Exam Question
Write short notes on
(a) Wash bulk heads (4)
(b) Cross ties (4)
(c) Coffer dam (4)
(d) Corrugated bulkhead. (4)
Class 4 (4th Engineer)
SC&S
📅 Jul 2022
Reference Answer
### (a) Wash Bulkheads
A wash bulkhead is a non-watertight, perforated transverse partition installed within a large tank, such as a cargo oil tank, deep tank, or ballast tank.
**1. Primary Purpose - Anti-Sloshing:**
* The primary function is to dampen the violent movement of liquid (sloshing) in partially filled tanks, which occurs due to the ship's pitching and rolling motions.
A wash bulkhead is a non-watertight, perforated transverse partition installed within a large tank, such as a cargo oil tank, deep tank, or ballast tank.
**1. Primary Purpose - Anti-Sloshing:**
* The primary function is to dampen the violent movement of liquid (sloshing) in partially filled tanks, which occurs due to the ship's pitching and rolling motions.
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