The quartermasters（）steer the ship and help the officer keep lookout.

相似题目

• （）provides a paper trace of course steered by the vessel against time.

  A . The echo sounder B . The radar C . The course recorder D . The direction finder

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• When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear（）.

  A . Non-follow-up B . Rudder adjustment C . Weather adjustment D . All the above may be activated

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• The hand steering is a method by which the motion of the rudder is controlled with （）.

  A . a motor-driven steering wheel B . a pneumatic steering wheel C . a hand-driven steering wheel D . an electric steering wheel

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• The steering oar in a lifeboat is（）.

  A . shorter than the others B . used for the stroke oar C . used by the forward man in the boat to direct the bow D . longer than the others and should be lashed to the ster

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• In heavy seas the helmsman should steer the survival craft（）.

  A . into the seas B . broadside to the seas C . in the same direction as the seas D . in a series of figure-eight

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• The length of the steering oar in a lifeboat is（）.

  A . shorter than the rowing oars B . the same length as the rowing oars C . longer than the rowing oars D . unrelated to the length of the rowing oar

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• The direction in which a vessel is steered is the course. The path actually followed is the （）.

  A . route B . track C . heading D . course over the ground

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• While inspecting the steering system at sea, you should check for （）.

  A . air bubbles in the sight glass B . any leaks in the system C . over-travel in the rudder angle indicator D . lost motion in the ram

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• According to the way the steering gear is operated, the steering gear may be divided into: hand - steering, （） and automatic steering.

  A . hydraulic steering B . follow-up steering C . remote control steering D . air controlled steering

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• Hydraulic pumps most commonly used in steering systems are of the （）.

  A . lobe type B . screw type C . axial piston type D . volute type

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• When the steering gear is in operation, you should （）.

  A . check hydraulic oil levels every hour B . check the rams for overheating C . check for excessive oil leakage from rams D . drain water from telemotor cylinders each watch

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• If one hydraulic pump of an electro-hydraulic steering unit falls, the vessels steering can be initially and best maintained by using the （）.

  A . trick wheel B . accumulator C . standby pump D . telemotor

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• Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by （）.

  A . regulating the oil flow with the six-way valve B . moving the automatic differential valve C . moving the receiving tele-motor which regulates the two-way valve D . varying the angle of a tilting box or eccentricity of a floating ring

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• The steering oar in a lifeboat is usually referred to as the（）.

  A . bumpkin oar B . stroke oar C . sweep oar D . becket oar

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• When steering by autopilot,how often should the steering be checked?（）

  A . 12 times on each watch B . When time allows C . At least once a watch D . No checking is necessary

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• In an electro-hydraulic steering system, under movement is maintained in close synchronization with the steering wheel position by means of the （）.

  A . trick-wheel B . follow-up control C . six-way valve D . Rapson slide

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• Course directed by the OSC or CSS to be steered at the beginning of a search is（）.

  A . Original course B . Initial course C . Final course D . Designated course

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• The （） in the steering gear system provides the force.

  A . control equipment B . power unit C . transmission mechanisms D . fittings and pipeline

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• The follow-up gear on an electro-hydraulic steering gear（）

  A . relieves excessive fluid pressure B . takes the pump off stroke when the desired rudder angle is attained C . synchronizes wheel position with the rudder position D . returns the rudder to midposition when the wheel is released

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• The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.

  A . transmitter B . tele-motor C . hydraulic ram D . hydraulic cylinder

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• When air becomes trapped in the hydraulic fluid of a steering system, the （）.

  A . rudder will respond sluggishly B . hydraulic rams will over-speed C . sight glass will show bubbles D . ram relief valves will lift

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• The（）of the telemotor is built the steering wheel console and located on the bridge.

  A . transmitter B . receiver C . pipes D . charging unit

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• In an electro-hydraulic steering system, rudder movement is maitained in close synchronization with the steering wheel position by means of the ______.

  A.trick wheel B.follow-up control C.six-way valve D.Rapson slide

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• （）Turning the steering wheel turns the steering shaft to which a worm gear is attached within the steering gear box.

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