更多"[单选题]Sea anchor是______。"的相关试题:
[单选题] SeA.anchor是: ( )
A.海锚
B.海绵
C.手电
D.天棚
[单选题] Releasing oil from the sea anchor of a survival craft may ______.
A.keep the propeller from being fouled
B.increase propeller speed
C.help calm the waves in the vicinity of the craft
D.increase the holding power of the sea anchor
[单选题]Sea anchor是______。
A.海锚
B.脱水海棉
C.海水手电
D.海水电池
[判断题]Sea anchor 用于稳定筏体,减缓其漂移速度。
A.正确
B.错误
[单选题] A Danforth lightweight anchor does NOT hold well in which type of bottom ________.
A.Mud
B.Grass
C.Sand
D.Clay
[单选题] Anchor shackles should have a breaking strength that is ______.
A.equal to the chains they are connecting
B.25% more than the chains they are connecting
C.50% more than the chains they are connecting
D.100% more than the chains they are connecting
[单选题] An LWT anchor often has difficulty tripping in ______.
A.Sand
B.Soft soil
C.Stiff clay
D.Heterogeneous soil
[单选题] The holding capabilities of an anchor are determined PRIMARILY by the ______.
A.design of the anchor
B.weight of the anchor
C.scope of the anchor chain
D.size of the vessel
[单选题] A design modification of an anchor chain which prevents kinking is the ______.
A.Detachable link
B.Stud link
C.Kenter link
D.Connecting link
[单选题] An anchor winch should be equipped with mechanical brakes capable of holding ______.
A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
[单选题] LIFTING THE ANCHOR FROM THE BOTTOM is called ______.
A. broaching the anchor
B. shifting the anchor
C. walking the anchor
D. weighing the anchor
[单选题] When using the anchor to steady the bow while approaching a dock you must be aware of the fact that ______.
A.the vessel will tend to take a large sheer towards the side where the anchor is down
B.steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
C.the anchor cable must never lead under the hull
D.using an offshore anchor decreases the chances of the anchor holding
[单选题] When dropping anchor,you are stationed at the windlass brake.The most important piece(s)of gear is(are)______.
A.A hard hat
B.A long sleeve shirt
C.Gloves
D.Goggles
[单选题] The opening in the deck beneath the anchor windlass that leads to the chain locker is the ______.
A.Hawse pipe
B.Fall pipe
C.Drop-pipe
D.Spill pipe
[单选题]?Please tell your Captain that your anchor is ______.
A. moving
B. dragging
C. dredging
D. slipping
[单选题] What is meant by veering the anchor chain?
A. Bring the anchor to short stay
B. Heaving in all the chain
C. Locking the windlass to prevent more chain from running out
D. Paying out more chain
[单选题] What is the normal length of anchor cable used to anchor a vessel ________.
A. An amount equal to the depth of the water
B. Two times the depth of water
C. Three to four times the depth of water
D. Five to seven times the depth of water