Monday, July 24, 2023
问题:单选题沥青针入度试验时不会用到的仪器是()。A 干燥箱B 试验筛C 台秤D 针入度仪
Sunday, June 4, 2023
Thursday, September 22, 2022
问题:判断题砂浆分层度值是用来衡量砂浆运输和使用时的保水性能的好坏,分层度值愈大,砂浆保水性愈好,反之亦然。()A 对B 错
Thursday, September 22, 2022
问题:单选题当混凝土强度等级<60时,用非标试件200mm×200mm×200mm的试件测得的强度值均应乘以尺寸换算系数,换算系数为()。A 1.05B 0.95C 1.00D 1.10
Thursday, September 22, 2022
问题:问答题进行外加剂减水率检验时减水率是如何计算和评定的?
Thursday, September 22, 2022
问题:单选题()是影响沥青针入度测定结果的因素之一。A 升温速度B 延伸速率C 隔离剂的隔离效果D 试验温度
Sunday, September 18, 2022
Tuesday, September 12, 2023
Saturday, February 24, 2024
Friday, September 16, 2022
Wednesday, June 7, 2023
问题:单选题坍落度适用范围,坍落度在()之间,粗骨料最大粒径≤40mm。A 10~200mmB 10~220mmC 10~240mmD 10~260mm
Wednesday, September 21, 2022
问题:单选题在我国应淘汰的计量单位()。A 吨B 升C 千克力D 千克
Sunday, March 19, 2023
Wednesday, September 21, 2022
问题:判断题钢筋在做冷加工时,在一定范围内,冷加工变形越大,屈服强度提高越多,塑性和韧性降低也越多。()A 对B 错
Monday, October 3, 2022
问题:单选题下列物质中对水泥石腐蚀作用最大的是()。A 硫酸钠B 碳酸C 氯化镁D 硫酸镁
Tuesday, September 12, 2023
Monday, September 19, 2022
Tuesday, August 15, 2023
问题:单选题在正常保管情况下,水泥应至少()个月检测一次。A 1B 2C 3D 6
Monday, September 19, 2022
Wednesday, November 15, 2023