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CD0009. Fuel Oil System

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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 — CD0009. Fuel Oil System” contains 71 questions across 1 collection.

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Sample questions and answers

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What is meant by the term common rail system when applied to a diesel engine fuel injection system?

One correct answer

  • A system in which the high pressure pumps deliver into a manifold supplying all of the fuel injectors.✓ Correct answer
  • A system in which the high pressure pumps are supplied from a common suction manifold.
  • A system in which a multi cylinder fuel pump block is used.
  • A system where all of the fuel pumps are controlled by a single fuel rack.
Which one of the following best describes why a low pressure alarm is often fitted in the low pressure part of a diesel engine heavy fuel oil system?

One correct answer

  • To minimise the risk of engine fuel starvation✓ Correct answer
  • To indicate when distillate fuel has reached the pump supply manifold
  • To indicate when the level in the fuel oil service tank is low.
  • To indicate when the service tank valve is not fully open.
Which one of the following features would you expect to find with an inline multi cylinder fuel pump block arrangement?

One correct answer

  • A single rack to control all of the fuel pumps simultaneously.✓ Correct answer
  • A separate camshaft for each cylinder
  • High pressure fuel pipes without bends
  • Positioning on the engine at crankshaft level
Some machines use fuel directly to provide the energy required for operation. Which of the following machines would you include in this group?

One correct answer

  • Diesel engine✓ Correct answer
  • Electric motor
  • Air compressor
  • Steam turbine
When would an oil fired inert gas generator normally be fitted onboard an oil tanker?

One correct answer

  • When the vessel has no steam boiler.✓ Correct answer
  • When the vessel has a steam propulsion plant
  • When the vessel has diesel propulsion and an auxiliary steam plant.
  • When the vessel has steam turbine driven generators.

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