English — Forum #337 (Page 121/163)

1. Calculation of the head of the desulfurization circulation pump - HCBBS Forum
2. Yield issue - HCBBS Forum
3. Calculation of exhaust gas volume under this operating condition - HCBBS Forum
4. Knowledge on research and discussions regarding urea production - HCBBS Forum
5. Fundamentals of Manufacturing Processes (True/False Questions) 20170929 - HCBBS Forum
6. Which design institute can design a batch-type ultra-high molecular weight production plant with an annual capacity of 3,000 tons? - HCBBS Forum
7. Regarding the lithium carbonate process - HCBBS Forum
8. Questions regarding the KH-570 production process - HCBBS Forum
9. 【HVAC Version】Daily Question 20171211 - HCBBS Forum
10. Basic Process Knowledge (Multiple Choice) 20171221 - HCBBS Forum
11. Horizontal container - HCBBS Forum
12. Fundamentals of Manufacturing Processes (True/False Questions) 20171129 - HCBBS Forum
13. 【HVAC Version】Daily Question 20180114 - HCBBS Forum
14. Fundamentals of Manufacturing Processes (Single-choice Questions) 20171129 - HCBBS Forum
15. Basic Process Knowledge (True/False Questions) 20171015 - HCBBS Forum
16. Production process of sodium sulfate - HCBBS Forum
17. On the application of ground-source heat pumps - HCBBS Forum
18. Magnetic transmission - HCBBS Forum
19. Does alkaline solution absorb SO2? - HCBBS Forum
20. Issues with oil and gas recovery devices for exhaust gases in tank areas - HCBBS Forum
21. Electrical Engineering Drawing and Reading - HCBBS Forum
22. When drawing process flows, how should the simplified representation of the shell and tube sides of a heat exchanger be created? - HCBBS Forum
23. Is the estimation of the explosive limit for mixed gases correct? - HCBBS Forum
24. “Becoming an excellent process engineer – being an engineer is just the starting point, not the end goal - HCBBS Forum
25. I would like to know if there are any other methods, apart from vacuum extraction, for removing residual liquids or wastewater from train carriages - HCBBS Forum
26. 【HVAC Version】Daily Question 20171124 - HCBBS Forum
27. 【HVAC Version】Daily Question 20171025 - HCBBS Forum
28. Can’t the font be changed for this 1.3.1 either? - HCBBS Forum
29. The pressure in the catalytic cracking reaction increases, the distillation pressure soars, the pressure at the compressor inlet drops sharply, and then it returns to normal automatically - HCBBS Forum
30. Seeking advice on solving the issue of no flow in turbine flowmeters - HCBBS Forum
31. Definition of semi-open storage yard - HCBBS Forum
32. 【Hai Chuan · Pioneers of Chemistry】19 Zeng Zhaoluan——Founder of organic chemistry in China, renowned expert in defense chemistry - HCBBS Forum
33. Can the detection data from the handheld spectrometers used by the company be used as a basis for chemical analysis? - HCBBS Forum
34. Have you all used a liquid lifters? - HCBBS Forum
35. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (October 24) - HCBBS Forum
36. Breather valve on the gas station vent pipe - HCBBS Forum
37. Issues with DC positive and reverse connection - HCBBS Forum
38. 【HVAC Version】Daily Question 20171217 - HCBBS Forum
39. Concentration of stannous chloride hydrochloride solution - HCBBS Forum
40. Fruuctose-decolorizing activated carbon regeneration technology - HCBBS Forum
41. Will the steam entering the condenser go into the gas-liquid separator and then into the fan, causing a short circuit? ? - HCBBS Forum
42. Can it be determined from the PID whether a PLC or a DCS is being used? - HCBBS Forum
43. [Motive Equipment Technology Edition] Daily Question 201701028 Screw Compressor Energy Adjustment Mechanism (3) - HCBBS Forum
44. Vaporization gas bag - HCBBS Forum
45. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (November 6) - HCBBS Forum
46. 2017 Work Summary: Oil and Gas Storage and Transportation Design (Statistics completed) - HCBBS Forum
47. Hydrogen sulfide removal - HCBBS Forum
48. What are the principles of a constant-pressure water supply system and a pressure tank? Are there standards? - HCBBS Forum
49. Becoming an Excellent Process Engineer” --2--- “How to Become an Excellent Engineer?” ” - HCBBS Forum
50. 10.14 Daily Question – Open-ended question; a reward is given for every answer - HCBBS Forum
51. Principle of steam heating - HCBBS Forum
52. Should an explosion-proof wall or a regular partition wall be installed between the pyrolysis furnace and its dedicated transformer? - HCBBS Forum
53. Why are flange types with stud-pads widely used in PTA equipment? - HCBBS Forum
54. Can digital signals only be used with electric valves? Is a pneumatic valve just an analog signal? ? In what situations cannot electric valves be used instead of pneumatic ones? - HCBBS Forum
55. What is the lowest negative pressure that glass instruments can withstand? - HCBBS Forum
56. 【HVAC Version】Daily Question 20180106 - HCBBS Forum
57. I’m not sure which international engineering companies/design institutes have water-based coating process packages~ - HCBBS Forum
58. Simultaneous nitrogen and oxygen generator - HCBBS Forum
59. What is the relationship between differential pressure and flow rate? - HCBBS Forum
60. Problems with flange connections in pipes and equipment - HCBBS Forum
61. Look, what is this? - HCBBS Forum
62. Hydrogen exhaust treatment - HCBBS Forum
63. Design pressure issues for vacuum vessels - HCBBS Forum
64. Fundamentals of Manufacturing Processes (Multiple Choice) 2018021 - HCBBS Forum
65. Calculational methods for a single component in a multi-component gas phase - HCBBS Forum
66. A description of the process involving a certain chemical agent and coal tar - HCBBS Forum
67. 【HVAC Version】Daily Question 20180121 - HCBBS Forum
68. Daily Question ---------- Multiple-choice Questions on Basic Process Knowledge (October 9) - HCBBS Forum
69. [Mobile Equipment Technology Edition] Daily Question 20171011 Screw Refrigerant Compressor Assembly (3) - HCBBS Forum
70. Regarding the issue of product fractionation extraction - HCBBS Forum
71. I wonder why the exhaust gas enters and exits between the two layers of activated carbon; how is it possible to make use of these two layers of activated carbon for adsorption? ? - HCBBS Forum
72. Fundamentals of Manufacturing Processes (True/False Questions) 20171022 - HCBBS Forum
73. Basic Process Knowledge (True/False Questions) 20171013 - HCBBS Forum
74. 【HVAC Version】Daily Question 20171126 - HCBBS Forum
75. 【Daily Question】Pump Equipment Technical Exchange Edition 20180105 - HCBBS Forum
76. Which expert has an electronic version of \"Basic Data and Charts on Petroleum Refining Processes\"? - HCBBS Forum
77. Paid purchase of TCCA/SDIC production process package - HCBBS Forum
78. If the steam main is not hydrophobic and all the drain lines at the low points on the main are closed off, does this result in energy savings or a decrease in efficiency? - HCBBS Forum
79. MVR non-condensable gas emission volume - HCBBS Forum
80. 【HVAC Version】Daily Question 20171115 - HCBBS Forum
81. Styrene plant - HCBBS Forum
82. 【HVAC Version】Daily Question 20171216 - HCBBS Forum
83. 【HVAC Version】Daily Question 20171121 - HCBBS Forum
84. The boiling liquid storage tanks within the plant’s tank farm must comply with clause 6.2.5 of the petrochemical standard GB50160-2008, \"Storage of boiling liquids…\" - HCBBS Forum
85. Solve - HCBBS Forum
86. 【HVAC Version】Daily Question 20171221 - HCBBS Forum
87. Basic Process Knowledge (Multiple Choice) 20171101 - HCBBS Forum
88. 10.12 Daily Question – Short answer question; a reward is given for every correct answer - HCBBS Forum
89. 【Mechanical Equipment Technology Edition】Daily Question 20171226: Common Faults in Refrigeration Systems (3) - HCBBS Forum
90. Reconsidering who will handle the equipment layout plan, with detailed explanations - HCBBS Forum
91. Seeking help regarding heat exchangers and their condensate water utilization - HCBBS Forum
92. The exam is difficult - HCBBS Forum
93. One Question per Day ---------- Multiple-choice Questions on Basic Process Knowledge (October 10) - HCBBS Forum
94. Seek a solution - HCBBS Forum
95. I was wondering: since circular mixing tanks can have baffles installed around their edges, can baffles also be added around the edges of square tanks? - HCBBS Forum
96. Fluctuations in demineralized water during cooling cycles during hydrogen production shutdowns - HCBBS Forum
97. [Mobile Equipment Technology Edition] Daily Question 20171201 Refrigeration Equipment (3) - HCBBS Forum
98. Have the design temperature and design pressure of the production unit taken fire conditions into account? - HCBBS Forum
99. May I ask, when using sodium hypochlorite solution to absorb oxidized exhaust gases, at what value should the redox potential be maintained in order to need to replace the sodium hypochlorite? - HCBBS Forum
100. 【Traffic Rules * One Question per Day】20180121 – Feel free to participate in the “My Stories with Sports” event - HCBBS Forum