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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You are testing the external inflation bladder on an immersion suit and find it has a very slow leak．Which action should be taken ________．
- A.Replace the suit
- B.Replace the inflation bladder
- C.Take it out of service and repair in accordance with the manufacturers instructions
- D.Some leakage should be expected and a topping off tube is provided; no other action is necessary
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You are moving a gas free tank barge to dry dock for repairs．The barge must have onboard a valid ______．
- A.Gas Free Certificate
- B.Certificate of Inspection
- C.Permit to Proceed and Hot Work Permit
- D.All of the above
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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
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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
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Whipping the bitter end of a fiber rope ______．
- A.increases the circumference of the rope
- B.makes for easier handling
- C.prevents fraying of the bitter end
- D.prevents moisture from entering the bitter end
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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
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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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Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．
- A.Babbitt
- B.Bronze
- C.Lead
- D.Zinc
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Where do fatigue failures of wire rope mooring lines usually occur ________．
- A.In the middle part of the line length
- B.Near the socketed end fitting adjacent to the anchor
- C.At the point where the line touches the bottom
- D.At the place the anchor buoy is attached to the line
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Which bend or knot is used to tie a small line to a larger one ________．
- A.Becket bend
- B.Bowline
- C.Clove hitch
- D.Lark's head
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GMDSS试题练习(1)
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