Rock Strata Control Simulation Technology答案2023秋

第一章测试

1.Strata control simulation technology is divided into laboratory equivalent material simulation and numerical simulation.（ ）
A:错 B:对
答案:B
2.The similarity simulation method has the advantages of intuitionistic, simple, economical, rapid and short experiment period.（ ）
A:错 B:对
答案:B
3.Mining engineers are more concerned about the problem can be basically divided into two categories: the control of the surrounding rock and the control problem of the roadway’s surrounding rock.（ ）
A:对 B:错
答案:A
4.Simulation research has certain limitations, because the mechanical properties of rock mass and the law of ore pressure activity are complicated, and it is difficult to simulate them completely and accurately. （ ）
A:对 B:错
答案:A
5.What are the characteristics of similar simulation technology （ ）.
A:Take a long time B:Accuracy C:Objectivity D:Intuitive
答案:D
6.Which of the following is not a common numerical method （ ）.
A:The infinite element method B:Finite difference method C:The boundary element method D:The finite element method
答案:A
7.In the simulation study of rock formation control, the following option is not the role of simulation experiment （ ）.
A:Accurate and complete simulation of ore pressure activity B:Save manpower, material resources and working hours C:It provides valuable reference data for industrial test D:To solve some rock mass pressure problems which cannot be solved by theoretical analysis method at present
答案:A
8.Which of the following is not an indication of the importance of physical simulation techniques（ ）.
A:Solve specific complex problems. B:Numerical simulation results often need to be compared or verified with similar simulation results. C:Modern technology represented by electronic computers makes physical simulation technology more reliable. D:Physical simulation technology can accurately and completely simulate the law of ore pressure activity
答案:D
9.In recent years, with the continuous improvement of engineering design and scientific research requirements and the rapid development of computer computing capability, numerical mechanical analysis has become a conventional means to solve complex engineering analysis problems. Its main functions are shown in the following aspects （ ）.
A:Increased engineering and product reliability B:Increased engineering and product costs C:To study the internal mechanics mechanism of engineering problems D:Identify potential problems during the engineering and product design phases
答案:ACD
10.In civil engineering, transportation, mining engineering, water conservancy and hydropower and other fields, the materials involved have （ ） and other characteristics.
A:Species diversity B:The irregularity of geometric forms C:scarcity D:Medium form pluralism
答案:ABD