绞车操作工试题-判断题(外国英文资料).docVIP

绞车操作工试题-判断题(国外英文资料) True or false Classification: professional knowledge The test: the explosion technology used by electric equipment such as the motor of the winch, the start button and the magnetic starter is the interstitial isolation technology. Answer: Score: 1.0 Classification: professional knowledge Test: when the surface clearance of the electrical equipment is extinguished and cooled, it can be used to prevent the explosion. Answer: Score: 1.0 Classification: professional knowledge Try: ExdI permanent pique markers with equipment, increased safety for Ⅰ class type electrical equipment. A: the wrong Score: 1.0 Classification: professional knowledge The test: the surface of the surface of the explosive surface has rust, which will not cause the equipment to explode. A: the wrong Score: 1.0 Classification: professional knowledge The test: the connection bolts of the electrical equipment and the spring gasket are not complete or loose, and the equipment will not explode. A: the wrong Score: 1.0 Classification: professional knowledge Test: the failure of the cable connection to fail or the damage of the rubber cable sheath will cause the electrical equipment to fail. Answer: Score: 1.0 Classification: professional knowledge Test: the single hole in the sealing ring shall not be used in multiple cable. Answer: Score: 1.0 Classification: professional knowledge Test: because the inner diameter of sealing ring is smaller, it can be cut open and used on cable. A: the wrong Score: 1.0 Classification: professional knowledge The test: because the inner diameter of the sealing ring is large, the sealing ring and the cable sheath can be covered with the bandage such as cotton yarn. A: the wrong Score: 1.0 Classification: professional knowledge Test: the motor is easily burned when the winch motor is insulated, aged or grounded. Answer: Score: 1.0 Classification: professional knowledge The test: the winch caused by mechanical failure caused the motor to be over-loaded or