题目内容
(请给出正确答案)
[单选题]
开关柜母线螺栓规格为M12(A40),紧固力矩值为()Nm
A.78.5~98.1
B. 17.7~22.6
C. 31.4~39.2
D. 51.0~60.8
提问人:网友leejun998
发布时间:2022-01-06
A.78.5~98.1
B. 17.7~22.6
C. 31.4~39.2
D. 51.0~60.8
A.50Nm;75Nm;100Nm
B. 75Nm;50Nm;50Nm
C. 75Nm;75Nm;100Nm
D. 75Nm;50Nm;100Nm
A.86-M12×80
B. M12×80-86
C. 86-M12-80
D. 80-86-M12
A.螺栓 GB/T 5782-2000 M12×80
B.GB/T 5782 M12×80
C.螺栓 M12×80
D.螺栓 M12
A.M8螺栓紧固力矩值为8.8~10.8N·m
B.M10螺栓紧固力矩值为17.7~22.6N·m
C.M12螺栓紧固力矩值为31.4~39.2N·m
D.M16螺栓紧固力矩值为51.0~60.8N·m
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