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规程标准制度考试题(Regulations, standards, system, examination questions)
规程标准制度考试题(Regulations, standards, system, examination questions)
Rules, standards and system examination review questions
I. multiple-choice questions
1. the top and bottom move near the top of the fully mechanized face are calculated according to the mining height (C).
A: = 200mm/m B: = 150mm/m C: = 100mm/m D: = 100mm/m
2. a major water inrush accident refers to a sudden water inrush reaching (A) or above, causing death or more water inrush accidents.
A, 300m3/h, 3 people, B, 400m3/h, 4 people, C, 500m3/h 5 people
3. in the process of discharging gas, the gas and carbon dioxide concentration at the mixing place of the exhaust gas and the whole air pressure airflow should not exceed (B), and the return air system in the mining area must be power cut and evacuated.
A.1% B.1.5% C.2% D.3%
The distance between 4. pipelines is (B) mm.
A.100 B.300 C.400 D.500
5. vertical shaft hoisting system should be equipped with (ABCDE) 22 safety protection devices.
A. prevent over roll device; B. prevent over speed device; C. speed limiting device;
D. overload and undervoltage protection devices; E. depth indicator fail safe;
6. gas explosion condition: the ignition temperature required for igniting gas is (C).
A, 550-650C degrees, B, 550-650C degrees, C, 650-750C degrees
7. in the process of discharging gas, the gas and carbon dioxide concentration at the mixing place of the exhaust gas and the whole air pressure airflow should not exceed (B), and the return air system in the mining area must be power cut and evacuated.
A.1% B.1.5% C.2% D.3%
8. lane two advanced support requirements of single prop into line, deviation less than 100mm, spacing deviation is less than mm (C), row distance error is less than (mm).
A. + 50; + 100, B. + 100; + 150, C. + 100, + 100, D. + 150, + 150
9. the main water tank must be (AB). When one sump is cleaned, the other can continue to work.
A, main warehouse, B and warehouse
10., the wind cylinder joint strict standard is: the hand distance junction (A) m
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