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ES1-Pumping Operations (Basic)

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About this collection

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 — ES1-Pumping Operations (Basic)” contains 20 questions across 1 collection.

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Sample questions and answers

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Centrifugal purifiers are used on board ship ..............The source image is unavailable.

One correct answer

  • 1) to clean fresh water before it is supplied for drinking.
  • 2) to ensure compressed air is clean before it is used.
  • 3) remove all the dirt and water from fuel and lubricating oil.✓ Correct answer
  • 4) to clean bilge water before discharging overboard..
Which type of pump would be most suitable for pumping large quantities such as oil cargoes ?The source image is unavailable.

One correct answer

  • 1) Reciprocating pumps.
  • 2) Screw pumps.
  • 3) Gear pumps.
  • 4) Centrifugal pumps.✓ Correct answer
In an engine room, pipework coloured green carries which of the following ?The source image is unavailable.

One correct answer

  • 1) Sea water.✓ Correct answer
  • 2) Lubricating oil.
  • 3) Fresh water for main engine cooling.
  • 4) Fresh water for drinking.
The main lubricating oil pumps would supply ..............The source image is unavailable.

One correct answer

  • 1) salt water to the main engine.
  • 2) lubricating oil to the air compressors.
  • 3) lubricating oil to the main engine.✓ Correct answer
  • 4) fuel oil to the main engine.
In the engine room a pressure vessel half full of air and half of water that supplies water to the accommodation is called ..........The source image is unavailable.

One correct answer

  • 1) a fresh water tank.
  • 2) a pneupress or hydrophore tank.✓ Correct answer
  • 3) a mains water supply.
  • 4) an evaporator.

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