Rock Strata Control Simulation Technology答案2023秋

第五章测试

1.It is necessary to comprehensively consider the stress, strain and failure of rock mass and related structures in order to fully understand the relevant laws when studying simulation models.（ ）
A:对 B:错
答案:A
2.The disadvantage of the mechanical method is that the equipment is too complicated.（ ）
A:错 B:对 3.Resistance strain gauge is the main component of electrical measurement method.（ ）
A:对 B:错 4.Moire method is a new method of experimental stress analysis. It is an optical method to measure the displacement field and strain field by using two groups of grating interference to generate displacement map.（ ）
A:对 B:错 5.Which of the following is not a type of measurement method （ ）.
A:Mechanical method B:Electrometric method C:instrumental method D:Photometric method 6.Which of the following options should not be considered in the selection of resistance strain gauge. （ ）
A:Static or dynamic load B:Long-term observation or short-term measurement C:Hardness of material D:Measure the working condition of the object 7.Which of the following methods is mechanical? （ ）
A:photographic displacement method B:laser measurement method C:level instrument measurement method D:Dial indicator method 8.Which of the following is not an advantage of the electrical method? （ ）
A:continuous measurement and recording for many times B:easy to interface with all-purpose instruments and signal processing equipment C:Simple equipment D:high measurement accuracy 9.What are the following aspects observed in the model? （ ）
A:Measurement of model deformation (relative displacement) B:Measurement of internal stress of the model C:Measurement of absolute displacement of the model D:Maximum load value of support 10.What are the advantages of the mechanical method? （ ）
A:need of power supply B:stability and security C:strong ability to resist external interference D:simple equipment