問題詳情

31. One kind of tools which are in common use for daily maintenance works on the ship can
be used to loosen or tighten a nut or bolt. It has a "jaw" (the part into which the nut or bolt goes)
which is of adjustable size, which allows for different size nuts and bolts to be handled by the
same spanner. What tool is above description?
(A) Open-end spanner
(B) Adjustable spanner
(C) Pliers
(D) Ring spanner

參考答案

答案:B

統計:A:3,B:6,C:4,D:4,E:0

難度:計算中