One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 257
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Nitrogen evacuation analysis is performed before adding material. Although the nitrogen pressure is high, the acetylene content detected during this analysis remains high. The reason for this is: ( ) A. Leakage in the nitrogen evacuation valve B. Leakage in the evacuation valve C. Leakage in the flap valve of the upper storage bin D. Leakage in the flap valve of the lower storage bin. Answer: D
Nitrogen evacuation analysis is performed before feeding material. Although the nitrogen pressure is high, the acetylene content in the nitrogen evacuation analysis remains very high. Reason: (D)
I’ll guess an answer; I think it’s one of the three options, Abd
Nitrogen evacuation analysis is performed before adding material. Although the nitrogen pressure is high, the acetylene content detected during this analysis remains high. The reason is: (D) A. Leakage in the nitrogen evacuation valve B. Leakage in the evacuation valve C. Leakage in the flap valve of the upper storage bin D. Leakage in the flap valve of the lower storage bin
D. Leakage in the lower storage hopper flap valve, that is, leakage in the second hopper’s flap valve
Nitrogen exclusion analysis is conducted before adding material; although the nitrogen pressure is high, the acetylene content detected during this analysis remains very high. The reason is: ( ) D. Leakage in the flap valve of the lower storage hopper
Nitrogen evacuation analysis is performed before adding material. Although the nitrogen pressure is high, the acetylene content detected during this analysis remains high. Reasons: (D) A. Leakage in the nitrogen evacuation valve B. Leakage in the evacuation valve C. Leakage in the flap valve of the upper storage bin D. Leakage in the flap valve of the lower storage bin