Class C -9- Additional Questions Class F to Class C - Level 3

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer equipped with a two-line compressed air brake system with a tractor. What adjustment options are there for manually adjustable brake force regulators on the trailer?

Fully loaded

Release

Empty

Half loaded

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow two trailers registered for road use with a tractor as part of an agricultural or forestry operation. Under what conditions are you allowed to do this?

The first trailer may not have more than 2 axles

Both trailers must have multiple axles

The gross weight of the vehicle combination may not exceed 40 t

Both trailers must be braked

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You have coupled a trailer with a two-line compressed air brake system to your tractor. What are the consequences if the brake force regulator is set incorrectly?

With a fully loaded trailer, the braking effect is too weak. The trailer can start to push

If the trailer brake remains released, the trailer's wheels lock

With an empty trailer, the braking effect is too strong. The trailer's wheels can lock

If the trailer brake remains released, the trailer does not brake

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer equipped with a two-line compressed air brake system with a tractor. What is the purpose of the air hose coupled to the yellow compressed air brake connection?

It causes a full brake application on the trailer when the trailer breaks away

It triggers braking on the trailer when the tractor's parking brake is operated

It triggers braking on the trailer when the tractor's service brake is operated

It ensures the compressed air supply to the trailer

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to release the brake on an uncoupled trailer with a two-line compressed air brake system. What options do you have?

I pull the actuating button on the release valve if a release valve exists

I set the brake force regulator to the "Release" position if this position exists

I set the brake force regulator to the "Empty" position

I press the actuating button on the release valve if a release valve exists

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer not registered for road use with a tractor. The trailer is equipped with a compressed air brake system. What is the maximum weight the trailer may have if you want to drive up to 25 km/h?

18 t

8 t

24 t

10 t

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer equipped with a two-line compressed air brake system with a tractor. What triggers braking on the trailer?

Pressure drop in the yellow line

Pressure increase in the red line

Pressure drop in the red line

Pressure increase in the yellow line

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer equipped with a two-line compressed air brake system with a tractor. What is the purpose of the brake force regulator on the trailer?

It limits the maximum possible supply pressure in the trailer's reservoir

It prevents the braked wheels from locking when braking

It limits the maximum possible brake pressure in the trailer's wheel brake cylinders

It allows the maximum possible braking force to be adjusted to the trailer's load condition

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer equipped with a two-line compressed air brake system with a tractor. What is the purpose of the air hose coupled to the red compressed air brake connection?

It triggers braking on the trailer when the tractor's service brake is operated

It ensures the compressed air supply to the trailer

It causes a full brake application on the trailer when the trailer breaks away or is uncoupled

It triggers braking on the trailer when the tractor's parking brake is operated

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer equipped with a two-line compressed air brake system with a tractor. The color of the coupling heads on the tractor is no longer recognizable. Where are the respective coupling heads located?

The red supply head is always mounted on the left

There is no regulation for this, it must be tried out

The yellow supply head is always mounted on the right

The red supply head is always mounted on the right

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow a trailer not registered for road use with a tractor. Under what conditions are you allowed to drive up to 25 km/h?

If the trailer is equipped with an overrun brake and in this case has no more than 3.5 t maximum weight specified by the vehicle manufacturer

If a white sign with the black inscription "25 km" is attached at the rear of the trailer

If the trailer is braked with a compressed air brake system, equipped with brake force regulation and has a mechanical parking brake

If the trip is part of an agricultural or forestry operation

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Category: Class C -9- Additional Questions Class F to Class C - Level 3

You want to tow two trailers registered for road use with a tractor as part of an agricultural or forestry operation. What is the maximum length of this vehicle combination?

15.65 m

12.00 m

16.40 m

18.75 m

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Class C -9- Additional Questions Class F to Class C – Level 3