PSSR Exit Exam • Set 4 Question 5 of 30
Under MARPOL Annex I, crude oil tankers of 20,000 tons deadweight (DWT) and above delivered after June 1, 1982, must be fitted with a tank cleaning system known as:
✓
Direct Answer
Option B: Crude Oil Washing (COW)
Crude Oil Washing (COW) is a system of cleaning cargo tanks by using the crude oil cargo itself through fixed tank cleaning machines, which helps prevent sludge build-up and reduces the amount of oily waste generated.
All Options
A
High-Pressure Steam Scubbing (HPSS)
B
Crude Oil Washing (COW)
(Correct Answer)
C
Water Washing (WW)
D
Chemical Solvent Flushes (CSF)
Detailed Explanation & Context
Crude Oil Washing (COW) is a system of cleaning cargo tanks by using the crude oil cargo itself through fixed tank cleaning machines, which helps prevent sludge build-up and reduces the amount of oily waste generated.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Safety & Social Responsibilities (PSSR).
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