OCTCO/OCTF Exit Exam • Set 1 Question 15 of 30

What is Load on Top (LOT) procedure?

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Direct Answer

Option D: Decanting clean water under settled slops and loading fresh crude directly on top

Load on Top involves settling slop water mixtures, decanting the clean water layer into the sea via the ODMCS, and loading fresh crude oil directly on top of the remaining residues.

All Options

Pumping without sounding

Overfilling tanks

Heavy cargo over light cargo

Decanting clean water under settled slops and loading fresh crude directly on top (Correct Answer)

Detailed Explanation & Context

Load on Top involves settling slop water mixtures, decanting the clean water layer into the sea via the ODMCS, and loading fresh crude oil directly on top of the remaining residues.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).

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More Questions in OCTCO/OCTF Set 1

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Q1 What MARPOL Annex regulates prevention of oil pollution from tankers? Q2 What is the maximum oxygen content allowed in inert gas supplied to cargo tanks? Q3 What operation uses crude oil jets to clean sludges from tank walls during discharge? Q4 What condition is mandatory before starting Crude Oil Washing (COW)? Q5 What system monitors and controls oily water discharge overboard from slop tanks? Q6 What is the maximum instantaneous rate of oil discharge allowed outside Special Areas under MARPOL Annex I? Q7 What device stops hydrocarbon gas backflowing from cargo tanks into the machinery space? Q8 What instrument measures flammable vapor concentration as a percentage of LEL? Q9 What is Reid Vapor Pressure (RVP)? Q10 What device protects oil cargo tanks against overpressure or vacuum structural damage?