根据《起重机械安全规程》(GB6067-2010)8.8.8规定,对于保护接零系统,起重机械的重复接地或防雷接地的接地电阻不大于()
A. 4Ω
B. 5Ω
C. 6Ω
D. 10Ω
()isaroud-shapedunderwaterpartinthefrontoftheship.Thepurposeistocre-atelessfrictionwithwatersothattheshipmovesmoreeasily.
A. Thebulbousbow
B. Theanchor
C. Thebowthruster
D. Thepropeller
Youshouldalwayswear()whenworkingondeck.
A. helmet
B. slippers
C. goggles
D. immersionsuits
依据《中国南方电网有限责任公司电力安全工作规程》,纤维绳使用时与带电体有可能接触时,应按GB/T13035—2008的规定进行()
A. 检测
B. 检查
C. 试验、干燥、隔潮等
D. 保养