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ES3-Maintenance and Repair of Machinery

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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 — ES3-Maintenance and Repair of Machinery” contains 128 questions across 1 collection.

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Sample questions and answers

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On a boiler, the valve fitted to protect the boiler from the effects of over pressure is called .................The source image is unavailable.

One correct answer

  • 1) the blow down valve.
  • 2) the main stop valve.
  • 3) the safety valve.✓ Correct answer
  • 4) the feed check valve.
When cleaning or overhauling purifiers, which of the following applies ?The source image is unavailable.

One correct answer

  • 1) The inside must only be cleaned with lubricating oil.
  • 2) The separation discs must be kept in their correct order.✓ Correct answer
  • 3) The discharge ports must be blocked before cleaning.
  • 4) The water supply should be left on during the whole operation.
Plate or tubular heat exchangers are used for which of the following ?The source image is unavailable.

One correct answer

  • 1) Heating steam while still in the boiler.
  • 2) Cooling the main engine fresh cooling water.✓ Correct answer
  • 3) Cooling the water for the fire main.
  • 4) Heating the galley range.
Side cutters are used .....The source image is unavailable.

One correct answer

  • 1) to cut the side of metal.
  • 2) to hold metal while it is being cut.
  • 3) to hold cold metal.
  • 4) to cut electrical wiring.✓ Correct answer
Ship's bunkers are ..........The source image is unavailable.

One correct answer

  • 1) another name for the ship's beds.
  • 2) a name to describe the spare gear held onboard.
  • 3) the stores that arrive on board when a ship is newly built.
  • 4) the fuel and lubricating oil used for the operation of the ship.✓ Correct answer

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