1.How many sod rolls for 20% of 5000 sq. ft. yard (1 roll=8 sq. ft.)?
1.5000 平方英尺院子的 20% 需要多少卷草皮（1 卷 =8 平方英尺）？
2.62. How many cubic yards of concrete for a 4’ slab with 100-ft circumference?
2.周长 100 英尺的 4 英尺厚的板需要多少立方码的混凝土？
3.What is the area in square feet that one roofing square of composition shingles covers?
3.一张标准屋面平方覆盖多少平方英尺？
4.If pitch is 2/5 what is x (span 20’)?
4.若屋顶坡度为 2/5，跨度 20 英尺时，x 是多少？
5.How many 20-Volt modules in series for 350V minimum?
5.至少需要多少个 20 伏特的组件串联才能达到 350 伏特？
6.Total drop for 90’ pipe with 2% slope?
6. 90 英尺长的管道，坡度 2%，总落差是多少？
7.What is the roof pitch shown in the illustration with a 12-foot rise and 24-foot span?
7.图中坡度是多少（上升 12 英尺
8.What\'s the average dead load of dry concrete with reinforcement?
8.带钢筋的干燥混凝土平均恒荷载是多少？
9.Who is authorized to install fire sprinkler systems in residential buildings?
9.谁有资质安装住宅用的消防喷淋系统？
10.Who is responsible for calculating cut and fill volumes?
10.谁负责估算挖填工程？
