技巧整合(国外英文资料).docVIP

技术整合(国外英文资料) The examination of the practice qualification exam of national registered safety engineer Safety production technology One, single choice question The use of A leaky protector is to prevent (A). A. b. electric shock accident voltage fluctuation c. d. charge overload short circuit The most effective measure to eliminate electrostatic hazard is (C). A. protection by zero b. c. insulation grounding discharge d. humidifying In the system that protects the zeros, the zero line is the middle line, usually (); Protection of the zero line is a protective conductor, usually (). If a line is both a work zero and a zero line, it is used (). C A.N, PEN, PE B.P, E, N, PEN C.N, PE, PEN D.P EN, N, PE The following dust will not cause dust explosion (C). B. a. magnesium powder pulverized coal c. d. lime dust cotton dust Most solid combustion is (C), while some solids are burning and burning with gas at the same time. A. solid liquid c. b. gas phase d. not sure The safety valve (A) of the boiler should be checked (A) once A year and the seal is in good condition. A. one b. two c. three d. four The non-destructive testing technique that is not in the special equipment is (C). A. the X-ray testing ultrasonic detection of c. b. magnetic particle testing d. acoustic emission detection Using (B), it can be used as an elevators remote management monitoring system, which can be monitored throughout the whole year and throughout the day. A. b. network line telephone line c. camera d. controller (A) the safety feature of passenger traffic is not. A. outdoor work b. the safety of wire rope is very important C) the rescue is difficult The usual way of judging the degree of water shortage is (B). C. a. b. water is called water water gauge reading d. observation The two organic components of a generalized fault diagnosis are (D). A. signal detection and status monitoring b. signal processing and status monitoring C. vibration monitoring and monitoring D The third principle of non-i