Q4. With reference to hydraulic steering gears, sketch and describe each of the following: (A)Single failure concept;
(B)100 Percent redundancy.
Q6. Sketch and describe a “fail safe steering gear” suitable for use on a tanker of more than 100,000 T dwt; Explain the sequence of events that take place when an oil leak takes place in one of the hydraulic pipe lines.
Q5. A. Describe with the aid of sketches where necessary a vane type steering gear showing how to weight of the rudder and stock are carried and the arrangement that allow for wear down. (6)
B. State how the vanes described in (A) are secured and the method of sealing the edges. (5)
C. State how, if necessary, the steering gear is locked for rudder maintenance. (5)
Q8. In a Rotary vane steering gear, briefly state.
a) How are the fixed and moving vanes attached to cylinder and rotor respectively.
b) How many sets of vanes are provided? What is the limitation factor to number of vanes.
c) How is strength imparted to moving vanes to enable them to act as rudder stops?
d) How is rudder uplift accommodated?
Username or email address *Required
Password *Required
Note: Entering wrong username in the login form will ban your IP address immediately. Entering wrong password multiple times will also ban your IP address temporarily.
Log in
Lost your password? Remember me
No account yet?
DieselShip support
Send us a message and we'll reply by email, usually within one business day.
We've logged your ticket and sent a confirmation to your email.
