Step 3 » GENERAL learning environment Category C (C, C1)

GENERAL Learning Environment Category C (C, C1)
Question 219 of 533

The oils for engines with spark ignition are symbolized with the letter:

A B;
B V;
C S.

Explanation

Explanation text category C / driving tests drpciv:
The oils for engines with spark ignition are symbolized with the letter S (M.A.S.). Usually the letter S is followed by another letter which shows the quality of the oil, for example SA which is the weakest oil or SL which is the best (at the moment).
The engine oil is a fluid that has the role of creating an insulating film between the various moving elements inside the engine. 
The main properties of the engine oil are:
- resistance to wear.
- viscosity depending on temperature.
- chemical composition.
Correct answer: C
 
Driving tests drpciv category C explained.

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