First-Class Constructor (Mechanical and Electrical) [Daily Question] 2021.07.09
Thread Content
When the thickness of the insulation layer is greater than or equal to ( ) mm, and the thickness of the heat-insulating layer is greater than or equal to ( ) mm, two or more layers should be constructed sequentially. A、100 ； 80 B, 150 ； 100 C, 200 ； 80 D, 250 ； 100 【Correct Answer】 A 【Answer Explanation】 This question examines the preparation work and technical requirements for the installation of insulation layers. When the thickness of the insulation layer is 100 mm or more, and the thickness of the thermal insulation layer is 80 mm or more, it should be constructed in two or more layers, one layer at a time.
A. When the thickness of the insulation layer is 100 mm or more, and the thickness of the thermal insulation layer is 80 mm or more, it should be constructed in two or more layers, one layer at a time.