Class E (Truck) -7- Vehicle Technology - Level 2

2 of 2 Levels

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

When does the overrun brake of a trailer become effective?

When the trailer moves away from the towing vehicle when starting

By a hand lever on the towing vehicle

When the electrical actuation is triggered

When the trailer runs up onto the braking towing vehicle

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

You are pulling an overrun-braked trailer with an "off-road capable" towing vehicle. What weight ratio must be observed between the two vehicles?

The gross weight of the trailer plus 75 kg must not exceed the gross weight of the towing vehicle

The gross weight of the towing vehicle and the trailer must be the same

The gross weight of the trailer must not exceed 1.5 times the maximum permissible gross weight of the towing vehicle

The gross weight of the trailer must not be greater than the curb weight of the towing vehicle

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

You are pulling an overrun-braked trailer with your car that has 1,400 kg gross weight. What must you pay attention to?

Due to the steep and prolonged descent, I must drive so slowly that the brakes of the towing vehicle do not overheat

Due to the steep and prolonged descent, I must primarily use the braking effect of the car engine

Due to the steep and prolonged descent, I must drive so slowly that the trailer brakes do not overheat

Due to the high weight of the trailer, I must drive at least 80 km/h. Only this way are the trailer brakes sufficiently cooled by the airflow

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

How can you tell that a towing vehicle has been registered as "off-road capable"?

If the towing vehicle has off-road tires

If it is entered in the registration certificate

If the towing vehicle has all-wheel drive

If the towing vehicle has an off-road gear

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

How can you tell that a towing vehicle has been registered as "off-road capable"?

If the letter "G" appears as an addition under the heading "J - Vehicle class" in the registration certificate

If the towing vehicle has an off-road gear

If the towing vehicle has off-road tires

If there is a "G" in the vehicle identification number

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

You want to pull an overrun-braked trailer with this towing vehicle. What is the maximum gross weight the trailer may have?

The gross weight of the towing vehicle and the trailer must be the same

The gross weight of the trailer must not exceed 1.5 times the maximum permissible gross weight of the towing vehicle

The gross weight of the trailer may be at most 3,300 kg

The gross weight of the trailer must not be greater than the curb weight of the towing vehicle

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

You are pulling an overrun-braked trailer with a non-off-road passenger car. What weight ratio must be observed between the two vehicles?

The gross weight of the trailer must not be greater than the curb weight of the towing vehicle

The gross weight of the towing vehicle and the trailer must be the same

The gross weight of the trailer must not be greater than the maximum permissible gross weight of the towing vehicle

The gross weight of the trailer plus 75 kg must not be greater than the gross weight of the towing vehicle

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

You want to couple a trailer with a sway damper. What do you have to pay attention to?

The ball of the trailer coupling on the towing vehicle must be completely grease-free

The cap of the trailer coupling of the trailer must not protrude over the ball on the towing vehicle

The ball of the trailer coupling on the towing vehicle must be completely covered with grease

The cap of the trailer coupling of the trailer must be heavily oiled

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

What problems can occur when you are pulling an overrun-braked trailer?

Since no "stretched" braking is possible, heavy braking can cause the vehicle combination to jackknife

The overrun brake is ineffective when the vehicle combination is standing downhill

On longer downhill drives, the trailer brakes can overheat

The overrun brake is ineffective when the vehicle combination is standing uphill

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

You are pulling an overrun-braked trailer with your car. Why can the trailer brakes overheat if you drive too fast downhill?

The material of the brake drums of the trailer has lower quality than that of the brake discs of the car

Drum brakes of car trailers are cooled significantly worse than disc brakes of cars

Downhill, the trailer brake is constantly activated by the trailer running up onto the car

The material of the brake discs of the car has lower quality than that of the brake drums of the trailer

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Category: Class E (Truck) -7- Vehicle Technology - Level 2

What brake system is usually used on trailers of vehicle class O1 or O2?

An electric brake system

An overrun brake

A hydraulic brake system

A compressed air brake system

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Class E (Truck) -7- Vehicle Technology – Level 2