Q1. With respect to Windlass and deck Machinery:
(a) Describe the principle of coil-operated brake suitable for winches and other deck machinery.
(b) Explain with suitable sketches how the windlass is relieved of strain when riding at anchor.
Q5.A. Sketch a watertight door and frame showing the manner of attachment to the bulkhead and the additional reinforcement carried by the bulkhead to compensate for the aperture.
B. Explain how water tightness of the door and frame mating surfaces is ensured with hydrostatic pressure tending to force the faces apart.
C. (i) Describe the means of closing the door;
(ii) State the number of closing stations and the position of each.
Q8. Sketch and describe a stockless anchor illustrating the method or device used to attach it to the chain cable. When are the anchor and cable ranged during the ships underwater survey what parts require special attention and what defects are likely to be discovered? (16)
Q7. a) Describe with aid of a line diagram the layout and components of a hydraulic system suitable for the operation of deck machinery (8)
b) Explain how the hydraulic system pressure is controlled assuming the use of a variable delivery pump. (4)
c) State which design of hydraulic motor is used in the system described in (a). (4)
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