1、several group number, then with b a, =c,c is is methyl b two vertical box between of accurate size. Per-23 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for

2、 measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line distance for a, to b vertical box distance for b, list can measuredseveral group number, then with b a, =c,c is is methyl b two vertical box betwe

3、en of accurate size. Per-23 measurement, such as proceeds of c values are equal and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid e

4、rrors, specific method is from baseline to methyl vertical box center line distance for a, to b vertical box distance for b, list can measuredseveral group number, then with b a, =c,c is is methyl b two vertical box between of accurate size. Per-23 measurement, such as proceeds of c values are equal

5、 and equal to the design value, then the vertical installation accurate. For example a, b, and c valueswhile on horizontal vertical errors for measurement, General in iron angle code bit at measurement level points grid errors, specific method is from baseline to methyl vertical box center line dist

6、ance for a, to b vertical box distance for b, list can measured大工16春建筑材料在線作業(yè)3一、判斷題（共 13 道試題，共 52 分。）1. 在鋼材中加入合金元素，目的是為了使鋼具有更優(yōu)異的性能。A. 錯誤B. 正確正確答案：B2. 燒結(jié)普通磚的抗風(fēng)化性能與磚的使用壽命密切相關(guān)。A. 錯誤B. 正確正確答案：B3. 石膏不可以作為膠凝材料用于砂漿中。A. 錯誤B. 正確正確答案：A4. 紙面石膏板按其用途分為普通紙面石膏板和耐酸紙面石膏板兩類。A. 錯誤B. 正確正確答案：A5. 抹面砂漿與砌筑砂漿的組成材料基本相同。A. 錯誤B

7、. 正確正確答案：B6. 鋼材的含氮量對鋼材的焊接性能影響最大。A. 錯誤B. 正確正確答案：A7. 焊接結(jié)構(gòu)應(yīng)該選用含碳量較低的氧化轉(zhuǎn)爐或平爐的鎮(zhèn)靜鋼。A. 錯誤B. 正確正確答案：B8. 沸騰鋼要比鎮(zhèn)靜鋼質(zhì)量好，脫氧更充分。A. 錯誤B. 正確正確答案：A9. “Q345”是低合金高強(qiáng)度結(jié)構(gòu)鋼的牌號。A. 錯誤B. 正確正確答案：B10. 低合金高強(qiáng)度結(jié)構(gòu)鋼是在碳素結(jié)構(gòu)鋼的基礎(chǔ)上加入總量小于5%的合金元素而形成的鋼種。A. 錯誤B. 正確正確答案：B11. 石灰可以用作拌制砂漿的膠凝材料。A. 錯誤B. 正確正確答案：B12. 砂漿與混凝土的不同之處在于沒有粗骨料，因此有關(guān)混凝土的各種基本

8、規(guī)律，大都不適合于建筑砂漿。A. 錯誤B. 正確正確答案：A13. 對有防水和防潮有要求的部位應(yīng)采用石灰砂漿。A. 錯誤B. 正確正確答案：A 大工16春建筑材料在線作業(yè)3二、單選題（共 5 道試題，共 30 分。）1. 伸長率是衡量鋼材（）的指標(biāo)。A. 脆性B. 彈性C. 塑性D. 硬度正確答案：C2. 燒結(jié)普通磚的標(biāo)準(zhǔn)尺寸為（）。A. 238mm115mm53mmB. 240mm115mm53mmC. 238mm115mm55mmD. 240mm115mm55mm正確答案：B3. 磚在砌筑前必須澆水潤濕的目的是（）。A. 提高磚的強(qiáng)度B. 提高砂漿的強(qiáng)度C. 提高砂漿的粘結(jié)力D. 便于施工正確答案：C4. 新拌砂漿的流動性用（）來測定。A. 分層度測試儀B. 稠度測定儀C. 針入度儀D. 貫入度儀正確答案：B5. 鋼材隨時間的延長，強(qiáng)度、硬度提高，而塑性、沖擊韌性下降的現(xiàn)象稱為（）。A. 徐變B. 時效C. 陳伏D. 屈服正確答案：B 大工16春建筑材料在線作業(yè)3三、多選題（共 2 道試題，共 18 分。）1. 下列材料中，可以作為燒結(jié)多孔磚主要原料的有（）。A. 黏土B. 頁巖C. 煤矸石D. 粉煤灰正確答案：ABCD2. 鋼材按化學(xué)成分分為（）幾類。A. 碳素鋼B. 鎮(zhèn)靜鋼C.