安全生产管理人员考试题库2007年版国家题库中国矿业大学一通三防（Safety production management examination questions database, 2007 edition, national examination database, China University of Mining and Technology, one pass, three prevention）.docVIP

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安全生产管理人员考试题库2007年版国家题库中国矿业大学一通三防（Safety production management examination questions database, 2007 edition, national examination database, China University of Mining and Technology, one pass, three prevention）.doc

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安全生产管理人员考试题库2007年版国家题库中国矿业大学一通三防（Safety production management examination questions database, 2007 edition, national examination database, China University of Mining and Technology, one pass, three prevention） Safety management personnel for examination of the 2007 edition of the National Library of China University of Mining and Technology, a three proofings.Txt this is a taboo collapse of the times, nobody stopped to you, only you stop yourself, the more you taboos have fewer achievements. Inferiority has a variety of grades, the highest level of inferiority, to boast of what they do, is a genius. The fourth part of a three, three multiple-choice questions 1. the following (ABCD) will affect the gas content of the coal seam. A. coalfield geology, B. geological structure, C. coal seam occurrence condition, D. coal metamorphism degree 2. streams can be divided according to their origin (ABC). A. gas released from the coal wall B., coal gas released from the coal seam through the seam gas near the seam, C. gas released from the D. goaf 3. which of the following fires can cause gas explosion (ABC)?. A. shooting flame B. electric appliance spark C. downhole welding flame D. explosion proof lighting lamp 4., the ignition source that can cause gas explosion is (ABCD). A. blasting fire source B. electric fire source and static fire source C. friction and impact ignition D. open flame 5. to high gas mine, in order to prevent the local fan from the risk of wind, we must use three special, two locking, three special, namely (ABC). A. dedicated transformer, B. dedicated power supply line, C. dedicated switch, D. special management 6., the method of handling the gas accumulation at the return angle of coal mining face is (ABCD). A. hang windbreak drainage B. tail roadway exhaust gas C. air duct wind D. mobile pumping drainage method 7. for the accumulation of gas in some of the caving holes in the roadway, the following (ABC) method can be used to treat the gas. A. filling met