皮皮学，免费搜题
登录
搜题
【单选题】
已知6个钢筋试件，测得屈服强度分别是230MPa，215 MPa，200 MPa，245 MPa，224 MPa，变异系数为0.075，材料分项系数为1.4，则钢筋的设计强度为（ ）A.
222.8MPa
B.
195.3MPa
C.
139.5MPa
D.
以上均不是
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】O 2 utilization factor means
A.
The percentage of O 2 content in the blood flowing through the tissue to the blood O 2 volume
B.
Percentage of the volume of O 2 released by the blood flowing through the tissue as compared with the amount of O 2 in arterial blood
C.
The percentage of the O 2 volume released as the blood flows through the tissue to the O 2 volume of venous blood
D.
The percentage of the O 2 volume released as blood flows through tissues to arterial blood O 2 content
【简答题】二进制数转换其他进制 (3.0分)A. 11.125D，B.5H B. 11.125D，A.5H C. 11.3125D，B.5H D. 11.3125D，A.5H
【简答题】二进制数转换其他进制 (10.0分)A. 11.125D，B.5H B. 11.125D，A.5H C. 11.3125D，B.5H D. 11.3125D，A.5H