單項選擇題With the buttress securing system,containers of different heights must be stowed().

A.on the bottom tier on deck
B.in the hold
C.next to the buttress tower
D.on the top tier


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1.單項選擇題How is the size of chain determined?().

A.Length of link in inches
B.Diameter of metal in link in inches or centimeters
C.Links per fathom
D.Weight of stud cable in pounds

2.單項選擇題The fittings used to secure a watertight door are known as().

A.clamps
B.clasps
C.dogs
D.latches

3.單項選擇題Freeing ports on a vessel with solid bulwarks().

A.prevent stress concentration in the bulwark
B.permit easy jettison of deck cargo in an emergency
C.provide openings through the bulwarks for mooring lin
D.allow water shipped on deck to flow off rapidly

4.單項選擇題If your vessel has a list to port due to negative GM and off-center weight,the first corrective measure you should take is to().

A.move port-side main-deck cargo to the starboard side
B.fill the starboard double-bottom
C.pump water from the port double-bottom to the starboard double-bottom
D.pump water from the port double-bottom over the side

5.單項選擇題If two mooring lines are to be placed on the same bollard,which method is BEST?().

A.Place the eye from the forward line on the bollard and then place the eye from the second line directly over the first
B.It makes no difference how the lines are placed
C.Place the eye from either line on the bollard,and then bring the eye of the other line up through the eye of the first,and place it on the bollard
D.Place both eyes on the bollard,in any manner,but lead both lines to the same winch head on the vessel and secure them on the winch

6.單項選擇題Please tell the stevedores to load the cargo()according to the respective figures.

A.tightly
B.closely
C.securely
D.strictly

7.單項選擇題A spring line is a().

A.mooring line made of spring lay wire rope
B.mooring line running diagonally to the keel
C.mooring line parallel to the keel
D.wire rope used for securing an anchor buoy

9.單項選擇題A sufficient amount of chain must be veered when anchoring a vessel to ensure().

A.the vessel has enough room to swing while at anchor
B.the anchor flukes bite into the ocean bottom
C.there is sufficient weight from the anchor and chain to prevent dragging
D.there is more chain out than there is in the chain locker

10.單項選擇題The most common method of securing a line to a cleat is a().

A.half hitch,then round turns
B.round turn,then figure eights
C.figure eight,then round turns
D.figure eight,then half hitches