更多"[单选题] A design modification of an a"的相关试题:
[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
[多选题]The primary somatic sensory area occupies which of the following regions.（ ）
A.precentral gyrus
B.postcentral gyrus
C.anterior part of the paracentral lobule
D.posterior part of the paracentral lobule
E.transverse temporal gyrus
[多选题]According to 1969 Vienna Convention, which statements about the treaty interpretation are correct?
A. Treaties shall be interpreted in good faith.
B. Treaties shall be interpreted in accordance with the ordinary meaning to be given to the terms of the treaty in their context.
C. Treaties shall be interpreted in accordance with the ordinary meaning to be given to the terms of the treaty in the light of its object and purpose.
D. Any relevant rules of international law applicable in the relations between the parties shall be taken into account in interpreting a treaty.
[多选题]The cerebral arterial circle is formed by which of following arteries.（ ）
A.anterior communicating artery (前交通动脉) and posterior communicating arteries
B.original portions of the anterior cerebral arteries (大脑前动脉)
C.original portions of the middle cerebral arteries
D.original portions of the posterior cerebral arteries
E.terminal prtions of the internal carotid arteries
[单选题] The duration of a prolonged blast of the whistle is ______．
A.2 to 4 seconds
B.4 to 6 seconds
C.6 to 8 seconds
D.8 to 10 seconds
[单选题] The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel ________.
A. It forces the bow away from the bank
B. It forces the stern away from the bank
C. It forces the entire vessel away from the bank
D. It heels the vessel toward the bank
[多选题]About the recess and pouch in peritoneum, which of the following discreption is correct?
A.The hepatorenal recess is the lowest part of the peritoneal cavity in erect position.
B.In female, the rectouterine pouch is the lowest part of the peritoneal cavity in erect position.
C.In female, the vesicouterine pouch is the lowest part of the peritoneal cavity in erect position.
D.The hatatorenal recess is the lowest part of the peritoneal cavity in sitting position.
E.In male, the rectovesical pouch is the lowest part of the peritoneal cavity in erect position.
[多选题]About the external features of the heart, which of the following descriptions are correct?
A.The cardiac base (心底) is formed by the left atrium and right atrium.
B.The cardiac apex (心尖) is formed by the right ventricle.
C.The right border of heart is formed by the right atrium and right ventricle.
D.The left border of the heart is formed by the left ventricle and left auricle (左心耳).
E.The inferior border of the heart is formed by the right ventricle and cardiac apex.
[单选题] A frying pan catches fire in the galley, which extinguishing agents shall you use?
A. Water
B. CO2 or powder
C. Foam
D. CO2 only
[单选题]横滚控制是通过哪些操纵面实现的？（）Roll control is through which control surfaces?
A.副翼和扰流板 Aileron and the spoiler
B.方向舵、副翼和扰流板 The rudder and aileron and the spoiler
C.方向舵脚蹬和副翼 Pedals and flaps
[单选题] SeA.anchor是: ( )
A.海锚
B.海绵
C.手电
D.天棚
[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] An LWT anchor often has difficulty tripping in ______．
A.Sand
B.Soft soil
C.Stiff clay
D.Heterogeneous soil
[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] 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] 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
