Theoretical Test Questions of the Moving Equipment Technology Exchange Area No. 29
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This post was last edited by yxmqh on 2009-12-8 12:23. Please hide the reply. The hiding method can be linked. http://bbs.hcbbs.com/thread-492556-1-1.html Check. Otherwise there will be no reward! Those who answer all questions correctly in the 29th issue will receive a maximum reward of 20 points of wealth. 2 Wealth/Question. Thank you everyone for participating! You can see the correct answers after hiding the reply, learn more * , communicate more, gain more! correct answer: 1. True 2. False (a safety measure) 3. True 4. False (cannot rest at high places) 5. True 6. False (performance and lifespan) 7. False (limit deviation) 8. False (uppercase hole, lowercase axis) 9. False (less transition fit) 10. False (should be fluffy) True or False question: 1. The records must be filled in promptly, accurately, objectively and truthfully, with complete content and clear handwriting. ( ) 2. Protective covers, safety valves, etc. are not safety protection facilities. ( ) 3. Female workers must wrap their long hair or braids in their work caps when working on rotating equipment. ( ) 4. Personnel working at heights are not allowed to stand on unstable structures while working, and can rest at heights. ( ) 5. The ignition point refers to the lowest temperature at which a combustible substance, under sufficient air conditions, ignites when it comes into contact with a fire source when it reaches a certain temperature, and continues to burn after the fire source is removed. ( ) 6. Tempering determines the processing performance and life of rigid parts. ( ) 7. The upper deviation and the lower deviation are collectively called the limit size. ( ) 8. The code of the basic deviation is expressed in Latin letters, with uppercase letters representing the axis and lowercase letters representing the holes. ( ) 9. According to the relative positional relationship between the hole and the shaft tolerance zone, the fit can be divided into two types: clearance fit and interference fit. ( ) 10. Graphite in malleable cast iron exists in spherical shape. ( )
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1. The records must be filled in promptly, accurately, objectively and truthfully, with complete content and clear handwriting. (∨) 2. Protective covers, safety valves, etc. are not safety protection facilities. (×) 3. Female workers must wrap their long hair or braids in their work caps when working on rotating equipment. (∨) 4. Personnel working at heights are not allowed to stand on unstable structures to work, and can rest at heights. (×) 5. The ignition point refers to the lowest temperature at which a combustible substance ignites when it reaches a certain temperature when it comes into contact with a fire source under sufficient air conditions, and continues to burn after the fire source is removed. (∨) 6. Tempering determines the processing performance and life of rigid parts. (∨) 7. The upper deviation and the lower deviation are collectively called the limit size. (∨) 8. The code of the basic deviation is expressed in Latin letters, with uppercase letters representing the axis and lowercase letters representing the holes. (×) 9. According to the relative positional relationship between the hole and the shaft tolerance zone, the fit can be divided into two types: clearance fit and interference fit. (×) 10. Graphite in malleable cast iron exists in spherical shape. (∨)
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This post was last edited by yxmqh on 2009-12-7 12:13 True False False False False False False False False False False False False False False False False False False False False False False False False False False False False False False False
true or false question: 1. The records must be filled in promptly, accurately, objectively and truthfully, with complete content and clear handwriting. (Correct) 2. Protective covers, safety valves, etc. are not safety protection facilities. (Incorrect) 3. Female workers must wrap their long hair or braids in their work caps when working on rotating equipment. (Correct) 4. Personnel working at heights are not allowed to stand on unstable structures while working and can rest at heights. (Wrong) 5. The ignition point refers to the lowest temperature at which a combustible substance can ignite when it comes into contact with a fire source when it reaches a certain temperature under sufficient air conditions, and continues to burn after the fire source is removed. (Correct) 6. Tempering determines the processing performance and life of rigid parts. (Error) 7. The upper deviation and the lower deviation are collectively called the limit size. (Correct) 8. The code of the basic deviation is expressed in Latin letters, with uppercase letters representing the axis and lowercase letters representing the holes. (Error) 9. According to the relative positional relationship between the hole and the shaft tolerance zone, the fit can be divided into two types: clearance fit and interference fit. (Incorrect) 10. Graphite in malleable cast iron exists in spherical form. ( mistake)