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Engine Category > EO4-Operate Auxiliary Machinery and Control Systems

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Videotel questions are grouped by professional topic, including machinery, electrical equipment, fuel and ballast operations. Choose a subject relevant to your preparation.

“Видеотел — Engine Category > EO4-Operate Auxiliary Machinery and Control Systems” contains 183 questions across 1 collection.

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What is the principle in which oil/water separation takes place in this cascade tank ?

One correct answer

Question illustration
  • 1) By separation frames.
  • 2) By directional change and centrifugal action in triple-action.✓ Correct answer
  • 3) By acceleration through chambers.
  • 4) By acceleration and gravitation.
Item "H' of the drawing indicates ............................ of this turbine installation ?

One correct answer

Question illustration
  • 1) the distributor.
  • 2) the steam filter.
  • 3) the manoevring stand.✓ Correct answer
  • 4) the steam reducer.
If insufficient water sealing is present (blue colour) in the bowl of this separator, what will be the effect ?

One correct answer

Question illustration
  • 1) Water will discharge with the clean oil.
  • 2) Insufficient oil will be pumped through the purifier.
  • 3) The purifier will overflow oil on the water side.✓ Correct answer
  • 4) The high temperature alarm will activate.
What is the ideal temperature to maintain the diesel oil daily tank and how is this achieved ?

One correct answer

Question illustration
  • 1) 45 degree C, by circulating the fuel with the purifier tank.✓ Correct answer
  • 2) 45 degree C, by application of steam heating.
  • 3) 65 degree C, by application of steam heating.
  • 4) 65 degree C, by circulating the fuel with the purifier tank.
Which force is acting to separate water from oil in this separator ?

One correct answer

Question illustration
  • 1) Centrifugal force.
  • 2) Gravitational force.✓ Correct answer
  • 3) Kinetic energy.
  • 4) Chemical potential.

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