【单选题】【消耗次数：1】
测试混凝土静力受压弹性模量时标准试件的尺寸为（）。
①
150×150×150mm
②
40×40×160mm
③
70．7×70．7×70．7mm
④
150×150×300mm
参考答案：
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【判断题】
混凝土的轴心抗压强度是采用150mm×150mm×500mm棱柱体作为标准试件，在标准条件（温度20℃±2℃，相对湿度为95%以上）下养护28d，采用标准试验方法测得的抗压强度值。（）
①
正确
②
错误
【单选题】
纯铜销轴外圆，长度为150mm，直径为φ50h7,Ra0.8μm，适合选择下列哪个加工方案：（）。
①
粗车
②
粗车-半精车
③
粗车-半精车-精车
④
粗车-半精车-粗磨
【判断题】
我国目前采用劈裂试验方法测定混凝土的抗拉强度。劈裂试验方法是采用边长为150mm的立方体标准试件，按规定的劈裂拉伸试验方法测定的混凝土的劈裂抗拉强度。（）
①
正确
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