更多"According to the way the steering g"的相关试题:
[单项选择]During steering gear test should be moved through its full travel in both directions（）
A. pump
B. the cylinder
C. the hunting gear
D. the rudder
[单项选择]With reference to a rotary vane steering gear system, which one of the following statements is true?（）
A. The three moving vanes and the three fixed vanes form three pressure chambers
B. The three moving vanes and the three fixed vanes form six pressure chambers
C. The three moving vanes and the three fixed vanes form nine pressure chambers
D. The three moving vanes and the three fixed vanes form twelve pressure chambers
[单项选择]With reference to rules governing steering gear, which one of the following rules is incorrect? （）
A. It is required that all ships are provided with two independent steering gear systems that is one main and one auxiliary
B. The auxiliary gear could be power operated in passenger ships
C. The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speed
D. All moving parts of the steering gear must be guarded against any possible damage
[单项选择]The auxiliary steering gear must be capable of being brought speedily into operation and be able to put the rudder over from 15 degrees on one side to 15 degrees on the other side in no more than （） with the ship at its deepest service draught and running ahead at the greater of one half of the maximum service speed or （）.
A. 28 seconds；7 knots
B. 28 seconds；14 knots
C. 60 seconds；7 knots
D. 60 seconds；14 knots
[单项选择]The control rod of a steering gear pump is attached at its outer end to （）.
A. the hunting gear
B. the rudder stock
C. the rudder controller
D. the feedback unit
[单项选择]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
[单项选择]In an electro-hydraulic steering gear, any change in relative position between the synchronous receiver and the follow-up gear will result in（）
A. the pump going to full stroke
B. closing of the six-way valve
C. driving the rams up against the stops
D. a corresponding slowing or increasing of the pumped flow rate
[单项选择]In an electro-hydraulic steering gear system, when will the variable displacement pump be placed on stroke?（）
A. When the helm is at any angle other than amidships
B. When the six-way valve is opened
C. When the ram relief valves lift
D. When the redder angle is different from the position of the helm
[单项选择]Ship’s steering gear refers to（）.
A. cargo handling machines
B. deck winches and derricks
C. engine-room tools
D. course controlling system
[单项选择]On an electro-hydraulic steering gear, which of the listed devices will keep the rudder from over-traveling the bridge signal?（）
A. Rudder angle indicator
B. Follow-up gear
C. Electric transmitter
D. Rudder angle limit switch
[单项选择]The （） in the steering gear system provides the force.
A. control equipment
B. power unit
C. transmission mechanisms
D. fittings and pipeline
[单项选择]The in the steering gear move the rudder to the required angel（）
A. control equipment
B. power unit
C. transmission mechanisms
D. fittings and pipeline
[单项选择]The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.
A. a test from the alternative power supply，if installed
B. timing the movement of the rudder from hard over to hard over
C. verification that the rudder angle indicator shows the actual position of the rudder(s)
D. visual inspection of the steering linkage
[单项选择]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 （）.
A. more than 28 seconds
B. more than 60 seconds
C. less than 28 seconds
D. less than 60 seconds
[单项选择]In case of your steering gear failed，（）should be exhibited in shapes or lights.
A. not under command
B. restricted in her ability to manoeuvre
C. restrained by her draught
D. underway
[单项选择]A spur gear pump should be operated with the discharge valves （）.
A. slightly opened
B. throttled
C. fully opened
D. halfway opened
