掘进技术员必知必会学习卡(Driving technician must know will be learning card).docVIP

掘进技术员必知必会学习卡(Driving technician must know will be learning card).doc

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掘进技术员必知必会学习卡(Driving technician must know will be learning card)

掘进技术员必知必会学习卡(Driving technician must know will be learning card) 1, coal mine safety regulations, the provisions of the underground per person per minute of air supply shall not be less than how much? Answer: the air supply per person per minute is not less than 4 cubic meters. 2, when the water leak occurred underground, the direction of the evacuation should be? Answer: go up, go up the direction of the mountain quickly to the next level, and along the scheduled route of disaster escape from the disaster area. 3 、 what must the tunneling technician have? A: the tunneling technician must master the basic knowledge of mining technology and one pass three prevention, and constantly improve the professional quality, and provide technical support for safety in production. 4, technicians to the scene, we must supervise what inspection? Answer: technicians to the scene, must supervise the inspection procedures, measures to honor the situation, the presence of security risks, and found problems in a timely manner arrangements. 5, technicians in mining engineering and technical management at the same time, and is responsible for the area of what technical work? Answer: one three defense work. 6, when the job site changes, what should the technician do? Answer: when the job site changes, the technician shall, according to the actual situation, formulate supplementary safety technical measures in time, and carry out the work to the staff in a timely manner. 7, what is the circulation of wind? Answer: return a local fan, some or all back into the same local fan into the wind in the wind. 8, the mining face into the air, the concentration of oxygen is not less than how much? How much carbon dioxide does not exceed? Answer: oxygen concentration is not less than 20%; carbon dioxide concentration is not more than 0.5%. 9, what ventilation should be adopted for driving tunnel? Answer: should adopt the mine whole air pressure ventilation or partial ventilator ventilation, shall not

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