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Q1. (a) Explain at least three features which assist in the starting of lifeboat engines in cold climate conditions.

(b) Describe TWO devices that control the rate of fall of a lifeboat when launched from standard davits

(C) With reference to Resolution MSC 402(96) and M.S. Notice 1 of 2020 on life boats, rescue boats, launching appliances and release gear; state who are authorized /allowed to carry out following routine jobs:

(i) Weekly and monthly inspections and routine maintenance

(ii) Annual thorough examinations and operational tests

(iii) Five-year thorough examination, overhaul, overload operational tests and repair.

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.

Q6. A. Sketch a line diagram showing the layout components of a hydraulic system with a variable delivery, Pressure compensated pump and accumulator, suitable for the operation of deck machinery.

B. Describe the operation of the system sketched in part 6 (a).

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.

Q7. Sketch and describe a stockless anchor illustrating the method or device used to attach it to the chain cable. When the anchor and cable are ranged during the ships underwater survey what parts require special attention and what defects are likely to be discovered?

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)