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What factors may obstruct a truck driver's field of vision?

Proper positioning of the steering column.
Flashing lights with the name of the driver placed on the windscreen.
Advertisements placed on the sides of the vehicle.

Which of the following measures may improve safety while driving a truck in fog?

Turning on the high-beam lights.
Keeping a safe distance from the preceding vehicle.
Turning on anti-fog rear lights, regardless of the visibility on the road.

Can an increase of speed affect a truck driver's perception?

Yes, a higher speed causes a change of perception.
No, perception in case of high speed does not differ from perception in case of lower speed.
Yes, but only when driving in conditions of limited visibility.

What factors may affect the proper observation of the road while driving a truck at night?

Inability to distinguish shapes in the dark and sensitivity to being blinded.
Use of glasses suitable for driving at night.
Proper visual acuity of the driver.

When can you use high-beam lights while driving a truck from dusk till dawn?

Always, as long as this does not blind other drivers.
On unlit roads, as long as this does not blind other drivers.
In thick fog which limits visibility to less than 50 m.

While driving a truck, when are you obliged to switch from high-beam to low-beam lights?

When another vehicle is approaching from the opposite direction.
When it starts to rain.
When you enter a built-up area.

While driving a truck, when must you switch from high-beam to low-beam lights?

Always when you see a vehicle in front of you.
Always when there is a possibility of blinding the driver of the vehicle in front of you.
Always when you see a single pedestrian on the road.

While driving a truck, when do you have to turn off the rear anti-fog lights?

When visibility increases to 30 m.
When visibility increases to 40 m.
When visibility increases to 60 m.

In which of the following cases is it acceptable to cover parts of the surface of the windscreen while driving a truck?

When the visibility of the road is limited by a notebook fixed to the windscreen with the transit route to your destination.
When the visibility of the road is limited by various kinds of decorations.
When a sunshade curtain is unrolled onto a part of the windscreen surface.

Switching on the rear fog light on the lorry increases visibility of the vehicle when driving:

only at night in any weather conditions.
in the daytime or at night, in any weather conditions.
in the daytime or at night, in conditions of reduced air transparency.

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