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
The margin plate is the（）.
When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.
The Customer agrees to pay the full invoiced price，plus all other amounts payable to the（）Repairer under these terms and conditions，relating to or arising out of the Works for the Customer.
The margin plate is the（）.
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.
What is meant by the term TOPPING THE BOOM?（）
The main advantage and chief characteristic of a Steulchen boom is that it can be（）.
The minimum length of a boat painter for a lifeboat in ocean service is（）.
What term indicates the line drawn at the top of the flat plate keel（）.
You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.