Category E, Bulgarian driving theory

Free practice for the Bulgarian category E driving theory exam: 135 official questions with AI explanations. The exam has 45 questions in 40 minutes, pass mark 36%.

Exam format: 45 questions, 40 minutes, pass mark 36%.

Topics

• Tractor & trailer types (21)
• Trailer types (22)
• Coupling systems (36)
• Braking systems (24)
• Safety rules (32)

Sample questions

1. The service brake system of trailers with maximum permissible mass above 3,5 t must be:

   • of the continuous type only
   • of the inertial type
   • of the continuous or semi-continuous type

2. In “centre-axle” trailers, in case of uniform load, the trailer axle is located close to its centre of gravity.

   • correct
   • incorrect

3. In case of a uniform load, the “centre-axle trailer” transmits to the towing vehicle a vertical load, which does not exceed:

   • 10 % of the maximum permissible mass of the trailer
   • 25 % of the maximum permissible mass of the trailer
   • 40 % of the maximum permissible mass of the trailer
   • 50 % of the maximum permissible mass of the trailer