【判断题】【消耗次数:1】
对一批牌号为Q235的钢筋进行抽检,钢板厚度为20mm,得到各试样的屈服强度检测值分别为:227.5MPa、220.3MPa、222.0MPa、225.8MPa、229.3MPa;钢筋拉断后伸长率分别为:21%、20%、23%、27%、31%。该批钢筋为带肋钢筋。()
正确
错误
参考答案:
复制
纠错
相关题目
【单选题】 水泥胶砂强度试验三条试体28天抗折强度分别为7.0MPa,9.0MPa,7.0MPa,则抗折强度试验结果为
①  7.0MPa
②  8.4MPa
③  7.9MPa
④  8.7MPa
【判断题】 钢筋弯折的弯弧内直径规定:335MPa级、400MPa级带肋钢筋,不应小于钢筋直径的4倍
①  正确
②  错误
【多选题】 常用的应力单位是兆帕(MPa),1MPa=()。
①  103Pa
②  106Pa
③  109Pa
④  D 1kg/平方厘米
⑤  1kg/平方厘米
【单选题】 钢筋拉伸后的长度是1000mm,拉伸了50mm, 则该钢筋的伸长率是多少?
①  4.8%5%
②  5.3%
③  10%
【单选题】 有湿空气的压力为0.106MPa,干空气分压为0.082MPa,若同温度下饱和水蒸气分压为0.062MPa,则此湿空气的相对湿度为 ( )。
①  22.6%
②  38.7%
③  58.5%
④  75.6%
【单选题】 有湿空气的压力为0.106MPa,干空气分压为0.082MPa,若同温度下饱和水蒸气分压为0.062MPa,则此湿空气的相对湿度为 ( )。
①  22.6%
②  38.7%
③  58.5%
④  75.6%
【判断题】 静置设备设计压力值(P)的范围中,正确的是中压设备:1.6MPa≤P<10MPa
①  正确
②  错误
【单选题】 现浇钢筋混凝土结构层高及全高的允许偏差分别为:( )
①  ±5mm、±15mm
②  ±10mm、±30mm
③  5mm、15mm
④  10mm、30mm
【单选题】 设计压力在1.6Mpa和10Mpa之间的压力容器属于( )。
①  低压容器
②  中压容器
③  高压容器
④  超高压容器
【判断题】 钢筋弯起点位置允许偏差是20mm。
①  正确
②  错误
随机题目
【单选题】 A: Hello, this is Bill. Id like to speak with Mr Wang, please. B: [填空]
①  Who is speaking over there?
②  Sorry, he is not available at the moment.
③  Can you tell me who you are?
④  Theres no one here by that name.
【单选题】 A: [填空]? B: Its Monday.
①  What day is it
②  Whats the date today
③  Whats the time
④  What time is it
【单选题】 A: I must apologize to you for the delay. B: [填空].
①  Thats all right
②  No trouble at all
③  All the best
④  You are welcome
【单选题】 A: [填空]? B: He teaches maths in a school.
①  What does your brother want to do
②  Who is your brother
③  What is your brother
④  Where is your brother now
【单选题】 A: Im so worried about Mondays exam. B: Dont worry. [填空].
①  Relax
②  Just give up
③  Just be yourself
④  Mind you
【单选题】 A: I havent received the book which I ordered from you last Saturday. B: Please tell me the serial number on your order sheet. [填空].
①  You wont regret
②  Trust me
③  Ill run a check for you
④  I promise
【单选题】 A: [填空]? B: Yes, Id like a gin and tonic and some crisps.
①  What do you want to eat
②  Excuse me, are you ready to order now
③  Excuse me, but whod like to order
④  Have you decided what to have yet
【单选题】 A: Why didnt you come to my party last night? B: Im sorry, [填空]. I had to visit my grandmother at the hospital.
①  I did it
②  I still remember it
③  I will come
④  I couldnt make it
【单选题】 A: Excuse me. Can you tell me how to get to the tube?B: Turn right around the corner and then walk one block up. [填空].
①  You cant miss it
②  Just do that
③  Try that way
④  Sure thing,miss
【单选题】 A: Thank you. Dont trouble yourself. Im not thirsty at all. B: [填空] you wouldnt like a cold beer, or a coke?
①  Can you tell
②  Do you think
③  Do you mean
④  Are you sure