6.某一90公尺長，10公尺寬，6公尺深之箱型船以3公尺等吃水浮於標準海水中，今將船上64公噸貨物向後移動40公尺，因此而造成之俯仰差為艉俯多少公尺？(A)0.15(B)0.23(C)0.37(D)0
8.當船舶發生舯拱變形時，下列何者正確？(A)舯部浮力小於重力，艏艉部重力大於浮力(B)舯部浮力大於重力，艏艉部重力大於浮力(C)舯部浮力小於重力，艏艉部重力小於浮力(D)艏部浮力小於重力，艉部重力大
3. There is a drifting mine __________ in position 25 degrees 09minutes North 121 degrees 46 minutes
4. Mariners are to ensure that charts and publications are __________up to date .(A) kept correctedl
6. A ________ is an outlet from a fluid main often consisting of anupright pipe with a valve attache
7. ____________! The ship is sinking and requires immediateassistance.(A) Attention, Attention, Atte
9. Your vessel is a deep draught vessel and constrained by herdraught. What sound signals you should
10. How often the Admiralty Notices to Mariners are issued?(A) Weekly.(B) Biweekly.(C) Monthly.(D) B
11. Which twilight is tabulated in the Nautical Almanac?(A) Global Horizon twilight(B) Civil twiligh
12. When ship officer enters an error in log book, how to correct it?(A) To draw a athwart line on t