum
39. Biodiesel - HCBBS Forum
40. Why must direct steam heating be used for the decomposition of the Fussam process? - HCBBS Forum
41. Basic Process Knowledge (Multiple Choice) 20180908 - HCBBS Forum
42. [Mechanical Equipment Technology Edition] Daily Question 20181120: Analysis of Radial Runout in Matched Parts - HCBBS Forum
43. I would appreciate it if the seniors here could give me some guidance – what are the components enclosed within the boxes in this P&ID diagram? - HCBBS Forum
44. Basic Process Knowledge (Multiple Choice) 20180910 - HCBBS Forum
45. Fundamentals of Manufacturing Processes (Multiple Choice) 20180802 - HCBBS Forum
46. May I ask about pipeline welding processes and the selection of welding materials, as well as how to inspect after welding and what standards to follow? - HCBBS Forum
47. Is the selection of safety valves part of the process engineering field or the instrumentation field? - HCBBS Forum
48. Discussion on Article 3.4.6 of Building Code regarding the distance between chemical flammable material equipment and buildings - HCBBS Forum
49. Selection issue of key parameters for air coolers (air design temperature) - HCBBS Forum
50. Fundamentals of Manufacturing Processes (Multiple Choice) 20180913 - HCBBS Forum
51. The catalytic incineration system for tail gases from the tank farm, vehicle loading/unloading operations, and non-condensable gases from the facility has been successfully put into operation - HCBBS Forum
52. Need advice on PID drawings - HCBBS Forum
53. Are there any temperature requirements for the gases emitted from the flare? Are the material composition and parameters for going to the torch generally specified? - HCBBS Forum
54. I would like to ask whether pumps used for transporting diesel and biofuel outdoors require explosion-proof motors - HCBBS Forum
55. Steam issue at fan outlet - HCBBS Forum
56. Basic Process Knowledge (Multiple Choice) 20180626 - HCBBS Forum
57. Technical Specifications for the Design of Process System Engineering - HCBBS Forum
58. Regarding design temperature - HCBBS Forum
59. Basic Process Knowledge (Multiple Choice) 20180909 - HCBBS Forum
60. Regulating valve discharge area - HCBBS Forum
61. Solid resin issue - HCBBS Forum
62. Is there a fan in the top gas phase of the dichloroethane storage tank to draw air out (negative pressure of -0.02 MPA)? - HCBBS Forum
63. Questions about the fluidization experiment before driving - HCBBS Forum
64. Regarding the issue of chloromethane drying - HCBBS Forum
65. What is the purpose of the level gauge connecting pipe mentioned in the specifications? ? - HCBBS Forum
66. Replacement of the chiller system - HCBBS Forum
67. May I ask how to look up the specific heat capacity, viscosity, density, thermal conductivity, etc., of various substances? - HCBBS Forum
68. Detailed Explanation of the Injection Molding Process for the 5 Major General-Purpose Plastics - HCBBS Forum
69. Low-density differential oil-water separation - HCBBS Forum
70. What is the control method for reciprocating piston compressors? - HCBBS Forum
71. Nominal pressure of reaction vessels and pipelines - HCBBS Forum
72. Is a gas mixture containing about 27%-30% hydrogen, 2-3% CO, with the remainder being mainly CO2, suitable for direct release into the atmosphere? - HCBBS Forum
73. liquid chlorine - HCBBS Forum
74. I always forget which port of the venturi tube is used for induction and which one for exhaust – is there any good way to remember this? - HCBBS Forum
75. What about the setting pressure for safety valves? - HCBBS Forum
76. The problem of the spacing of the flue reinforcement ribs, there will be prizes for replying - HCBBS Forum
77. Fundamentals of Manufacturing Processes (Multiple Choice) 20181011 - HCBBS Forum
78. Seeking help regarding technical applications in slurry filtration - HCBBS Forum
79. What do the various sets of data in the specification table for DN seamless steel pipes mean, and under what conditions should each type be chosen? - HCBBS Forum
80. Why is the boiling point of an immiscible liquid mixture lower than that of its individual components? - HCBBS Forum
81. Weld bead weld width - HCBBS Forum
82. 2-Heptane: Seeking information from domestic and international manufacturers regarding processes, production capacity, and applications - HCBBS Forum
83. Check valve, return water connector - HCBBS Forum
84. How to control the length of the material plug in the sending tank - HCBBS Forum
85. Selection of the diesel pump under this operating condition - HCBBS Forum
86. Will a flow rate of the medium inside the pipeline that is lower than the specified value affect its transportation? - HCBBS Forum
87. Check valve behind the nitrogen-sealed self-regulating valve - HCBBS Forum
88. Fundamentals of Processing Technology (Multiple Choice) 20180717 - HCBBS Forum
89. Requirements for safety valve spare parts - HCBBS Forum
90. VOCs treatment by zeolite molecular sieve rotary wheel adsorption concentration and purification device - HCBBS Forum
91. Design of the flow rate for the rainwater discharge pump - HCBBS Forum
92. Plug and socket welded wedge gate valve - A182Gr.F316 CL3000 - HCBBS Forum
93. The rupture disc is connected in series with the backpressure setting of the safety valve - HCBBS Forum
94. Sampling - HCBBS Forum
95. Basic Process Knowledge (Multiple Choice) 20180829 - HCBBS Forum
96. Let’s discuss the issue of multiple devices and structures in civil engineering drawings - HCBBS Forum
97. Which method is better for heating water? - HCBBS Forum
98. I have a question regarding the safe distance between gas transmission stations and fireworks storage facilities - HCBBS Forum
99. On the production process of 1,6-hexanediol - HCBBS Forum
100. Application of molecular sieves in alkylation units - HCBBS Forum