OCTCO/OCTF Exit Exam • Set 1 Question 5 of 30

What system monitors and controls oily water discharge overboard from slop tanks?

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Direct Answer

Option D: Oil Discharge Monitoring and Control System (ODMCS)

ODMCS logs oil content, discharge rate (L/nm), and total oil discharged.

All Options

Salinometer

OWS 15 ppm alarm

Echo sounder

Oil Discharge Monitoring and Control System (ODMCS) (Correct Answer)

Detailed Explanation & Context

ODMCS logs oil content, discharge rate (L/nm), and total oil discharged.

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?