Machine-translated by Google. Questions are authored in English.
Top

Discussion

Besides reducing friction, a lubricant in an internal combustion engine also acts as a

  • A.means of increasing the engine's ignition temperature
  • B.coolant and a carrier of contaminants
  • C.fuel supplement raising the calorific value
  • D.source of additional compression in the cylinder

Answer: B

Circulating oil carries heat from the pistons and bearings to the sump or the cooler and sweeps soot and wear metal to the filter. It also neutralises acids formed by combustion, which is why the detergent additives matter.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.