Rock Strata Control Simulation Technology答案2023

第二章测试

1.According to the characteristics of similarity phenomenon, similarity can be divided into physical similarity and mathematical similarity.（ ）
A:对 B:错
答案:A
2.The model is an artificially shaped entity in the laboratory for studying the mechanical properties of the prototype, which is an approximation of the prototype.（ ）
A:对 B:错 3.Physical phenomena and laws are related to the units of measurement chosen.（ ）
A:对 B:错 4.The first theorem of similarity and the second theorem of similarity are the properties after similarity, which are sufficient conditions for similarity of phenomena.（ ）
A:错 B:对 5.When using （ ） to guide model research, the first important thing is to derive the similarity criterion.
A:The first theorem of similarity B:The second theorem of similarity C:The third theorem of similarity D:Single valued condition 6.Which of the following does not belong to the category of geometric similarity （ ）.
A:area B:volume C:bulk density D:Length 7.Which of the following does not belong to the basic dimension unit of a quality system （ ）.
A:[L] B:[F] C:[T] D:[M] 8.The similarity criterion can be regarded as （ ）.
A:variable B:1 C:constant D:invariant 9.Which of the following is the fundamental dimension unit of a force system（ ）.
A:[F] B:[L] C:[T] D:[M] 10.The following belonging to the category of single-valued conditions are （ ）.
A:boundary conditions B:medium conditions C:initial conditions D:Geometric conditions