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关于普通螺栓连接，今有两个疑问： （1）《》的7．2．1条规定，普通螺栓受剪时，一个螺栓的承载力设计值取受剪和承压承载力设计值的较小者，但是，查规范表3．4．1-4，对应普通螺栓一行，怎么没有f c b 的取值？ （2）公式（7．2．1-3）为N c b =d∑t.f c b ，f c b 为螺栓的承压强度设计值。这就不明白了：承压破坏时，是板件被螺栓挤坏，应该是板件的承压强度设计值啊，为什么规范规定用螺栓的承压强度设计值？
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参考答案：
举一反三
【判断题】A situation when a government's expenditures exceeds its revenue during a one-year period is a budget deficit.
A.
正确
B.
错误
查看完整题目与答案
【单选题】滑动轴承的寿命主要取决于( )的寿命。
A.
轴承座
B.
轴承盖
C.
轴瓦
D.
其它
查看完整题目与答案
【单选题】The benefit from a tax is measured by the
A.
benefit received by those people who gain from government’s expenditure of the tax revenue.
B.
cost of collecting (administering) the tax.
C.
interest saved because the government did not borrow the funds.
D.
government’s surplus, which is tax revenue minus government expenditures.
查看完整题目与答案
【单选题】During 2017, Bass Corporation constructed assets costing 4,000,000. The weighted-average accumulated expenditures on these assets during 2017 was 2,400,000. To help pay for construction, 1,760,000 was...
A.
240,000.
B.
120,000.
C.
233,600.
D.
377,600.
查看完整题目与答案
【单选题】在晶闸管直流电动机调速系统中,改变()就能改变直流电动机的转速
A.
A整流方式
B.
B晶闸管导通角
C.
C电源电压
D.
D电源频率
查看完整题目与答案
【单选题】Production is primarily based on:
A.
Projected inventory levels
B.
The revenue budget
C.
The administrative costs budget
D.
The capital expenditures budget
查看完整题目与答案
【单选题】在晶闸管直流电动机调速系统中,改变( )就能改变直流电动机的转速。
A.
整流方式
B.
晶闸管导通角
C.
电源电压
D.
电源频率
查看完整题目与答案
【单选题】正常情况下,城轨列车采取的运行组织方式是( )。
A.
调度集中控制下的列车运行组织
B.
调度监督下的列车自动运行组织
C.
调度监督下的半自动运行组织
D.
调度集中控制下的列车自动运行组织
查看完整题目与答案
【单选题】滑动轴承的效率和使用寿命,主要取决于轴瓦与轴承衬材料的 _________ 。
A.
跑合性，加工性
B.
减摩性，耐磨性
C.
强度，塑性
D.
导热性，耐腐蚀性
查看完整题目与答案
【单选题】What is Peacock and Wiseman’s explanation of increasing state activity?
A.
People desire to increase public expenditure.
B.
They find that the growth of public expenditures leads to the growth of revenues.
C.
As the economy grows the increase of revenue leads to the increase of public expenditure.
D.
It is the war that brings about the growth of public expenditure.
查看完整题目与答案
相关题目：
【判断题】A situation when a government's expenditures exceeds its revenue during a one-year period is a budget deficit.
A.
正确
B.
错误
查看完整题目与答案
【单选题】滑动轴承的寿命主要取决于( )的寿命。
A.
轴承座
B.
轴承盖
C.
轴瓦
D.
其它
查看完整题目与答案
【单选题】The benefit from a tax is measured by the
A.
benefit received by those people who gain from government’s expenditure of the tax revenue.
B.
cost of collecting (administering) the tax.
C.
interest saved because the government did not borrow the funds.
D.
government’s surplus, which is tax revenue minus government expenditures.
查看完整题目与答案
【单选题】During 2017, Bass Corporation constructed assets costing 4,000,000. The weighted-average accumulated expenditures on these assets during 2017 was 2,400,000. To help pay for construction, 1,760,000 was...
A.
240,000.
B.
120,000.
C.
233,600.
D.
377,600.
查看完整题目与答案
【单选题】在晶闸管直流电动机调速系统中,改变()就能改变直流电动机的转速
A.
A整流方式
B.
B晶闸管导通角
C.
C电源电压
D.
D电源频率
查看完整题目与答案
【单选题】Production is primarily based on:
A.
Projected inventory levels
B.
The revenue budget
C.
The administrative costs budget
D.
The capital expenditures budget
查看完整题目与答案
【单选题】在晶闸管直流电动机调速系统中,改变( )就能改变直流电动机的转速。
A.
整流方式
B.
晶闸管导通角
C.
电源电压
D.
电源频率
查看完整题目与答案
【单选题】正常情况下,城轨列车采取的运行组织方式是( )。
A.
调度集中控制下的列车运行组织
B.
调度监督下的列车自动运行组织
C.
调度监督下的半自动运行组织
D.
调度集中控制下的列车自动运行组织
查看完整题目与答案
【单选题】滑动轴承的效率和使用寿命,主要取决于轴瓦与轴承衬材料的 _________ 。
A.
跑合性，加工性
B.
减摩性，耐磨性
C.
强度，塑性
D.
导热性，耐腐蚀性
查看完整题目与答案
【单选题】What is Peacock and Wiseman’s explanation of increasing state activity?
A.
People desire to increase public expenditure.
B.
They find that the growth of public expenditures leads to the growth of revenues.
C.
As the economy grows the increase of revenue leads to the increase of public expenditure.
D.
It is the war that brings about the growth of public expenditure.
查看完整题目与答案
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