Step 3 » GENERAL learning environment Category D (D, D1, Tb, Tv)

GENERAL Learning Environment Category D (D, D1, Tb, Tv)
Question 43 of 485

By “compression ratio” is understood:

A the ratio between the volume of all cylinders and the volume of the pistons;
B the ratio between the volume of the combustion chamber and the volume of the cylinder;
C the ratio between the volume of the cylinder and the volume of the combustion chamber.

Explanation

Explanation text category D / driving tests:
By “compression ratio” is understood the ratio between the volume of the cylinder and the volume of the combustion chamber. The compression ratio is approximately 10:1 for MAS engines and approximately 20:1 for MAC, meaning almost double.
Correct answer: C
 
Driving tests category D explained.

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