Steering Gear Flashcards
The device shown in the illustration is a/an __________. GS-0116
vane type steering gear
The action necessary to use the steering gear room trick wheel when transferring the steering control from the wheelhouse to local control, is to __________.
align the trick wheel to the rudder angle position before engaging
A command signal input to the steering gear has initiated rudder movement for 20° right rudder. The follow-up mechanism at the beginning of the rudder movement will __________. Illustration GS-0123
be in motion with a null input
When the helm angle position is changed, the series of corresponding events of the steering gear will include __________.
I. rate of steering gear ram movement will be proportional to amount of helm angle input
II. degree of tilting plate (box) angle will be proportional to the amount of helm angle input
II only
When responding to a ‘right rudder’ command from the amidships position, which parts of the steering gear system illustrated will be subjected to the highest pressure? GS-0137
“E” and “B”
When power is restored after a complete power failure, how will the steering gear pump motor which was on-line respond?
it will restart automatically
To facilitate communication between the wheelhouse and the steering gear room in a steering emergency where no external source of power is required, what means of two-way communication would be provided?
Sound-powered telephone system
What is the name of the mechanism used to transmit rudder angle information from the steering gear itself to the wheelhouse in the illustrated rudder angle indicator system? EL-0092
synchronous transmission
When steering on autopilot which of the following input conditions may NOT have an effect on the control of the steering gear? A Rudder adjustment B Weather adjustment C Non-followup D All the above may be activated
C Non-followup
When steering by hand, which of the following may be a functional input to the steering gear as a result of turning the wheel?
Non-follow-up
If it is necessary to prevent the rudder from moving while a repair is made on the steering system using the illustrated actuator __________. GS-0116
secure the valves in the supply and return lines
Rudder position is shown on the bridge by the __________.
rudder angle indicator
In an electro-hydraulic steering system, damage due to rudder shock is prevented by __________.
relief valves
What shipboard system uses the synchronous transmission system?
rudder angle indicator system
