page 1 of 2

If you drive a tractor, can you pull a trailer without side reflectors?

Yes.
No.
Yes, but only if it's shorter than 6 m.

How many mirrors should a tractor be equipped with?

One external mirror on the left.
At least two external mirrors, one on the left, and one on the right.
Three mirrors - external on the left and right, and an internal one.

What is the colour of the power cable in trailers with a two-circuit pneumatic braking system?

Red.
Yellow.
Black.

What is the colour of the control cable in trailers with a two-circuit pneumatic braking system?

Red.
Yellow.
Black.

What will be the effect of disconnecting the power cable of a trailer with two-circuit pneumatic braking system from a tractor?

The switching on of the trailer's brakes.
The switching off of the trailer's brakes.
This will not affect the operation of the trailer's brakes.

When must you check the level of the brake fluid?

Always, before I start the engine.
If the lamp signalling a low level of the brake fluid does not turn off or comes on while driving.
Each time, before I connect the trailer.

What should be the shape of the rear reflectors of a trailer pulled by a tractor?

Round.
Rectangular.
Triangular.

How should a tractor be marked?

With a warning triangle.
With a triangular warning plate.
With a rectangular warning plate.

How should a combination vehicle consisting of a tractor and a trailer be marked?

With a warning triangle.
With a triangular warning plate.
With a rectangular warning plate.

Can a trailer be equipped with tyres having various tread patterns?

Yes, if they are on the wheels of the same axle.
Yes, if they are on the wheels of different axles.
No.

page 1 of 2