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100+ Free BiH Theory C Practice Questions

Prepare for the Bosnia and Herzegovina Driving Theory Test — Category C (Truck & Heavy Vehicle) exam with instant access — no signup required.

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Key Facts: BiH Theory C Exam

50 questions

Official Exam Question Count

Pravilnik o vozačkim ispitima BiH (Sl. glasnik BiH 46/12)

126 / 140 pts (90%)

Official Passing Score

Pravilnik o vozačkim ispitima BiH (Sl. glasnik BiH 46/12)

60 minutes

Official Exam Time Limit

Pravilnik o vozačkim ispitima BiH (Sl. glasnik BiH 46/12)

0.00‰

Professional Driver Alcohol Limit

Zakon o osnovama bezbjednosti saobraćaja na putevima u BiH (ZOBS BiH)

50 / 80 / 70 km/h

Truck Speed Caps (Settlement / 3.5–7.5 t outside / >7.5 t or with trailer)

ZOBS BiH (Article 46)

Bosnia and Herzegovina Category C truck theory test requires 126 of 140 points (90%) across 50 questions (30 theory, 10 signs, 10 intersections) in 60 minutes under ZOBS BiH and Rulebook 46/12. Official testing is delivered in Bosnian, Croatian, and Serbian; this bank is an English MCQ study adaptation.

Sample BiH Theory C Practice Questions

Try these sample questions to test your BiH Theory C exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under Article 46 of ZOBS BiH, what is the maximum permitted speed on roads outside built-up areas for a freight motor vehicle with a maximum authorized mass over 7,500 kg, and for a truck towing a trailer?
A.70 km/h
B.80 km/h
C.90 km/h
D.60 km/h
Explanation: Under Article 46(1) of ZOBS BiH, freight motor vehicles whose maximum authorized mass exceeds 7,500 kg, and freight vehicles towing a trailer, are capped at 70 km/h on all roads outside settlements — including motorways, even where a higher limit is posted. Buses and freight vehicles between 3,500 and 7,500 kg are capped at 80 km/h.
2What is the maximum permitted speed for a freight motor vehicle with a maximum authorized mass between 3,500 kg and 7,500 kg (Category C1) driving on a motorway (autoput) in Bosnia and Herzegovina?
A.80 km/h
B.100 km/h
C.90 km/h
D.70 km/h
Explanation: Under Article 46(1)–(3) of ZOBS BiH, freight vehicles between 3,500 and 7,500 kg are capped at 80 km/h on all roads outside settlements — this cap also applies on motorways even where the general limit is 130 km/h. (Trucks over 7,500 kg and trucks with trailers are capped at 70 km/h; buses may reach 100 km/h only on motorways.)
3What is the general speed limit for a heavy commercial truck (Category C) inside built-up areas (naselje) in Bosnia and Herzegovina, unless a sign indicates otherwise?
A.50 km/h
B.40 km/h
C.60 km/h
D.30 km/h
Explanation: In built-up areas (settlements), the general statutory speed limit of 50 km/h applies equally to Category C heavy vehicles, unless a lower localized limit is posted by regulatory signs.
4What is the legal blood alcohol concentration (BAC) limit for a professional driver operating a Category C commercial freight vehicle in Bosnia and Herzegovina?
A.0.00 g/kg (0.00‰) — absolute zero tolerance
B.0.30 g/kg (0.30‰)
C.0.50 g/kg (0.50‰)
D.0.20 g/kg (0.20‰)
Explanation: Under Article 174 of ZOBS BiH, drivers of commercial freight vehicles (Category C/C1), passenger transport vehicles (Category D), and public service vehicles are subject to an absolute zero-tolerance alcohol policy: 0.00 g/kg.
5What is the minimum age and prerequisite requirement to obtain a Category C driving licence in Bosnia and Herzegovina?
A.At least 21 years of age and holding an existing valid Category B driving licence
B.18 years of age with no prior driving licence required
C.24 years of age with an existing Category A licence
D.25 years of age with 5 years of commercial taxi driving experience
Explanation: Under Articles 184 and 184a of ZOBS BiH, a candidate for Category C must be at least 21 years old and must already hold a Category B driving licence. (The EU-style 18-years-with-CPC exception used in EU member states is not part of the BiH licence-age table.)
6What vehicle classification is defined by Category C1 in Bosnia and Herzegovina?
A.Freight motor vehicles with a maximum authorized mass between 3,500 kg and 7,500 kg, designed to carry up to 8 passengers in addition to the driver
B.Freight vehicles with a maximum mass exceeding 12,000 kg
C.Buses carrying up to 16 passengers
D.Passenger cars towing a heavy caravan trailer
Explanation: Category C1 covers medium-weight freight vehicles whose maximum authorized mass exceeds 3,500 kg but does not exceed 7,500 kg, carrying no more than 8 passengers in addition to the driver.
7What additional mandatory equipment must be carried by commercial freight vehicles (Category C) during the winter period (Nov 15 – Apr 15) in Bosnia and Herzegovina, beyond winter tires/chains?
A.A snow shovel (lopata za snijeg)
B.A spare windshield and wipers
C.An electric engine heating blanket
D.At least 50 kg of loose road salt in the cabin
Explanation: The Rulebook on Winter Equipment in Bosnia and Herzegovina specifies that trucks over 3.5 tonnes must carry a snow shovel (lopata) in addition to compliant winter tires (min 4mm tread) or summer tires with snow chains.
8What is the maximum permitted overall width (najveća dozvoljena širina) for standard commercial freight vehicles in Bosnia and Herzegovina?
A.2.55 metres (2.60 metres for conditioned/refrigerated vehicles with insulated walls)
B.2.40 metres for all vehicles
C.3.00 metres without special permits
D.2.75 metres for standard box trailers
Explanation: Under technical vehicle dimensions standards in BiH, the maximum legal vehicle width is 2.55 metres. Conditioned (isothermal/refrigerated) vehicles with insulated walls at least 45 mm thick are permitted up to 2.60 metres.
9What is the maximum statutory height (najveća dozvoljena visina) permitted for any motor vehicle or combination on public roads in Bosnia and Herzegovina?
A.4.00 metres
B.4.20 metres
C.3.80 metres
D.4.50 metres
Explanation: Under ZOBS BiH regulations, the maximum overall height of any vehicle, including its load and superstructure, must not exceed 4.00 metres from the road surface.
10What is the maximum legal length for a single rigid two- or three-axle freight motor vehicle (solo kamion) in Bosnia and Herzegovina?
A.12.00 metres
B.10.00 metres
C.14.50 metres
D.16.50 metres
Explanation: Under vehicle technical regulations in BiH, a single rigid commercial freight truck (solo motorno vozilo) may have a maximum overall length of 12.00 metres.

About the BiH Theory C Exam

The Bosnia and Herzegovina Category C Driving Theory Test is the mandatory theoretical examination required to obtain a commercial heavy goods vehicle driving licence (Category C/C1) in Bosnia and Herzegovina. Regulated nationally by the Ministry of Communications and Transport (Ministarstvo komunikacija i prometa BiH) under the Law on Basics of Road Traffic Safety in BiH (ZOBS BiH) and the Rulebook on the Organization of Driver Examinations (Službeni glasnik BiH 46/12), the test is administered locally by cantonal and entity educational ministries. The official exam comprises 50 questions worth 140 points (30 theory questions at 2 points each, 10 road sign questions at 3 points each, and 10 intersection questions at 5 points each), requiring at least 126 points (90%) to pass within 60 minutes. Official exams are conducted in Bosnian, Croatian, and Serbian; this practice bank provides an English-language MCQ study adaptation.

Assessment

The statutory theoretical examination under Službeni glasnik BiH 46/12 contains 50 items across 3 areas: Oblast I (30 theory questions including heavy vehicle systems and regulations, 60 points), Oblast II (10 road signs, 30 points), and Oblast III (10 intersections, 50 points). Minimum passing score is 126 points (90%). This practice bank is an English-language study adaptation.

Time Limit

60 minutes

Passing Score

126 out of 140 points (90%)

Exam Fee

Set by canton/entity fee schedule (e.g., 50 KM per theory-exam sitting in Sarajevo Canton and in Republika Srpska; practical exam is charged separately) (Ministarstvo komunikacija i prometa Bosne i Hercegovine and cantonal/entity ministries of education)

BiH Theory C Exam Content Outline

43% of official exam points (60 pts)

Heavy Commercial Vehicle Regulations and Operations (Oblast I)

ZOBS BiH commercial provisions, speed caps (50 km/h settlement; outside settlements 80 km/h for trucks 3.5–7.5 t, 70 km/h for trucks over 7.5 t or with trailer), strict 0.00‰ BAC limit, digital tachograph usage, AETR driving time and rest periods (max 9h daily, 45-min break per 4.5h), and mandatory winter equipment including snow shovel

21% of official exam points (30 pts)

Road Signs and Commercial Vehicle Signalling (Oblast II)

Weight and axle load limit signs, maximum height/width restrictions, hazardous material transport signs (ADR), mandatory commercial routing, auxiliary plates, light signals, and traffic police manual commands

36% of official exam points (50 pts)

Intersections, Priority, and Heavy Vehicle Manoeuvres (Oblast III)

Right-hand priority rule (pravilo desne strane), signed priority intersections, roundabout negotiation with long combinations, swept paths and off-tracking, tram priority, and emergency vehicle passage

Practice Bank Special Module

Pneumatic Air Brakes, Cargo Securing, and Vehicle Dynamics

Dual-circuit air brake systems (compressor, pressure governor 6–8 bar, spring brake actuators, air dryers, low pressure warnings), retarders/engine brakes, cargo securing forces (0.8g forward, 0.5g lateral/rear), axle load calculation, and blind spot management (mirrors II, IV, V, VI)

How to Pass the BiH Theory C Exam

What You Need to Know

  • Passing score: 126 out of 140 points (90%)
  • Assessment: The statutory theoretical examination under Službeni glasnik BiH 46/12 contains 50 items across 3 areas: Oblast I (30 theory questions including heavy vehicle systems and regulations, 60 points), Oblast II (10 road signs, 30 points), and Oblast III (10 intersections, 50 points). Minimum passing score is 126 points (90%). This practice bank is an English-language study adaptation.
  • Time limit: 60 minutes
  • Exam fee: Set by canton/entity fee schedule (e.g., 50 KM per theory-exam sitting in Sarajevo Canton and in Republika Srpska; practical exam is charged separately)

Keys to Passing

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

BiH Theory C Study Tips from Top Performers

1Focus heavily on the air brake system: Know how the compressor, pressure regulator (cut-out at 8 bar), air tanks, spring brake cylinders (parking/emergency brake), and low-pressure buzzer (activating below 4.5–5.0 bar) function.
2Memorize the AETR driving time rules: 4.5 hours driving -> 45 min break; 9 hours daily driving (10h max 2x/week); 56 hours weekly maximum; 90 hours bi-weekly maximum.
3Understand cargo securing physics: Restraint systems must withstand 0.8g (80% of cargo weight) in the forward direction, 0.5g (50%) sideways, and 0.5g (50%) rearwards.
4Remember the commercial speed caps in BiH: 50 km/h in settlements for all vehicles; outside settlements, 80 km/h for trucks between 3.5 and 7.5 tonnes, and 70 km/h for trucks over 7.5 tonnes and trucks towing trailers (these caps apply even on motorways).
5Master intersection priority rules (Oblast III) as they are worth 5 points each (50 points total), making precision essential.

Frequently Asked Questions

How many questions are on the real BiH Category C theory test?

The real Bosnia and Herzegovina Category C theoretical exam consists of 50 questions: 30 general and commercial theory questions (2 points each), 10 road sign questions (3 points each), and 10 intersection questions (5 points each), totaling 140 points.

What is the passing score for the Category C theory test in Bosnia?

Candidates must achieve at least 126 out of 140 possible points (90%) to pass the theoretical examination under Rulebook 46/12.

How long is the Category C theoretical examination in BiH?

Candidates have 60 minutes to complete the 50 questions on the official Category C test.

What are the age and licence prerequisites for Category C in BiH?

Under Articles 184 and 184a of ZOBS BiH, a Category C candidate must be at least 21 years old and must already hold a valid Category B driving licence. (The EU-style 18-years-with-CPC exception does not appear in the BiH licence-age table.)

What are the AETR driving hours and rest period limits in Bosnia and Herzegovina?

The standard maximum daily driving time is 9 hours (which can be extended to 10 hours twice per week). A driver must take an uninterrupted break of at least 45 minutes after 4.5 hours of driving (or split into 15 min followed by 30 min). Regular daily rest is at least 11 consecutive hours.

What is the legal blood alcohol limit for commercial drivers in BiH?

Under ZOBS BiH, professional and commercial drivers are subject to an absolute zero-tolerance alcohol policy: 0.00 g/kg (0.00‰).