A.Single whip
B.Gun tackle
C.Luff tackle
D.Twofold purchase
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A.A line led forward from the bow
B.A line led aft from the bow
C.A line led in the same direction as the keel
D.A line led at a right angle to the keel
A.on only the forward falls
B.on only the after falls
C.with a lead of about 45 degrees to the boat
D.from the falls to the main deck of the vessel
A.Base line
B.Molded line
C.Designer's waterline
D.Keel line
A.Personnel may work beneath suspended loads，as long as they are alert and wear hard hats
B.If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach
C.If tag lines are used to control a suspended load，they should be secured to the deck
D.Personnel not involved in the hoisting operation should be kept clear of the transfer area
A.selected
B.collected
C.detected
D.effected
最新試題
Which tackle arrangement has the LEAST mechanical advantage（）.
The vessel or other goods upon which the Works have been carried out must be（）from the Repairer’s worksite within 3 days after the invoice date or in accordance with other written notification by the Repairer to the Customer.
The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）
The usual method of arranging a line on deck so that it will run out easily without kinking or fouling is（）.
What term indicates the line drawn at the top of the flat plate keel（）.
The terms ceiling and margin plate are associated with the（）.
Which type of link is generally used to connect shots of anchor chain（）.
You are handling a mooring line and are instructed to Check the line.What should you do（）.
Any Works completion date quoted by the Repairer is an estimate only and the Repairer shall not be（）liable for any failure to complete the Works by that date.
You must ensure that lifesaving equipment is（）.