安检员（Screeners）.docVIP

安检员（Screeners） 20. fully mechanized support should be vertical top and bottom plate, the deflection should be less than + 7 degrees. () Answer: standard answer: X 22. fully mechanized support should be arranged in a straight line, the deviation of the center distance shall not exceed 100 mm. () Candidates answer: standard answer: B. 23. near the location of ground water underground to strengthen support, lay a solid pillar and the board, in case of high pressure water flooding and coal wall support. () Candidates answer: standard answer: B. Two, radio questions (each of the options given only one of the requirements, the option before the letter in the title after the brackets. The big question is 4 minutes, every day 1 points, a total of 4 points) 55. underground electrical machinery room, all kinds of equipment should be between () more than the channel. A. 0.3 meters, B. 0.5 meters C. 0.8 meters Candidates answer: A standard answer: C 67. methane sensors must be hung vertically, and should be no less than (from) the side walls of the roadway. A. 150 mm B. 200 mm C. 250 mm Answer: standard answer: B 72. each coal face must maintain at least one unobstructed safety exit. A. 1 B. 2 C. 3 Candidates answer: C standard answer: B 74. 、 the mine with high gas rank should adopt () ventilation. A. draw type B. press in type C. hybrid Candidates answer: C standard answer: A Three, multiple-choice questions (with two or more than two correct answers to each question, the choices given the option before the letters in brackets after the title, a few or more are not a score. The big question is 5 minutes, every day 1 points, a total of 5 points) 87., in dealing with roof fall accidents, the first thing to do is to work safely. A. strengthen roof observation, B. strengthen the support around the roof fall area C. check the gas and other harmful gases in the roof fall area. D. organize experienced personnel Candidates answer: ABD standard answer: ABCD 89., the safety measures of