English — Forum #337 (Page 86/163)

1. 【Daily Question】 【AC Version for Static Equipment... Question 15】 January 15, 2019 – True/False Multiple Choice Question... Healthy Longevity - HCBBS Forum
2. Methylamine production process - HCBBS Forum
3. Issues regarding the vaporization latent heat of propane - HCBBS Forum
4. In what situations are necked butt weld flanges and flat weld flanges used respectively? - HCBBS Forum
5. Oil and gas recovery, adsorption, activated carbon - HCBBS Forum
6. Production of ethyl acetate from ethanol - HCBBS Forum
7. Separation of sodium fluoride from sodium chloride - HCBBS Forum
8. cubic meter - HCBBS Forum
9. Hopper reinforcement ribs - HCBBS Forum
10. System pickling - HCBBS Forum
11. [Daily Question] Basic Process Knowledge (True/False Questions) 20190304 - HCBBS Forum
12. Piping water hammer - HCBBS Forum
13. MTBE - HCBBS Forum
14. Steam pressure pipeline - HCBBS Forum
15. Equation of the absorption equilibrium line for hydrochloric acid - HCBBS Forum
16. 【Daily Question】 【AC Version for Static Equipment...Question 98】 April 8, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
17. Seeking advice on a mixer issue - HCBBS Forum
18. What is the difference between local instruments and primary instruments? - HCBBS Forum
19. How to accurately set the pressure difference conditions for control valves/regulating valves - HCBBS Forum
20. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190109 - HCBBS Forum
21. Thoughts on Reading “Chemical Process Design” – The Process Design Framework - HCBBS Forum
22. May I ask how the steam pressure may change when water is sprayed to reduce the temperature and pressure of the steam? - HCBBS Forum
23. New process technology for treating ammonia-containing exhaust gases - HCBBS Forum
24. Basic Process Knowledge (Multiple Choice) 20181209 - HCBBS Forum
25. [Daily Question] Basic Process Knowledge (True/False) 20190306 - HCBBS Forum
26. Experts, does a mass flow meter used for measuring ethanol require temperature compensation? Is a volumetric flow meter then not needed? Thank you - HCBBS Forum
27. Interlock control instructions for cascade control systems – Process automation requirements - HCBBS Forum
28. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190123 - HCBBS Forum
29. On the production of vinyl acetate via the ethylene process and the location selection for vinyl acetate plants - HCBBS Forum
30. 【Daily Question】 【AC Version for Static Equipment...Question 25】 December 10, 2018 – True/False Multiple Choice...Enter to win a prize - HCBBS Forum
31. [Daily Question] Basic Process Knowledge (True/False) 20190328 - HCBBS Forum
32. [Daily Question] Basic Process Knowledge (Multiple Choice) 20181229 - HCBBS Forum
33. 【Daily Question】 【AC Version for Static Equipment...Question 17】 January 17, 2019 – True/False Multiple Choice Question...Double Good Luck - HCBBS Forum
34. Is there any standard specifying that control valves or instruments such as flow meters must be equipped with bypasses or valve assemblies? - HCBBS Forum
35. The device model is available; how to extract single-line diagrams and tally pipeline materials - HCBBS Forum
36. Purpose of chemical engineering design - HCBBS Forum
37. A beginner in R&D positions at a pharmaceutical company seeking help - HCBBS Forum
38. [Daily Question] Basic Process Knowledge (True/False) 20190427 - HCBBS Forum
39. What types of pipelines require bonding and static grounding? - HCBBS Forum
40. What is the installation sequence for flow meters and control valves? - HCBBS Forum
41. 【Daily Question】 【AC Version for Static Equipment...Question 06】 January 6, 2019 – True/False Question...Wish you all the best - HCBBS Forum
42. What is the notation for equipment with openings in floor slabs and small steel platforms? - HCBBS Forum
43. Design requirements for natural gas temperature - HCBBS Forum
44. Pipe diameter, flow rate, and velocity calculation table - HCBBS Forum
45. Which industries require dirty, low-temperature water? - HCBBS Forum
46. 【Daily Question】 【AC Version for Static Equipment...Question 38】 February 7, 2019 – True/False Multiple Choice Question...A Happy Family - HCBBS Forum
47. Pure sodium nitrite is classified as Category B, but how is the fire hazard category defined for its aqueous solution? - HCBBS Forum
48. Methods of transporting phosphorus sludge - HCBBS Forum
49. Need advice on the breathing valve for an ammonia tank? - HCBBS Forum
50. Basic Process Knowledge (Multiple Choice) 201812 6 - HCBBS Forum
51. Seeking advice from industry experts - HCBBS Forum
52. Liquid chlorine unloading - HCBBS Forum
53. Can BIM design replace 3D process design software? - HCBBS Forum
54. Characteristics and properties of various petrochemical units, as well as their importance - HCBBS Forum
55. Tail gas absorption for hydrochloric acid storage tanks - HCBBS Forum
56. What exactly is the problem? - HCBBS Forum
57. Hydrogen bromide gas - HCBBS Forum
58. Are there low-temperature ethane storage tanks for producing ethylene from ethane abroad? - HCBBS Forum
59. Unloading crane pipe - HCBBS Forum
60. Doubts about the design pressure of the torch water seal body and upstream and downstream equipment - HCBBS Forum
61. [Daily question] [Static Equipment Exchange Edition...Question 38] Multiple choice question on December 23, 2018...Participation will win prizes - HCBBS Forum
62. Regarding the calculation of design unit consumption - HCBBS Forum
63. Simulate software statements - HCBBS Forum
64. Regarding how efficient photo-oxidative catalytic waste gas treatment equipment really is - HCBBS Forum
65. Use and selection of check valves - HCBBS Forum
66. Thoughts on Reading “Chemical Process Design” III – Separation - HCBBS Forum
67. What pressure should be set when the pipeline is pressure-resistant and airtight? ? - HCBBS Forum
68. Polyester process - HCBBS Forum
69. Common faults and solutions for plate heat exchangers - HCBBS Forum
70. How much steam is required in the production of polyurethanes, polyether polyols, or polyester polyols? - HCBBS Forum
71. Joints of steel platform beams? - HCBBS Forum
72. Size of chemical projects - HCBBS Forum
73. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190106 - HCBBS Forum
74. [Daily Question] Basic Process Knowledge (True/False Questions) 20190303 - HCBBS Forum
75. What usually causes the flash tank of a material evaporation system to become filled with liquid? - HCBBS Forum
76. Distillation improvement - HCBBS Forum
77. Aspen Plus property simulation - HCBBS Forum
78. Product filtering consultation - HCBBS Forum
79. [Daily Question] Basic Process Knowledge (True/False) 20190412 - HCBBS Forum
80. 【Daily Question】Environmental Protection Version - Water Treatment - 20190308 - HCBBS Forum
81. Private design firms are about to face a wave of reduced qualifications or withdrawal from the market - HCBBS Forum
82. 【Weekly Topic】【Static Equipment Discussion Forum...Question 3】 December 24-31, 2018...Secondary processing issues – Sea Coin rewards - HCBBS Forum
83. Basic Process Knowledge (Multiple Choice) 20181212 - HCBBS Forum
84. What to do if flocculation does not lead to sedimentation in wastewater treatment? - HCBBS Forum
85. Are emergency ponds considered for the supporting hazardous chemical facilities involved in industry and trade? - HCBBS Forum
86. What are the requirements for water quality in water-driven systems? - HCBBS Forum
87. -What is the specific heat of chilled water at 25°C? State point? The antifreeze is propylene glycol or ethylene glycol - HCBBS Forum
88. 【Daily Question】【AC Version for Static Equipment...Question 96】April 6, 2019 Revised multiple-choice questions...Wish you a happy holiday - HCBBS Forum
89. In an ammonia refrigeration system where the evaporator is of the shell-and-tube type, are baffle plates necessary in the shell side? - HCBBS Forum
90. The tar tank does not heat up despite heating - HCBBS Forum
91. How to set up interlocks for vaporizing liquid ammonia using circulating water? - HCBBS Forum
92. Seek advice on the usage costs of chemical cooling water - HCBBS Forum
93. Understanding of chains and understanding of SIS - HCBBS Forum
94. Do senior engineers in the chemical engineering field have the qualification to audit pressure pipelines? - HCBBS Forum
95. etiolation response - HCBBS Forum
96. 【Daily Question】 【AC Version for Static Equipment...Question 50】 February 19, 2019 – True/False Question...Happy Lantern Festival - HCBBS Forum
97. Regarding water vapor in electrolytic chlorine production - HCBBS Forum
98. [Daily Question] Basic Process Knowledge (Multiple Choice) 20190218 - HCBBS Forum
99. Measures to prevent high-pressure in the kettle from leaking into low-pressure pipes - HCBBS Forum
100. There are centrifugal extractors whose theoretical stage number can reach 4 - HCBBS Forum