Q2. Sketch a high-lift safety-valve lid and seat detailing their special features. Describe how such a valve is overhauled and any clearance that should be measured and noted. (16)
Q4. Describe the method of setting the safety valves of an exhaust gas boiler at sea.
a. State the limits in terms of percentage above maximum design working pressure, for setting safety valves. (8)
b. State the formality necessary when chief engineer sets the safety valves. (8)
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