The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no ().
相似题目
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The purging of air from an elector-hydraulic steering gear unit is necessary when()
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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().
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In an electro-hydraulic steering gear system, when will the variable displacement pump be placed on stroke?()
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With reference to operating a four-ram steering gear system under emergency conditions, which one of the following statements is incorrect?()
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The function of the hydraulic telemotor transmitter used in an electro-hydraulic steering gear system is to ().
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According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?()
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According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 20 knot service speed, must be capable of producing a rudder movement at which of the minimum speeds listed below?()
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The control rod of a steering gear pump is attached at its outer end to ().
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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.
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In case of your steering gear failed,()should be exhibited in shapes or lights.
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When the steering gear is in operation, you should ().
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Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by ().
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Proper operation of the main engine reduction gear set requires the operation to monitor ()
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When the helm demands a 20°right rudder movement from an electro-hydraulic steering gear, which of the listed actions will be the FIRST action to happen when this rudder position is attained?()
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When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is ().
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The () in the steering gear system provides the force.
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The follow-up gear on an electro-hydraulic steering gear()
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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.
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When the desired rudder angle is attained by a typical double mm electro-hydraulic steering gear,the().
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Most hydraulic steering gears are fitted with relief valves which()
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The test of a towing vessel’s steering gear control system includes each item EXCEPT().
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In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in()
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Ship’s steering gear refers to()
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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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