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Q9. With reference to a lifeboat gravity davit arrangement: A. Sketch the arrangement showing the lifeboat both in the housed position and at its maximum point of outboard travel; B. Describe the lowering and raising of life boat stating the safety features and the requirement as per SOLAS 74, with respect to time for hoisting.

Q7. (a) Explain at least three features which assist in the starting of lifeboat engines in cold climate conditions. (5)

(b) Describe two devices that control the rate of fall of a lifeboat when launched from standard davits (5)

(C) Describe the periodic maintenance carried out on lifeboat davit and who are authorized /allowed to carry out these routine jobs as per M.S Notice 1of 2020. (10)

Q6. Write short notes on following, concerning lifeboats:

i) Marking on lifeboats. (5)

ii) Davit limit switches. (5)

iii) Centrifugal brakes. (5)

iv) Safeties provided on lifeboat davits. (5)

Q9. With respect to gravity lifeboat davits: Describe and state the purpose of:

i) Centrifugal brakes (5)

ii) Deadman's Handle (5)

iii) Limit switches on Davits. (5)

iv) Onload release gear. (5)

Q7. (a) List the items which are contained in the training manual pertaining to life saving appliances (5)

(b) Describe the frequency of abandon ship drills and fire drills and how they should be conducted. (5)

(c) State the regulation regarding the maintenance of lifeboat falls. (5)

(d) List the LSA to be carried by all ships. (5)

Q9. With reference to lifeboats and davits describe (a & b) with the aid of sketches:

a) The purpose and types of “limits switches”. (6)

b) The centrifugal brake and state the method of testing. (5)

c) Enumerate routine maintenance of lifeboat engine & life boat winch. (5)

Q7. a) Describe the periodic maintenance procedures that must be carried out on a lifeboat, its equipment and its davit system to ensure proper operation. (10)

b) Explain the procedure for conducting a dynamic load test on a lifeboat davit and the criteria for evaluating the test results. Why is this test critical for ensuring the safety of the davit system? (10)

Q5. (a) What are the routines carried out on a lifeboat winch (6)

(b) What maintenance do the hand brake and Centrifugal brakes require (5)

(c) At what lowering velocity does the centrifugal brake operate (5)

Q8. With reference to a lifeboat gravity davit arrangement:

A. Sketch the arrangement showing the lifeboat both in the housed position and at its maximum point of outboard travel. (8)

B. Describe the lowering and raising of life boat stating the safety features and the requirement as per SOLAS 74, with respect to time for hoisting. (8)

Q7. Write reference to gravity lifeboat davits; state the purpose of the following:

a) Centrifugal brake.

b) Dead man’s handle.

c) Davit limit switch. (16)