航海英语(甲类船长)船舶修理与保养单选题练习1
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- 3
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Why should you soak an anchor ________．
- A.It can prevent the anchor from slipping during pretensioning
- B.It will lubricate all the moving parts of a stock anchor
- C.It will increase the maximum breaking strength of the anchor chain
- D.It will make it easier to disassemble the anchor for repair
- 4
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Which statement about two lines spliced together is TRUE ________．
- A.Splicing is used to increase the circumference of each line
- B.Splicing two lines together is stronger than knotting two lines together
- C.Splicing is used to increase the overall strength of the line
- D.Splicing is used to prevent rotting of the lines bitter end
- 6
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Which statement about the deck line is TRUE ________．
- A.The top of the deck line is marked at the highest point of the freeboard deck，including camber，at the midships point
- B.A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shell
- C.The deck edge is marked at the intersection of the freeboard deck with the side shell，at the lowest point of sheer，with the vessel at even trim
- D.On a vessel with a rounded stringer-sheer plate，the deck line is marked where the stringer plate turns down from the plane of the deck line
- 7
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Which statement about pneumatic chipping tools is TRUE ________．
- A.The operator must wear safety goggles or glasses
- B.The equipment must be grounded to prevent shock hazard
- C.The chipping mechanism is made of a non-sparking material that is safe to use near explosive atmospheres
- D.The needles of the needle-type chipping gun must be replaced when they have been blunted more than 1/2 of their diameter
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