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Which of the following lights of a tractor may adversely affect visibility, if they are turned on while driving in fog?

High-beam lights.
Low-beam lights.
Anti-fog lights.

Which gear should you use in order to start moving a tractor on an icy surface?

Always the first gear.
Always the direct gear.
The gear which requires you to apply the lowest possible driving force of the wheels.

If, at night, you pass another car lighting the road with its lights, can this stop you from noticing any obstacles on the road?

Yes, because there is a possibility of being temporarily blinded by the lights.
No, the lights of the car coming from the opposite direction always improve visibility on the road.
No, this does not affect the visibility on the road.

Should you be more alert when you're driving at night?

Yes, because visibility at night is limited.
No, because there is less traffic on the road at night.
No, because at night one can turn on high-beam lights.

Which of the following factors may affect the observation of the road by a driver of a farm tractor?

Tiredness, which strains vision.
The type of surface on which the tractor is moving.
The width of the lane.

What factors may be an obstacle for proper observation of the road by a driver of a farm tractor driving at night?

Inability to distinguish shapes in the dark and sensitivity to being blinded.
The use of proper glasses for driving at night.
The sharpness of the driver’s vision.

While driving an agricultural tractor in a thick fog you should not use:

low beam lights.
high beam lights.
rear fog lights.

In which of the following cases are you obliged to give short sound signals when driving an agricultural tractor in the fog?

While passing a stationary vehicle or object outside a built up area.
While passing an oncoming vehicle outside a built up area.
While passing a stationary vehicle or object in a built up area.

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