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EN-EO5-OPS

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — 11_CES_EO5 — EN-EO5-OPS” contains 25 questions across 1 collection.

Learning

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Exam

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Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

Why does the fluid pass through the valve from beneath the valve lid?

One correct answer

  • The valve is easier to open.
  • With the valve closed the delivery pressure is isolated from the gland.✓ Correct answer
  • There is less restriction to flow in this direction.
  • There is less scouring of the valve seat at partial openings.
Under what circumstance may untreated bilges be discharged overboard in 'Special Areas'?

One correct answer

  • When proceeding Full Ahead.
  • During the hours of darkness.
  • Only in a case of emergency.✓ Correct answer
  • If the bilges are only to be lowered and not pumped right out.
If when in port there is an urgent requirement to pump bilge water from the vessel, what would you do?

One correct answer

  • Pump the bilges over the sides via the oily water separator.
  • Lower the bilges only during night time.
  • Pump the bilges only to a shore or barge reception facility.✓ Correct answer
  • Pump bilges in a dirty oil tank or sludge tank and note in logbook.
From the following pump capacities, which would be most suitable for the domestic fresh water system?

One correct answer

  • 5 m3/hour x 50 metres.✓ Correct answer
  • 0.5 m3/hour x 40 metres.
  • 20 m3/hour x 25 metres.
  • 40 m3/hour x 55 metres.
What maximum oil content may be discharged overboard in 'Special Areas'?

One correct answer

  • No oil content is permissable.
  • 15ppm.✓ Correct answer
  • 25ppm.
  • 50ppm.

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