单选题 313. Which of the following is NOT likely to be found in significant proportions in granular soil?(在颗粒状土中,下列哪种成分一般不会占较大比例?)

A、 Gravel(砾石)
B、 Sand(砂)
C、 Silt(粉土)
D、 Clay(黏土)
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相关试题

单选题 301. How would you best determine if a soil is expansive?(要最好地判断土壤是否为膨胀土,应如何做?)

A、 Have the soil tested(进行土壤试验/送检)
B、 Add water until saturated(加水至饱和观察)
C、 Check with the landscaping contractor(询问景观承包商)
D、 Pulverize it with a hammer while wearing safety glasses(戴上护目镜用锤子把土砸碎)

单选题 307. To determine if a wall is plumb, use a:(要判断一面墙是否垂直,应使用:)

A、 Leveling rod and transit(水准尺和经纬仪)
B、 Builder's level(建筑水准仪)
C、 Level and straight edge(水平尺配直尺)
D、 Framing square(木工方尺)

单选题 308. Stiles and rails are used on which of the following?(立柱(stiles)和横档(rails)一般用于:)

A、 Furred walls(加衬条墙/龙骨墙)
B、 Roofs(屋顶)
C、 Windows(窗户)
D、 Slabs(板)

单选题 302. When would you wet brick masonry?(在什么情况下需要浇湿砖砌体?)

A、 Never(永远不用)
B、 At any time(任何时候都行)
C、 When temperatures are above 32 degrees Fahrenheit(当温度高于32华氏度时)
D、 Before building a brick wall in warm weather(在暖和天气砌砖墙之前)

单选题 305. A Freon recovery system is required when:(在下列哪种情况下必须使用氟利昂回收系统?)

A、 Replacing a burnt-out rotor in a hermetic unit(更换密闭式压缩机内烧坏的转子时)
B、 Overhauling a rooftop A/C unit(大修屋顶空调机组时)
C、 Scrapping an old refrigeration unit(报废旧制冷机组时)
D、 All of the above(以上全部情况)

单选题 304. "Mortar joint" refers to:(“mortar joint(砂浆缝)”是指:)

A、 Wood joint(木连接缝)
B、 Asphalt joint(沥青接缝)
C、 Vertical or horizontal joint between masonry walls(砌体墙体之间的竖向或水平砂浆缝)
D、 Pittsburgh joint(匹兹堡接缝)

单选题 303. Lightweight concrete is best used for:(轻质混凝土最适合用于:)

A、 Curb and gutter(路缘石和排水沟)
B、 Second floor decking(二层楼板)
C、 First floor slab on grade(一层贴地混凝土板)
D、 Footings(基础底板/条基)

单选题 306. What is the diameter of #3 rebar?(3号钢筋的直径是多少?)

A、 1/4” (1/4英寸)
B、 3/8” (3/8英寸)
C、 1/2"(1/2英寸)
D、 3/4” (3/4英寸)