大工13秋《土木工程概论》谜底3(国外英文资料).doc

大工13秋《土木工程概论》答案3(国外英文资料) The introduction to civil engineering in the 13th autumn introduction to civil engineering online test 3 Exam time: 100 test time: Single topic selection Multiple choice True or false (10 questions in total, 40 points.) In the following soil materials, it is absolutely not possible to fill the soil in the form of soil filling (B). lithosol B. the permafrost C. sandy soil D. clayey soils Full marks: 4 The properties of soft soil are not included (D). A. natural porosity is large High compressibility C. natural water content is high D. the shear strength is higher Full marks: 4 The following statement on the wet loess is wrong (B). It has A large hole structure The sand is mainly sandy C. natural moisture content is close to the plastic limit D. contains a large amount of soluble salt Full marks: 4 In the construction of prestressed concrete structures, it is strictly forbidden to use cement containing (A) to prevent it from corroding the steel bar. A. chloride B. sulfide C. alkali D. the fly ash Full marks: 4 (B) in the case of the construction of running water, each professional team shall complete the work duration required for the corresponding construction tasks in each construction section. A. Water beat Flow strength D. technology break time Full marks: 4 Steel reinforced concrete precast pile should be hoisted after the concrete reaches the design strength grade (B) %. A. 60 70 B. 80 C. 90 D. Full marks: 4 The minutes of the project meeting (B). A. there is no evidence for the claim B C. can only serve as a reference for the claim D. not as a reference for the claim Full marks: 4 The following is a statement about the double codename network graph, and the error is (B). A. arrow is for work Usually the work name is written on the top (or left) of the arrow. C. write the duration of the work under the arrow (or on the right) D. In the network diagram, a connection with a double arrow is allowed Full marks: 4 The steel pipe which will c