一起答
单选

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
参考答案
查看试卷详情
相关试题
  1. 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
  2. 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
  3. 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. 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
  5. 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
  6. 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. 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
  8. 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
  9. 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
  10. 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