Class 2 (2nd Engineer) SC&S 📅 Nov 2022

Exam Question

(a) Describe measures which may be taken to improve the stability or trim of a damaged ships (6)

(b) A watertight bulkhead is 8 m high and is supported by vertical stiffeners 700 mm apart, connected at the tank top by brackets having 10 rivets 20 mm diameter. The bulkhead is flooded to its top edge with sea water. Determine:

(a) Shearing force at top of stiffeners,

(b) Shear stress in the rivets,

Reference Answer

(a) Measures to improve the Stability or Trim of a damaged ship:
Close all watertight doors, hatches, and openings to maintain the ship's watertight integrity.
Shut valves leading to the damaged compartment to isolate it.
Conduct a visual inspection to determine the extent of the damage.

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