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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 — EN-EO4-OAM-CS — 11_CES_EO4” contains 427 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.

How is the capacity of this type of refrigeration installation controlled ?Question illustration

One correct answer

  • By the compressor unloader.
  • By the expansion valve.
  • By the solenoid valve.
  • No capacity control is fitted.✓ Correct answer
Prior to starting the distillate pump, item No 7, it is necessary to make sure that ............................ in order to avoid the pump running dry.Question illustration

One correct answer

  • water is visible in the sight glass of the evaporator.✓ Correct answer
  • the discharge valve of the pump is shut.
  • the vacuum in the evaporator is still minimum.
  • the evaporator is full and under presuure.
If when you start up a purifier it does not come up to the desired revolutions, or it takes too long a time to come up to the required revolutions, you should change the ..............

One correct answer

  • purifier ball bearings.
  • friction pad linings.✓ Correct answer
  • gravity disc.
  • O-rings and seal set of the bowl.
What is a telemotor system?

One correct answer

  • Hydraulic actuation of steering rams.
  • Transfer of steering signals from wheel to steering gear.✓ Correct answer
  • Hand actuation of steering gear.
  • Steering gear feedback system.
What boiler mountings must be dismantled for inspection during survey?

One correct answer

  • Safety valves.
  • Gauge glass & valve components.
  • Feed water check valves.
  • All boiler mountings.✓ Correct answer

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