【Daily Topic】【Civil Engineering Version 20160525】
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Participation reward: 2 Wealth. Reward for correct answer: 9 Wealth. Multiple-choice question: Which of the following statements regarding the construction quality of roof waterproofing projects is correct? （ ） A. There are no cracks caused by structural deformation. B. The size of the coarse aggregates in the concrete used for filling gaps in precast roof panels should not exceed 15 mm. C. When sanding the roof surface, rounded corners should be created at the joints. D. The allowable deviation value for the roof’s leveling layer should not exceed 7 mm
A. There are no cracks caused by structural deformation. B. The size of the coarse aggregates in the concrete used for filling gaps in precast roof panels should not exceed 15 mm. C. When sanding the roof surface, rounded corners should be created at the joints
A. No cracks caused by structural deformation. B. The size of the coarse aggregates in the concrete used for filling gaps in precast roof panels should not exceed 15 mm. C. When applying sand to the roof surface, rounded corners should be created at the joints
The following statements regarding the construction quality of roof waterproofing projects are correct ( abc ).