91香蕉视频日本在线,野花日本大全免费观看中文版,1080(2)

單項選擇題If the bedplate was too rigid, then as the hull flexed, the （）, which secure the engine into the ship would be likely to break, and there would be a danger of the bedplate cracking.

A.through bolts
B.jack bolts
C.holding down bolts
D.tap bolts

點擊查看答案

您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題The bedplate must be flexible enough to hog and sag with the foundation plate （） it is attached and which forms part of the ship’s structure.

A.in which
B.on which
C.to which
D.by which

點擊查看答案

2.單項選擇題The fire drill must, as far as practicable, be conducted if （）.

A.there is a minor emergency
B.there is an actual emergency
C.there were a minor emergency
D.there were an actual emergency

點擊查看答案

3.單項選擇題（）, the second one will start automatically.

A.If the first stand-by set failed
B.If the first stand-by set fails
C.If the first stand-by set will fail
D.If the first stand-by set doesn’t fail

點擊查看答案

4.單項選擇題Changes in direction or speed of the main propulsion units shall be recorded, （）an Administration has determined that the size or characteristics of a particular ship make such recording impracticable.

A.in addition to
B.in addition that
C.except for
D.except where

點擊查看答案

5.單項選擇題The officer in charge of the engineering （）the watch to the reliving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.

A.shall take over
B.shall not take over
C.shall hand over
D.shall not hand over

點擊查看答案