With machine repairman exams1, the steel strip machine maintenance overhaul operation order of protection?A: (1) the protection of flexibility checked one by one. (2) identify problems in time. (3) maintenance records left.2, the underground repair electrical equipment, are not allowed to charged overhaul relocation of electrical equipment, but not fire operations why?A: prevent sparks caused by gas explosion.3, automatic parking security device installation location is the limit?A: from the servant section two meters in front of the end of the installation.4, coal unloading port should be installed?A: the coal unloading port should be installed to prevent officers crashed into the coal bunker facilities, the installation of the protection device Mancang.5, strip machine running speed shall not exceed the number of meters per second?A: the strip machine running speed per second shall not exceed no more than 1.8 meters.6, the strip above or below the staff at what signs should be located?A: The strip above or below the staff should be located at the lighting or sound and light signals. 7, what protection should be located anywhere in the strip head-to-tail?A: the steel strip nose to tail anywhere outage protection device should be set up emergency lights.8, the plug length of the wire rope is not less than the number of times the rope diameter?A: The length of not less than 1,000 times the diameter of the wire rope wire rope connectors.9 should be set to the coal feeder belt conveyor between the device?A: to interlock device shall be located between the coal feeder belt conveyor.10, the distance between the high and low voltage cables should be greater than the number? A: underground, low-voltage cable to be located in the same side of the roadway, the distance between the high and low voltage cable should be greater than 0.1 m.11, automatic parking security device installation location is the limit?A: The installation location is at a distance of the servant sections not end in front of 2 meters installed.12, strip belt out with the main reason?A: steel strip the machine belt out with the two main reasons: (1) Belt local overload (2) Tuosheng-round damage.13 maintenance personnel with drag rope round ride steel strip machine needs attention?A: drag sheave rope tied fixed in personnel-carrying hand neck stabbing incident in order to avoid running round.14 for steel strip machine rope belt?A: strip machine rope belt must remain intact, reliable, must be designated time and maintenance, and maintains records.15, for the the belt maintenance personnel requirements are those?A: and strip belt maintenance staff on duty that's constantly checking found hidden in immediately.16, the belt conveyor and what protection should be installed?A: (1) overspeed protection. (2) over-current and under-voltage protection. (3) protection of wirerope conveyor belt off slot. (4) conveyor belt the local overload protection. (5) tensioning car to reach the terminal floor protection and tension hammer.17 gas accident, emergency Escaping What are the methods?A: (1) rapidly transferred to a single entry (best rock Lane), close the local fan, cut off the power to block the entrance. (2) can not evacuees suspension miner's in the evade Location tunnel mouth, banging pipes, rails and other tools or timing sent SOS signal, waiting for rescue. (3) Escaping location if pressure duct can be managed to open, in order to transport the fresh air. (4) No other roadway to avoid pay attention to the direction of the blast wave, threw himself face down along its direction, in the ditch, blocking the mouth and nose with a wet towel, After the explosion wave past, facing the direction of flow quickly evacuated to a safe place. (5) by the invasion of harmful gases or smoke, you must immediately put on self-help.18, the roadway roof fall omen occurs mainly what?A: (1) roof beep. (2) the dregs, roof leakage. (3) The roof cracks. (4) The roof appears abscission (5) pour increased water19 measures to prevent gas explosions is it?A: enhance ventilation to prevent the accumulation of gas, strengthen inspection and put an end to the open flame, and enhance gas drainage, strengthening the monitoring and control.20, job Location gas concentration reaches 1%, 1.5%, how should I do?A: prohibited when the gas concentration reaches 1% charge, blasting, coal drill drill, start up or maintenance of electrical and mechanical equipment. Face and return air side of the power supply must be cut off when the gas concentration reaches 1.5%, work stoppage, the withdrawalof personnel, to report.。