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

GENERAL Learning Environment Category D (D, D1, Tb, Tv)
Question 446 of 485

The number 14 in the marking 185/70R 14, present on a tyre, represents:

A the maximum speed limit at which it can run, namely 140 km/h;
B the diameter of the rim, expressed in inches, meaning the equivalent of 365 mm;
C the recommended pressure, namely 1.4 atmospheres.

Explanation

Explanation text category D / driving tests drpciv:
The number 14 in the marking 185/70R 14, present on a tyre, represents the diameter of the rim, expressed in inches, meaning the equivalent of 365 mm.
The markings on the sidewalls such as 185/70R 14 84V mean:
- 185 represents the width of the tyre in millimetres.
- 70 represents the ratio between the height of the sidewall and the width of the tyre.
- R represents the radial structure.
- 14 represents the inner diameter of the tyre.
- 84 represents the maximum permissible load on a tyre at maximum speed, this number being the corresponding load of 500 kg.
- V represents the speed index.
Correct answer: B
 
Driving tests drpciv category D explained.

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