The medium repair of drum shearer is generally carried out when it is used or mined above (). A. 1 month, 200,000 t.b. 6 months, 350,000 t.c. 3 months, 300,000 t.d. 5 months, 280,000 t correct answer B.
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Minor repair, medium repair, overhaul and storage of shearer-network library information
Medium repair of shearer means that after a working face is mined, the whole machine (at least the traction department) enters the well, and the mine is regularly maintained and debugged. Overhaul of shearer refers to the operation of shearer for 2 ~ 3 years. If the wear of its main parts exceeds the limit, the performance of the whole machine will generally decline, and ...
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The medium repair period of shearer is 3~6 months. () Homework test
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The medium repair of drum shearer is generally carried out when it is used for more than 6 months or when the coal mining amount is more than () t. Looking for exam questions network
The medium repair of drum shearer is generally carried out when it is used for more than 6 months or when the coal mining amount is more than () t. Reference answer: 350,000 hot questions Single choice drum shearer must be equipped with a () that can stop the scraper conveyor in the working face. A, handle b, signal device c, switch d ...
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The medium repair of drum shearer is generally carried out when it is used or mined above (). A. 1 month, 200,000 t B.6 months, 350,000 t C.3 months, 350,000 t D.5 months, 280,000 t.
The medium repair of drum shearer is generally carried out when it is used or mined above (). A. 1 month, 200,000 t B.6 months, 350,000 t C.3 months, 350,000 t D.5 months, 280,000 t Ren Xingjin 2021-0/-07 05: 44: 09 Wu Li B202/kloc-.
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The medium repair of drum shearer is generally carried out when it is used or mined above.
The answering machine of electrical safety chapter examination of coal mine superstar learning network course is realized. In the course of Superstar Learning Network, the repairman uses the big data analysis and practice chapter to test the answers, and the random process chapter to test the answers as usual. ...
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How is the maintenance period of shearer generally stipulated? Coal mine safety production network
The general maintenance period is 0.5 ~ 1 year or mining 1 ~ 2 working faces, and the output is over 350,000 tons. The overhaul period is 2 years or the coal mining capacity is 600 ~ 65438+200,000 tons.
Coal mine safety net
Multiple-choice question: The medium repair of shearer is generally carried out when the service life is more than () months or the coal mining quantity is more than 35× 104t. A.3 B_ question bank network
The medium repair of shearer is generally carried out when the service life is more than () months or the coal mining amount is more than 35× 104t. 3B 5C 6D 10
Question bank network 2020-05- 14
Maintenance and Maintenance of Hiller _ Renren Library Network
Medium repair shall be organized and implemented by the competent department of coal mine. Each period is 46 months. (3) Overhaul: Overhaul is generally carried out when the coal output reaches 80 1 10,000 t after 23 years of shearer operation. ..
Renren library 202 1-05-06
The medium repair of drum shearer is generally carried out when it is used above () or mined above () B (). A, 5 months, 280,000 tB, 1 month, 200,000 tC, 6 months, 350,000 tD, 3 months, 350,000 t fire. ...
The following description of the cash flow statement of coal mining is correct () B. What crossing case did Zhongxiu Messenger adopt that did not belong to the real business? C. There are many representative cuisines in Northeast China, such as () D. Both median percentage and mode can be used for qualitative analysis. ...
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Maintenance of Shearer-China Coal Mine Safety Production Network
According to the maintenance content, the maintenance of shearer is divided into minor repair, medium repair and overhaul. First, minor repairs to the coal winning machine After the coal winning machine is put into use, in addition to the normal maintenance of the daily maintenance class, it should be stopped for minor repairs every three months to deal with hidden dangers that may lead to serious damage in advance. ...
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Multiple-choice question: The medium repair of drum shearer is generally carried out when the use exceeds () or the mining exceeds () B (). One, five months, 280,000 t_ question bank network
The medium repair of drum shearer is generally carried out when it is used above () or mined above () B (). A, 5 months, 280,000 tB, 1 month, 200,000 tC, 6 months, 350,000 tD, 3 months, 350,000 t.
Question bank network 20 17-08-30
The medium repair of drum shearer is generally carried out when _ is used or _ is used for coal mining. Coal Mine Safety Operation-Questions and Answers on Operation Examination of Shearer (Roadheader)
The medium repair of drum shearer is generally carried out when _ is used or _ is used for coal mining. A, 1 month, 200,000 t B, 6 months, 350,000 t C, 3 months, 300,000 t D, 5 months, 280,000.
Zheng Xunyun
The medium repair period of shearer is a short answer question ().
The medium repair period of shearer is 3~6 months. () This topic is right or wrong. Please help give the correct answer and analysis, thank you! Click to view the answer. Question 2: The medium repair period of reciprocating compressor is 2 months. () This topic is right or wrong. Please help me give the correct answer and analysis. ...
Short answer questions 2022-0 1-07
The medium repair period of shearer is 3 ~ 6 months. () Problems that are easy to search in the learning contest.
The medium repair period of shearer is 3 ~ 6 months. () Whether the comprehensive inspection period is 36 months. () Yes/No The ex-factory repair cycle of international intermodal buses is 4 years, and the segment repair cycle is 1 year. () Yes or No
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The medium repair period of shearer is 3 ~ 6 months. () Go to school for skill appraisal.
The medium repair period of shearer is 3 ~ 6 months. () This topic is right or wrong. Please help give the correct answer and analysis, thank you!
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The medium repair period of shearer is 3~6 months. () Enjoy learning.
The intermediate repair period of more shearer is 3 ~ 6 months. () "The repair cycle of related problem drug storehouse is 1 year. () The maintenance period of long rail car section is 1.5 years. () The maintenance cycle of acid-base tank car is 1 year. () The repair cycle of U6lw and U6 1wz cement depots is 1 year. ()C6 1，C76A， ...
Shangxueba
How is the maintenance period of shearer generally stipulated? My coal net
Answer: The maintenance of shearer is divided into general maintenance and overhaul. General maintenance can be divided into minor repairs and medium repairs. The general maintenance period is 0.5 ~ 1 year or mining 1 ~ 2 working faces, and the output is over 350,000 tons. The overhaul period is 2 years or the coal mining capacity is 600 ~ 65438+200,000 tons. Reduce coal. ...
My coal net 2020-05-07
Multiple choice questions: The medium repair of drum shearer is generally carried out when it is used above () or when it is used for coal mining above (). A, 1 month; 200,000 t B, 6 _ question bank network
The medium repair of drum shearer is generally carried out when using above () or mining above (). A, 1 month; 200,000 TB in 6 months; 350,000 TC for 3 months; 300,000 tD, 5 months; 280,000 tons
Question bank network 20 18-02-0 1
How is the maintenance period of shearer generally stipulated-Baidu Library
How is the maintenance period of shearer generally stipulated? 3.8 minutes 0 download 863 reading 2 coal mine mechanical and electrical equipment maintenance cycle 4. 1 minute 205 download 4,783 reading 3 coal winning machine maintenance management system 4.7 minutes 7 download 32 reading 4 coal mine mechanical and electrical equipment maintenance cycle 3.5 minutes 37 download 944. ...
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