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EO7-Maintain Marine Engineering & Control Systems

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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 — EO7-Maintain Marine Engineering & Control Systems” contains 268 questions across 1 collection.

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Sample questions and answers

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On this commonly used electric pressure transmitter, how will you adjust the range ?Question illustration

One correct answer

  • 1) With item No. 1.
  • 2) With item No. 2.
  • 3) With item No. 5.
  • 4) With item No. 7.✓ Correct answer
How is the radius put on thread crests?The source image is unavailable.

One correct answer

  • 1) Grinding the threading tool to the correct shape.
  • 2) Using a hand-chasing tool.✓ Correct answer
  • 3) Using a hand file.
  • 4) Using a separate, correctly ground tool.
When machining a work piece in the centre lathe, what is the purpose of centre drilling the end of the work piece?The source image is unavailable.

One correct answer

  • 1) To centre the end for use with the tailstock centre.
  • 2) To centre the end for use with the headstock centre.
  • 3) When turning between centres.
  • 4) For any of these.✓ Correct answer
On a centre lathe, when turning between centres why may the tailstock centre require backing off?The source image is unavailable.

One correct answer

  • 1) To allow access for the tool to the end of the work piece.
  • 2) For facing off the end of the work piece.
  • 3) To allow for expansion of the work piece during machining.✓ Correct answer
  • 4) To cool the centre bearing.
Which component of a general service air compressor requires most maintenance?The source image is unavailable.

One correct answer

  • 1) Piston and rings.
  • 2) Bearings.
  • 3) Delivery valves.✓ Correct answer
  • 4) Suction valves.

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