福建三类人员考试福建三类人员专职安全员C证考试单项选择题每日一练(2018.11.26)

A.50mm
B.60mm
C.80mm
D.70mm

A.4～5个立杆间距或5～7m
B.6～8个立杆间距或7～9m
C.8～10个就杵间距或8～10m
D.2～4个立杆间距或2～4m

A.拉伸
B.扭转
C.弯曲疲劳
D.变形

A.150
B.120
C.110
D.100

A.200mm
B.250mm
C.300mm
D.350mm