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CD0018. Cooling Systems

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About this collection

The Seagull CBT bank is organised into modules covering safety, shipboard operations, maintenance and other topics. Original module names and codes are retained to help you find the topic you need.

“Seagull CBT — CD0018. Cooling Systems” contains 67 questions across 1 collection.

Learning

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Exam

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Sample questions and answers

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At which point in a diesel engine jacket cooling water system is the temperature normally measured for temperature control purposes?

One correct answer

  • At the engine outlet.✓ Correct answer
  • At the outlet from the heat exchanger.
  • At the header tank.
  • At the engine inlet.
Where would you find detailed information relating to health and safety and environmental hazards associated with cooling water system treatment chemicals?

One correct answer

  • From the material safety data sheets.✓ Correct answer
  • On the packaging or container for the treatment.
  • In the engine manual.
  • From the delivery note.
Chromate based corrosion inhibitors are not allowed as the cooling water treatment in some situations. In which of the following must alternatives be used?

One correct answer

  • When the system includes a fresh water generator for producing potable water.✓ Correct answer
  • When the system includes a fresh water generator for producing boiler feed water.
  • When the system doesn’t include a fresh water generator.
  • In a central cooling system.
Which of the following values would be a typical value for the specific heat capacity of a mineral oil?

One correct answer

  • 2.0 kJ/kgK✓ Correct answer
  • 2.0 kJ
  • 4.2 kJ/kgK
  • 4.0 kJ
How should the jacket water flow through the deaerator?

One correct answer

  • With a rotational flow through the baffles.✓ Correct answer
  • Vertically upwards through the baffles.
  • Vertically downwards through the baffles.
  • From the center outwards through the baffles.

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