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EN-EO3-OMM-CS

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — 11_CES_EO3 — EN-EO3-OMM-CS” contains 96 questions across 1 collection.

Learning

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Sample questions and answers

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Broken piston rings on diesel engines, if not visibly broken, can be identified because ..............................

One correct answer

  • the ring or groove clearances have worn in excess.
  • the piston crowns have developed hot spots and burning marks over the surface.
  • the piston skirts show marks of burned oil.
  • they are darker in colour and lack elasticity when pushed towards the inside of their grooves.✓ Correct answer
Why would a check on Diesel engine cylinder compression pressure be made?

One correct answer

  • To check the mechanical condition of valves and piston rings.✓ Correct answer
  • To assess the engine efficiency.
  • To enable the engine power to be calculated.
  • To check the efficiency of the turbo charger.
What is the most usual damage caused by a broken timing chain on a Diesel engine?

One correct answer

  • Broken valve stems.
  • Broken connecting rods.
  • Bent push rods.✓ Correct answer
  • Broken camshaft.
Clearing a cylinder of exhaust gases by forcing in a current of air which provides clean air for the next compression stroke is called .....

One correct answer

  • expansion.
  • compression.
  • scavenging.✓ Correct answer
  • cycle.
If the system pressure is 3.5 kg/cm2, what will be the pressure in the buffer vessels ?

One correct answer

Question illustration
  • Exactly the same, 3.5kg/cm2
  • Higher than 3.5 kg/cm2.
  • Lower than 3.5 kg/cm2.
  • Fluctuating around 3.5 kg/cm2✓ Correct answer

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