Q6. “With reference to a four-ram hydraulic gear”, having duplicate pumps-
a) Sketch the arrangements of relief, make up, isolating and by-pass valves. (8)
b) Explain the use of isolating and by-pass valves, if one of the cylinders has fractured. (4)
c) Describe the arrangement provided to indicate the loss of hydraulic fluid due to leakage. (4)
Q1. A fire in the exhaust gas boiler on a motor ship may develop in two or three stages. With reference to such situations, discuss: A. The factors which could be a cause for initiation and development of: (i) Ignition of soot; (ii) Small soot fires; (iii) High temperature fires. B. State the standing instructions you, as a Second Engineer Officer, would issue with respect to the action to be taken in the event of a boiler uptake fire.
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