試卷名稱:113年 - 113-4 航海人員測驗_二等管輪:輪機工程(包括推進裝置、輔機與輪機英文 )概要#124056
年份:113年
科目:輪機工程(概要)(包括推進裝置、輔機與輪機英文)
18. One kind of tools which are in common use for daily maintenance works on the ship is a one-piece wrench with an enclosed opening that grips all the faces of a bolt or nut. The tool is often double-ended with offset handles to improve access to the nut or bolt. What tool is above description?
(A) Screwdriver
(B) Open-end spanner
(C) Adjustable spanner
(D) Ring spanner