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EO3-Operate Main Machinery and 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 — EO3-Operate Main Machinery and Control Systems” contains 358 questions across 1 collection.

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Sample questions and answers

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What is the original power that moves the injection needle upwards in the injector and causes the injector to spray fuel under pressure into the cylinder?The source image is unavailable.

One correct answer

  • 1) The lifting pressure of the pump plunger.
  • 2) The mechanical force of the fuel cam.✓ Correct answer
  • 3) The hydraulic pressure in the fuel line.
  • 4) The balance pressure obtained by the injector spring.
You have a cylinder liner with 8 outlet holes for cylinder lubrication, how many clogged holes can you tolerate ?The source image is unavailable.

One correct answer

  • 1) 0✓ Correct answer
  • 2) 1
  • 3) 2
  • 4) 3
What type of turbocharger would be fitted to this engine ?Question illustration

One correct answer

  • 1) An impulse type.
  • 2) A constant pressure type.✓ Correct answer
  • 3) A dual entry type.
  • 4) A radial inlet type.
Which of the following alarms on UMS operation are not necessarily provided on the Fuel Oil Daily Tank (HFO) ?Question illustration

One correct answer

  • 1) Daily tank low temperature
  • 2) Daily tank low level
  • 3) Daily tank high Level
  • 4) Daily tank high temperature✓ Correct answer
Paint spraying has been carried out in the engine room while the engine was running and the turbocharger was not protected. This could cause which of the following ?The source image is unavailable.

One correct answer

  • 1) Higher than normal scavenging air pressure.
  • 2) Higher than normal revolutions on the turbocharger.
  • 3) Lower than normal revolutions on the turbocharger.
  • 4) Higher then normal exhaust gas temperatures.✓ Correct answer

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