2020 Mining Science(China University of Mining and Technology) 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-12-09到2021-12-31
本篇答案更新状态:已完结

Chapter1 Introduction Unit quiz

1、 问题:In 2018, the total output of six coal enterprises with a coal output of more than 100 million tons accounted for (    )% of the total output of China.
选项：
A:29
B:45
C:63
D:50
答案: 【29】

2、 问题:1toc refers to 1 ton standard coal. So how many kilocalories is the heat generated by the complete combustion of 1 kg standard coal？ (     )
选项：
A:7000
B:8000
C:5000
D:10000
答案: 【7000】

3、 问题:In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is (     ).
选项：
A:oil
B:coal
C:renewable energy
D:natural gas
答案: 【coal】

4、 问题:According to the national coal resource potential evaluation, the total amount of resources explored in China is (     ).
选项：
A:2.02 trillion tons
B:1.32 trillion tons
C:3.82 trillion tons
D:5.62 trillion tons
答案: 【2.02 trillion tons】

5、 问题:At present, the world’s major fossil energy sources include (     ).
选项：
A:coal
B:oil
C:natural gas
D:geothermal
答案: 【coal;
oil;
natural gas】

6、 问题:Which of the following are common energy units? (     )
选项：
A:tce
B:toe
C:kW
D:MW
答案: 【tce;
toe】

7、 问题:Which of the following are secondary energy sources? (     )
选项：
A:electric power
B:gasoline
C:residual heat of power plant
D:coal
答案: 【electric power;
gasoline;
residual heat of power plant】

8、 问题:Coal can be used more cleanly. Supercritical coal-fired power generation technology has been successfully studied, which can achieve nearly zero emissions.
选项：
A:正确
B:错误
答案: 【正确】

9、 问题:In the future, China’s energy consumption will still be dominated by fossil energy, in which coal is the main energy.
选项：
A:正确
B:错误
答案: 【正确】

10、 问题:Rich in coal, abundant in oil and gas, while coal is the most important basic energy and raw material in China.
选项：
A:正确
B:错误
答案: 【错误】

11、 问题:For many years, coal has accounted for more than 60% of China’s total energy consumption. Although it fell to 59% in 2018, coal is still the main energy to maintain national energy security.
选项：
A:正确
B:错误
答案: 【正确】

12、 问题:In 2018, coal accounted for     % of the world’s energy consumption.
答案: 【27】

13、 问题:Coal industry will be upgraded from labor-intensive to technology intensive, and develop into a new industry with            characteristics.
答案: 【high-tech】

14、 问题:Coal industry must take the road of green,          and safe mining.
答案: 【intelligent】

15、 问题:In 2018, if China’s accumulated explored coal reserves are divided into eastern, central and western regions by geographical location, the most explored coal reserves are in the            region.
答案: 【western】

【作业】Chapter1 Introduction Unit assignment

1、 问题:Why do we say that in a certain period of time in the future, China’s energy will still be dominated by coal?
评分规则: 【 The characteristics of energy occurrence in China are rich in coal, lack of oil and gas; (3 points)Among the fossil energy sources such as oil, natural gas and coal, the price of coal is the lowest, which meets the needs of China’s development stage; (3 points)Compared with coal, the reserves and prices of renewable energy are not dominant; (2 points)Coal itself can be used cleanly.(2 points)
】

Chapter 2 The basic concept of mining Unit quiz

1、 问题:Which of the following statements about the advantages of longwall system mining method is incorrect? (      )
选项：
A:Suitable for coal seam with good mining conditions
B:Easy to adopt fully mechanized mining technology
C:High recovery rate
D:Can be widely used in coal seams with different thickness, dip angle and surrounding rock conditions
答案: 【Suitable for coal seam with good mining conditions】

2、 问题:Which of the following is not a long wall system mining method divided by goaf treatment method? (     )
选项：
A:Room and pillar mining method
B:Caving mining method
C:Coal mining method with knife pillar (coal pillar support)
D:Backfilling mining method
答案: 【Room and pillar mining method】

3、 问题:Which of the following is not a vertical roadway? (     )
选项：
A:Rise
B:Shaft
C:Concealed shaft
D:Draw shaft
答案: 【Rise】

4、 问题:Which of the following indicators is not belong to mine size? (     )
选项：
A:Dip angle
B:Strike length
C:Tilt width
D:Minefield area
答案: 【Dip angle】

5、 问题:The mining block with independent production system divided along the strike in the stage is called (   ).
选项：
A:Mining district
B:Stage
C:Strip district
D:Section
答案: 【Mining district】

6、 问题:Stages can be further divided into(     ).
选项：
A:Mining district
B:Panel
C:Strip district
D:Section
答案: 【Mining district;
Panel;
Strip district】

7、 问题:Which of the following belong to the development roadway? (     )
选项：
A:Main Shaft
B:Haulage main roadway
C:Main cross-cut
D:District rise
答案: 【Main Shaft;
Haulage main roadway;
Main cross-cut】

8、 问题:Which of the following belong to the development roadway? (     )
选项：
A:Headentry
B:Tailentry
C:Open-off cut
D:District cross-cut
答案: 【Headentry;
Tailentry;
Open-off cut】

9、 问题:The room coal pillar is recovered after the completion of the mining of the coal house. This mining method is called the room mining method.
选项：
A:正确
B:错误
答案: 【错误】

10、 问题:The six systems of underground safety avoidance include: monitoring and controlling system, underground personnel positioning system, underground emergency avoidance system, mine pressured air self-rescue system, mine water supply rescue system and mine communication system.