【Daily Topic】【Civil Engineering Version 20160115】
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Multiple-choice question: Regarding the installation of high-strength bolts in steel structures, which of the following statements are correct? A. It should proceed from the area with higher stiffness toward the unrestrained free end. B. It should proceed from the unrestrained free end toward the area with higher stiffness. C. It should start from the middle of the bolt group and work outward, tightening each bolt one by one. D. It should start from the periphery of the bolt group and move inward, tightening each bolt one by one. E. The initial tightening, secondary tightening, and final tightening of high-strength bolts in the same joint should be completed within 24 hours
Regarding the installation of high-strength bolts in steel structures, the correct statements are (ac). A. It should proceed from the area with high stiffness toward the unrestrained free end. C. It should start from the middle of the bolt group and work outward, tightening each bolt one by one
Regarding the installation of high-strength bolts in steel structures, the correct statements are (ACE). A. It should proceed from the area with higher stiffness toward the unrestrained free end. B. It should proceed from the unrestrained free end toward the area with higher stiffness. C. It should start from the middle of the bolt group and work outward, tightening each bolt one by one. D. It should start from the periphery of the bolt group and move inward, tightening each bolt one by one. E. The initial tightening, secondary tightening, and final tightening of high-strength bolts in the same joint should be completed within 24 hours
Regarding the installation of high-strength bolts in steel structures, the correct statements are (A C E). A. It should proceed from the area with higher stiffness toward the unrestrained free end. B. It should proceed from the unrestrained free end toward the area with higher stiffness. C. It should start from the middle of the bolt group and work outward, tightening each bolt one by one. D. It should start from the periphery of the bolt group and move inward, tightening each bolt one by one. E. The initial tightening, secondary tightening, and final tightening of high-strength bolts in the same joint should be completed within 24 hours
Regarding the installation of high-strength bolts in steel structures, the correct statements are (A C E). A. It should proceed from the area with higher stiffness toward the unrestrained free end. B. It should proceed from the unrestrained free end toward the area with higher stiffness. C. It should start from the middle of the bolt group and work outward, tightening each bolt one by one. D. It should start from the periphery of the bolt group and move inward, tightening each bolt one by one. E. The initial tightening, secondary tightening, and final tightening of high-strength bolts in the same joint should be completed within 24 hours
A, C, E,-------------------------------------------------
Regarding the installation of high-strength bolts in steel structures, the correct statements are (ACE). A. It should proceed from the area with higher stiffness toward the unrestrained free end. B. It should proceed from the unrestrained free end toward the area with higher stiffness. C. It should start from the middle of the bolt group and work outward, tightening each bolt one by one. D. It should start from the periphery of the bolt group and move inward, tightening each bolt one by one. E. The initial tightening, secondary tightening, and final tightening of high-strength bolts in the same joint should be completed within 24 hours