Q3. Sketch and describe a ‘Four ram electro hydraulic steering system’, showing pump isolating valves, relief valves and bypass valves. (10)
ii) Indicate & explain valve position for one pump isolation and one unit isolation. (6)
Q8. (a) Sketch a steering gear arrangement capable of I00 percent redundancy. (8)
(b) Describe the operation of the arrangement in (a) when the working pump oil manifold develops a serious leak. (8)
Q6. i) what are the types of pumps normally used for steering gear system? (3)
ii) Using a simple sketch explain the working principle of 'radial piston' type pumps. (8)
iii) What is understood by the term 'hunting action'? (5)
Q6. a) What are the safety devices provided on the steering gear system? (10)
b) What is the significance of the shaft hull earthing device on the shafting? (6)
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