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CD0046. Auxiliary boiler plant

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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 — CD0046. Auxiliary boiler plant” contains 46 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.

A burner should never be ignited on a hot furnace wall because

One correct answer

  • the burner may not work properly
  • It would increase maintenance time on equipment
  • There could be danger of explosion✓ Correct answer
The vent valve on boiler must be kept open when boiler is depressurized

One correct answer

  • To give visible indication of boiler being shut down
  • to expel air
  • To prevent vacuum formation inside boiler shell✓ Correct answer
Before firing the boiler, the oil is heated and re-circulated to

One correct answer

  • to avoid wastage of oil
  • to reach every part of the circulating system
  • so that it is at the correct viscosity at the burners✓ Correct answer
How is the water in the primary steam system circulated?

One correct answer

  • By the difference in density of steam and water.✓ Correct answer
  • By a circulating pump outside the boiler.
  • By the feed water pressure.
What is the function of a “high/low selector”?

One correct answer

  • To select fuel/air lead/lag during reducing/increasing boiler load.✓ Correct answer
  • Selecting high or low boiler water level automatically.
  • Selecting high or low boiler load.

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Can I use my result as an official document?

No. This is independent practice. A result does not replace an examination, certificate or knowledge check by an authorised organisation.