82. If the miner's lamp goes out during underground operation, it can be disassembled and repaired on the spot. (Error) It is forbidden to disassemble miner's lamp underground.
83, miner's lamp is strictly prohibited to install other functions. (Error) If miner's lamps with other functions are installed, the normal use requirements of miner's lamps must be guaranteed.
84. Because the miner's lamp room is on the ground, it can be constructed with flammable materials. (Wrong) Buildings must be made of incombustible materials.
85, the main grounding electrode should be made of corrosion-resistant steel plate, its area shall not be less than 0.65 m2, thickness shall not be less than 5 mm (wrong) area shall not be less than 0.75m2.
86, local grounding electrode can be set in the roadway ditch or other wet places nearby. (right)
87, electrical equipment inspection, maintenance and adjustment, must be carried out by the electrical mechanic. (right)
88. Rubber cable insulation of mobile electrical equipment should be checked 1 time every quarter. (Wrong) Every month
89. Back up data such as safety monitoring and personnel position monitoring every two months. (Wrong) Once every three months.
90, it is forbidden to safety monitoring system and image monitoring system * * * with the same core optical fiber. (right)
9 1, safety monitoring equipment must have fault locking function. (right)
92. The functions of methane electric locking and wind power locking shall be tested at least twice every 15 days. (Wrong) Test at least 1 time every 15 days.
93. The safety monitoring system must have the function of uploading monitoring data in real time. (right)
94. The coal mining face return air corner methane sensor power concentration of 65438 plus or minus 0.5% or higher. (right)
95. The methane sensor alarm concentration of the return air roadway in the mining area is ≥ 1.0%. (right)
96, coal winning machine, roadheader don't have to set methane sensor. (Wrong) must be set.
97, into the well personnel don't have to carry ID card into the well. (Wrong) Must be carried.
98, the main person in charge of coal mine is the first person responsible for emergency management and accident rescue work. (right)
99, mining area should be set on the route to avoid disaster pressure air duct, the main road diameter is not less than 80 mm ... (wrong) not less than100 mm.
100, underground workers must be familiar with the use of self-rescuer and first aid facilities. (right)
10 1. When digging inclined shafts and adits under the hillside, retaining walls and flood control ditches must be built at the top and side of the wellhead. (right)
102, high gas, outburst, easy spontaneous combustion or spontaneous combustion of coal seam mines, forward mining method can be used. (Error) Forward mining method is strictly prohibited.
103, sampling inspection and pressure test must be conducted before the single hydraulic column is put into the well. (Error) The pressure test must be carried out one by one.
104, different types and properties of coal pillars can be used in the same coal mining face. (Wrong) Don't use it.
105, it is strictly prohibited to change the safety coal pillars in the industrial site, mining area, waterproof and roadway determined by the design without authorization. (right)
106. When using the roadheader, it is not necessary to put down the cutting head when stopping work and taking over. (Error) The cutting head must be grounded and the power supply must be cut off.
107, the cable of live mobile equipment should have anti-pulling device. (right)
108, the coal valve shall not be used as an eye. (right)
109, the mine does not need mechanical ventilation. (Error) Mine must use mechanical ventilation.
1 10, mine tunneling roadway must adopt full wind pressure ventilation or local ventilator ventilation. (right)
1 1 1, when the local ventilator is used for ventilation in gas emission areas and outburst coal seams, it must be drawn out. (Error) Press-in must be used.
1 12, normal local ventilator must use three special power supplies. (right)
1 13. In mines with spontaneous combustion danger, the changes of carbon monoxide concentration and gas temperature must be checked regularly. (right)
1 14, mine every two years should formulate comprehensive dust prevention measures, prevention and isolation of coal dust explosion measures and management system, and organize their implementation. (Wrong) Formulated every year
1 15, timber yard, garbage dump, etc. shall be no less than 70m away from the gas inlet wellhead. (Wrong) Not less than 80m
1 16. Temporary operation room and lounge can be built with combustible materials in the wellhead room. (Wrong) Flammable materials are strictly prohibited.
1 17. The fire-fighting material warehouse on the well should be located in the wellhead room. (Wrong) It should be located near the wellhead, not in the wellhead room.
1 18. The air compressor station must be watched when it is running. (right)
1 19, electrical equipment should not exceed the rated operation. (right)
120, mechanical and electrical cavern corridor should be kept clear, it is forbidden to irrelevant equipment and objects through. (right)