Step 3 » GENERAL learning environment Category B (B, B1)

For answer  A 

In the atmospheric conditions from the wording of the question you have the obligation to drive at a speed that does not exceed 30 km/h in the urban area and 50 km/h outside the urban area. See the explanation of answer C.

For answer  B 

The obligation to reduce the speed to the limit of avoiding any danger you have in all situations, not only in the atmospheric conditions from the wording of the question. Therefore answer B is not correct.

For answer  C 

When the visibility is reduced below 100 meters, in conditions of fog, torrential rain or heavy snowfalls, you have the obligation to drive at a speed that does not exceed 30 km/h in the urban area and 50 km/h outside the urban area.

The correct answer is: C

Recommendations:

Speed reduction and maximum speed limits - Audio-Video Lesson --> Road Traffic Code - Travel speed

For answer  A 

Regulation** - Article 123

The driver of the vehicle is obliged to drive at a speed that does not exceed 30 km/h in the urban area or 50 km/h outside the urban area, in the following situations:
[...]
j) when the visibility is below 100 m in conditions of fog, torrential rain, heavy snowfalls.

For answer  B 

OUG* - Article 35

(1) The participants in traffic must have a behaviour that does not affect the fluency and the safety of the traffic, does not endanger the life or the physical integrity of the persons and does not bring damage to the public or private property.
[...]

OUG* - Article 48

The driver of the vehicle must respect the legal speed limit and adapt it according to the road conditions, so that he can perform any maneuver in safety conditions.

For answer  C 

Regulation** - Article 123

The driver of the vehicle is obliged to drive at a speed that does not exceed 30 km/h in the urban area or 50 km/h outside the urban area, in the following situations:
[...]
j) when the visibility is below 100 m in conditions of fog, torrential rain, heavy snowfalls.

* OUG = GOVERNMENT EMERGENCY ORDINANCE no. 195 of December 12, 2002 updated (Road Traffic Code)
** Regulation = REGULATION for the implementation of OUG 195/2002 updated (Road Traffic Code Regulation)