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Key Facts: Kunskapsprov BE Exam

60

Total Questions

Trafikverket

55

Scored Questions

Trafikverket

44 of 55

Passing Score

Trafikverket

40 min

Time Limit

Trafikverket

420 SEK

Daytime Theory Test Fee

Trafikverket 2026

1 year

BE Theory Pass Validity

Trafikverket

3,500 kg

Max Trailer Totalvikt with BE

Transportstyrelsen

80 km/h

Max Speed with Braked Trailer

Trafikförordningen

The Swedish Category BE car and heavy-trailer theory test has 60 questions in 40 minutes. Five questions are unscored trial items, requiring 44 of 55 scored points to pass. The standard 2026 theory fee is 420 SEK daytime or 520 SEK after 18:00/weekends. An approved BE theory test is valid for 1 year. Category BE entitles the holder to tow trailers up to 3,500 kg totalvikt behind a 3,500 kg vehicle (max combination 7,000 kg). Independent Category BE practice by OpenExamPrep prepares candidates across all five Trafikverket knowledge areas.

Sample Kunskapsprov BE Practice Questions

Try these sample questions to review concepts for the Kunskapsprov BE exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the standard nominal diameter for the towball (dragkula) on a passenger car used to tow a Category BE trailer in Sweden?
A.45 mm
B.60 mm
C.55 mm
D.50 mm
Explanation: In Sweden and across the EU, passenger cars and light trailers use a standardized 50 mm diameter towball (dragkula). The ball must be replaced or the coupling serviced if it wears down below the manufacturer minimum (typically 49.0 mm).
2What is the primary safety function of the safety breakaway cable (säkerhetsvajer / katastrofvajer) on a braked trailer?
A.To hold the trailer securely coupled to the car if the towball snaps
B.To apply the trailer brakes if the trailer uncouples while moving
C.To prevent electrical surge from damaging the trailer lighting circuit
D.To equalize hydraulic pressure inside the overrun braking mechanism
Explanation: The breakaway cable is connected directly to the trailer handbrake mechanism. If the trailer becomes detached while moving, the cable pulls the trailer handbrake to full application before snapping, bringing the runaway trailer to an emergency stop.
3How should the safety breakaway cable (säkerhetsvajer) be attached to the towing car?
A.Fastened to a designated attachment eyelet on the car or towbar
B.Looped loosely over the detachable towball neck without touching any bracket
C.Tied around the car's rear exhaust mount or bumper reinforcement
D.Clamped to the electrical socket housing on the towbar
Explanation: The safety breakaway cable must be attached to an eyelet or dedicated point on the car or towbar structure. If merely looped over a detachable towball, the safety cable will fail to activate if the towball itself detaches from the vehicle.
4How does the overrun brake (påskjutsbroms) on a Category BE trailer operate during braking?
A.Electrical impulses from the car's brake pedal trigger solenoids at the trailer wheel hubs
B.Pneumatic air lines supply compressed air from the car to brake actuators on the trailer
C.The trailer's inertia pushes the drawbar in, which mechanically applies the trailer brakes
D.A continuous vacuum hose connected to the car's intake manifold operates the trailer brake drums
Explanation: An overrun brake (påskjutsbroms) is a mechanical inertia system. When the towing car decelerates, the trailer pushes forward against the car's hitch, compressing the sliding drawbar and actuating the trailer brakes via brake rods and cables.
5What is a clear symptom that the overrun brake damper (påskjutsdämpare) on a trailer is defective or completely worn out?
A.The trailer brakes fail to release when driving forward uphill
B.The trailer hits the car with a hard jerk every time you brake
C.The trailer wheels lock permanently in reverse even on level ground
D.The electrical indicators on the trailer flash at double their normal rate
Explanation: The overrun damper cushions the compression of the sliding drawbar. When the hydraulic damper loses resistance or leaks oil, the drawbar slams forward without damping, creating a violent metallic bang and abrupt trailer braking.
6What is the function of the reverse release mechanism (backautomatik) on a modern trailer with overrun brakes?
A.It engages the trailer parking brake automatically whenever reverse gear is selected
B.It automatically steers the trailer wheels in the opposite direction of the car
C.It turns off the trailer rear lights to prevent glaring other drivers during reversing
D.It lets the car reverse the trailer without the overrun brakes locking the wheels
Explanation: When reversing, the car pushes against the trailer drawbar, which compresses the overrun mechanism. The reverse automatic system (backautomatik) is designed inside the brake drums to disengage or yield shoe friction in reverse rotation, allowing smooth reversing.
7How is the curb weight (tjänstevikt) of a passenger car defined under Swedish vehicle regulations?
A.The car's weight in running order, with fuel, standard equipment and a 75 kg driver
B.The bare chassis weight without oil, coolant, spare wheel, or driver
C.The actual total weight recorded on a public weighbridge including all current cargo and all seated passengers
D.The maximum permissible combined weight of the car and any attached trailer
Explanation: Under the Swedish road-traffic definitions (lag 2001:559 om vägtrafikdefinitioner), a car's tjänstevikt is its weight in normal, fully operational condition including fuel, lubricants, coolant, tools, spare wheel and the driver (calculated with a standard driver weight, usually 75 kg).
8What does the term totalvikt (gross vehicle weight rating) represent on a trailer's Swedish registration certificate?
A.The actual weight of the trailer and its load measured on a scale during a police roadside check
B.The maximum vertical downward force allowed on the towball coupling head
C.The maximum permitted weight of the trailer plus its load, set at registration
D.The unladen weight of the empty trailer without side rails or tarpaulin
Explanation: Totalvikt is a fixed, legally determined maximum weight rating stated on the registration certificate (registreringsbevis). It is the sum of the trailer's unladen curb weight (tjänstevikt) and its maximum legal payload (maxlast).
9How is maximum payload (maxlast) calculated for any registered trailer?
A.Maxlast = Totalvikt minus Tjänstevikt
B.Maxlast = Bruttovikt plus Kultryck
C.Maxlast = Tjänstevikt divided by 2
D.Maxlast = Totalvikt multiplied by 0.80
Explanation: Maxlast is legally defined as totalvikt minus tjänstevikt. It represents the maximum weight of cargo that the trailer can legally carry.
10A trailer has a totalvikt of 2,400 kg and a tjänstevikt of 600 kg. If it currently carries 1,000 kg of cargo, what is its current bruttovikt?
A.1,000 kg
B.1,600 kg
C.1,800 kg
D.2,400 kg
Explanation: Bruttovikt is the actual weight of the vehicle and its load at the present moment. Here, the empty trailer (tjänstevikt 600 kg) plus the actual cargo (1,000 kg) equals a bruttovikt of 1,600 kg.

About the Kunskapsprov BE Exam

Kunskapsprov BE is the Swedish Category BE driving-licence theory test for passenger cars and light trucks towing heavy trailers. Trafikverket administers the computer-based knowledge test and the practical driving test, and Transportstyrelsen sets the licensing rules under Körkortslagen (1998:488). Category BE permits driving a car or light truck (totalvikt up to 3,500 kg) coupled with one or more trailers whose combined totalvikt is up to 3,500 kg, allowing combinations up to 7,000 kg. The test contains 60 questions in 40 minutes, where 55 count toward the score and 5 are unscored trial questions. A passing score of 44 out of 55 is required, and an approved BE theory test is valid for 1 year toward the practical driving test. The official test is taken in Swedish. Independent Category BE practice by OpenExamPrep is an English-language multiple-choice study adaptation, not an official translation or simulation, covering Swedish trailer regulations, coupling safety, ball pressure (kultryck), overrun braking (påskjutsbroms), load securing, and motorway towing rules.

Exam sponsor: Trafikverket Förarprov, with licensing requirements set by Transportstyrelsen. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Computer-based theory test with 60 multiple-choice questions; 55 are scored and 5 are unscored trial questions. One answer option is correct for each question.

Time Limit

40 minutes

Passing Score

44 of 55 scored questions

Exam / Certification Fees

420 SEK daytime; 520 SEK after 18:00 and weekends for BE theory tests (Trafikverket 2026)

Exam sponsor website

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Trafikverket content area

Vehicle Knowledge and Manoeuvring

Coupling mechanisms, 50 mm ball hitch inspection, safety breakaway cable (säkerhetsvajer), overrun inertia brakes (påskjutsbroms), lighting, triangular rear reflectors, weight definitions (tjänstevikt, totalvikt, maxlast, bruttovikt), towball pressure (kultryck) effects, and load securing (80% forward, 50% sides/rear, tensioning STF and lashing LC)

Trafikverket content area

Environment

Eco-driving with heavy combinations, minimizing aerodynamic drag of box trailers and horseboxes, trailer tyre pressures to lower rolling resistance, and cargo distribution

Trafikverket content area

Traffic Safety

Extended stopping distances with laden trailers, trailer sway (slingring) and recovery via firm straight-line braking, jackknifing (fällknivseffekt), mirror requirements for wide trailers, blind spots, reversing geometry, and winter driving with studded trailer tyres

Trafikverket content area

Traffic Rules

Category BE entitlement scope (car up to 3,500 kg + trailers up to 3,500 kg combined, total combination up to 7,000 kg), speed limits (80 km/h with a braked trailer, 40 or 30 km/h for heavier unbraked trailers, 30 km/h when towing a broken-down vehicle), lane rules on three-lane roads, overhang marking (rear over 1 m; front unless under 1 m and clearly visible), and trailer-specific signs such as C6, C18 and C21

Trafikverket content area

Personal Conditions

Driver fitness, fatigue management during heavy towing, alcohol limit (0.2 per mille / 0.10 mg/l breath), driver pre-trip inspection duties (säkerhetskontroll), and legal liability for vehicle roadworthiness

Preparing for the Kunskapsprov BE Exam

What You Need to Know

  • Passing score: 44 of 55 scored questions
  • Assessment: Computer-based theory test with 60 multiple-choice questions; 55 are scored and 5 are unscored trial questions. One answer option is correct for each question.
  • Time limit: 40 minutes
  • Exam / certification fees: 420 SEK daytime; 520 SEK after 18:00 and weekends for BE theory tests (Trafikverket 2026) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Kunskapsprov BE: Suggested Study Strategy

1Memorize the key test statistics: 60 questions, 55 scored, 44 points to pass, 40 minutes duration, and 1-year theory pass validity.
2Master the difference between totalvikt (fixed registered gross weight rating) and bruttovikt (actual moment-by-moment weight on the road), especially when checking towing capacity and road restrictions.
3Understand towball pressure (kultryck) thoroughly: negative or low kultryck causes violent trailer snaking/sway, while excessive kultryck lifts front steering wheels and aims headlight beams upward.
4Know the Swedish load securing legal requirement: cargo securing must withstand at least 80% of cargo weight forward and 50% backward and sideways.
5Remember the trailer sway recovery rule: hold the steering straight and apply firm, decisive braking; never accelerate to pull a snaking trailer straight.
6Review winter tyre rules: if the towing vehicle uses studded tyres (dubbdäck) in winter conditions, the trailer must also be fitted with studded tyres.

Frequently Asked Questions

How many questions are on the Swedish Kunskapsprov BE?

Trafikverket states that the Category BE theory test consists of 60 questions. Five of these are unscored trial questions, so your result is calculated out of 55 scored questions.

What is the passing score for Kunskapsprov BE?

You must score at least 44 points out of the 55 scored questions (80%) to pass the Category BE knowledge test.

How long is the Swedish Category BE theory test?

The standard test duration is 40 minutes. Candidates who have pre-approved support arrangements may receive 60 minutes for extended time or 80 minutes when using an authorized interpreter.

How much does the BE theory test cost in 2026?

Trafikverket lists the B and BE knowledge test fee as 420 SEK during daytime hours and 520 SEK after 18:00 or on weekends. Practical driving tests and photo fees are billed separately.

How long is a passed BE theory test valid?

According to Trafikverket, an approved Category BE knowledge test is valid for 1 year (12 months), during which you must pass the practical driving test (körprov).

What vehicle combinations can I drive with a Category BE licence?

A Category BE licence allows you to drive a passenger car or light truck with a maximum totalvikt of 3,500 kg coupled with one or more trailers whose combined totalvikt is at most 3,500 kg. The total combined totalvikt of car and trailer can reach up to 7,000 kg.

What is the maximum speed when towing a trailer in Sweden?

A passenger car towing a braked trailer has a maximum speed limit of 80 km/h, even if the road has a higher posted speed limit. An unbraked trailer may also be driven at 80 km/h provided its totalvikt (or tjänstevikt if unladen) does not exceed half the towing car's tjänstevikt and is at most 750 kg. Otherwise the limit is 40 km/h, or 30 km/h if the trailer's actual weight exceeds the car's.

Are these official Trafikverket questions?

No. These are independent practice questions developed by OpenExamPrep from Swedish statutes (Trafikförordningen, Körkortslagen) and Transportstyrelsen and Trafikverket guidance. The official test is taken in Swedish; this bank is an English-language multiple-choice study adaptation, not an official translation or simulation of the Trafikverket test.