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Engine Category > EO3-Operate Main 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 > EO3-Operate Main Machinery and Control Systems” contains 107 questions across 1 collection.

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Which of the following alarms on UMS operation are not necessarily provided on the Fuel Oil Daily Tank (HFO) ?

One correct answer

Question illustration
  • 1) Daily tank low temperature
  • 2) Daily tank low level
  • 3) Daily tank high Level
  • 4) Daily tank high temperature✓ Correct answer
During normal operation, the telescopic piping of this diesel engine's piston are sliding up and down into ....

One correct answer

Question illustration
  • 1) the crankcase cooling space.
  • 2) compressed air vessels.
  • 3) piston cooling water piping.
  • 4) telescopic buffer vessels.✓ Correct answer
On which unit of the scavenge air system is an automatic drain fitted ?

One correct answer

Question illustration
  • 1) On the exhaust gas boiler.
  • 2) On the turbo blower.
  • 3) On the scavenge air blower.
  • 4) On the scavenge air manifold.✓ Correct answer
Which of the following are not necessarily fitted on a HFO settling tank?

One correct answer

Question illustration
  • 1) A drain valve (Spring loaded)
  • 2) Quick closing shut-off valves (remote operated)
  • 3) A thermometer
  • 4) A remote tank gauging system✓ Correct answer
A ship makes an observed speed of 17 knots. The engine speed is calculated to be 17.5 knots. What is the propeller slip?

One correct answer

Question illustration
  • 1) 28.5 %
  • 2) 285 %
  • 3) .0285 %
  • 4) 2.85 %✓ Correct answer

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