规程标准制度考试题(Regulations, standards, system, examination questions).doc

规程标准制度考试题(Regulations, standards, system, examination questions).doc

  1. 1、本文档共19页,可阅读全部内容。
  2. 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
  3. 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载
  4. 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
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

文档评论(0)

jgx3536 + 关注
实名认证
内容提供者

该用户很懒,什么也没介绍

版权声明书
用户编号:6111134150000003

1亿VIP精品文档

相关文档