Group 3 · Faults that prohibit operating a vehicle · Question 2 of 59

A vehicle may not be operated if:

Choose an answer to check yourself.

Answer and explanation

Correct answer: The pressure gauge of the pneumatic brake system does not operate.

Explanation

A pressure gauge of a pneumatic or pneumohydraulic brake transmission that does not work is a brake-system fault that prohibits operation. For trucks the minimum residual tread depth is 1.0 mm, so 1.6 mm is acceptable (Rules, Annex 2, item 1(3); item 4(1)).

Source: the official question bank of the Road Police of Armenia (roadpolice.am (opens in a new tab))

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