Free Practice Questions for Mali Permis Catégorie C

Exam-style questions and explanations by OpenExamPrep.

✓ No registration✓ No credit card

100+ Questions

100% Free

Loading practice questions...

Same family resources

Explore More Malian Driving Licence Examinations (Permis de Conduire DGT)

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

Exam Review

Key Facts: Mali Permis Catégorie C Exam

> 3,500 kg

Gross vehicle weight (PTAC) threshold defining Category C goods vehicles

Décret n° 2023-0509/PT-RM, Article 90

18 years

Minimum age requirement for Malian Category C driving licence

Décret n° 2023-0509/PT-RM, Article 90

40 items / 30 pass

Theoretical admissibility question count and passing threshold (75%)

Arrêté n° 2024-3860/MTI-SG, Article 11

5 / 3 / 1 years

Category C validity renewal schedule (ages 18–55, 56–65, and >65)

Décret n° 2023-0509/PT-RM, Article 91

6 / 11.5 / 12 tonnes

Current single-axle limits for front / intermediate-or-rear single-wheel / intermediate-or-rear twin-wheel configurations

Décret n° 2023-0509/PT-RM, Article 31 axle table

11 hours

Standard minimum daily rest period for professional heavy vehicle drivers

Malian Road Transport Regulations

Mali's Category C heavy-goods licence requires passing a 40-question theory assessment (30 correct required) and subsequent practical tests. It authorizes driving rigid trucks over 3,500 kg PTAC, light trailers up to 750 kg, and public works machinery. This bank provides 100 independent English-language practice questions covering air brakes, UEMOA weight limits, and heavy vehicle safety.

Sample Mali Permis Catégorie C Practice Questions

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

1What component serves as the primary source of compressed air in a heavy vehicle pneumatic braking system?

A.The engine-driven air compressor

B.The vehicle electrical alternator

C.The hydraulic steering pump

D.The exhaust turbocharger wastegate

Explanation: The engine-driven air compressor draws ambient air through the air filter, compresses it mechanically, and pumps it into the pneumatic braking circuit to build and maintain reservoir pressure.

2What is the primary function of the air dryer desiccant cartridge in an air brake system?

A.To lubricate the brake drums and shoe friction surfaces

B.To extract moisture and oil aerosols from compressed air before it enters the reservoirs

C.To increase compressed air pressure above 15 bar

D.To cool the engine coolant before it reaches the radiator

Explanation: The air dryer contains a desiccant cartridge and coalescing filter that removes water vapour and oil droplets from the compressed air, preventing internal corrosion, valve freezing, and seal degradation across the pneumatic circuit.

3What minimum operating pressure must typically be reached in the air reservoirs before driving a heavy vehicle equipped with full pneumatic brakes?

A.Approximately 1 to 2 bar

B.Approximately 3 to 4 bar

C.Approximately 6 to 7 bar

D.At least 15 to 20 bar

Explanation: A heavy vehicle requires approximately 6 to 7 bar (around 90 psi) of air pressure before moving. This pressure is necessary to fully release the mechanical spring parking brakes and guarantee full service brake responsiveness.

4Why should manual drain valves on pneumatic air reservoirs be purged daily by the driver?

A.To expel accumulated water condensate and oil residue from the bottom of the tanks

B.To depressurize the fuel delivery system before parking

C.To bleed air bubbles out of the hydraulic brake fluid lines

D.To adjust the tension of the engine alternator serpentine belt

Explanation: Compressed air cools inside reservoirs, condensing moisture that pools at the bottom along with oil mist. Purging the drain valves daily evacuates this liquid, preventing internal tank corrosion and valve malfunction.

5What is the primary function of the spring brake (maxi-brake / frein à ressort) on a heavy truck?

A.To provide hydraulic power steering assistance at slow speeds

B.To cool the turbocharger after the engine is switched off

C.To actuate the windshield wipers under heavy rainfall

D.To provide parking braking and automatic emergency braking upon total loss of air pressure

Explanation: Spring brakes use powerful internal coil springs that apply mechanical braking force to the wheels when air pressure is vented. They function as the vehicle parking brake and apply automatically if air pressure drops catastrophically.

6What is the role of the pressure regulator (governor) in a heavy vehicle air brake circuit?

A.To measure the vehicle road speed and display it on the tachograph

B.To control compressor pumping by governing cut-in and cut-out pressure limits

C.To regulate diesel fuel injection pressure in the common rail

D.To distribute electrical current to the trailer exterior lights

Explanation: The pressure regulator (governor) senses reservoir pressure. When pressure reaches the cut-out setting (around 8 to 8.5 bar), it unloads the compressor; when pressure drops to the cut-in level (around 6.5 to 7 bar), it resumes pumping.

7If air pressure drops below the critical safety threshold (typically below 4.5 to 5 bar) while driving, what will occur?

A.The engine will instantly accelerate to maximum governor speed

B.The headlights will automatically switch off to conserve battery charge

C.Visual and audible warning devices will trigger, and the spring brakes will begin to apply

D.The differential lock will permanently engage without warning

Explanation: A critical loss of air pressure triggers dashboard warning lights and an audible alarm buzzer. As air drops below the spring retention threshold, the spring brakes automatically deploy, locking the rear wheels.

8How do the service brake (frein de service) and parking brake (frein de stationnement) differ in their actuation mechanism on an air brake truck?

A.Service brakes use compressed air to apply force; parking brakes use compressed mechanical springs held back by air

B.Service brakes use mechanical springs; parking brakes use hydraulic fluid lines

C.Service brakes apply to the transmission shaft only; parking brakes apply to the front steering wheels

D.Both systems rely exclusively on electric solenoids without mechanical components

Explanation: The service brake is graduated: pressing the foot pedal sends compressed air into brake chambers to push friction material against drums/discs. The parking brake works in reverse: air is exhausted, allowing heavy mechanical coil springs to clamp the brakes.

9How does an engine exhaust brake (ralentisseur sur échappement) create braking torque to slow a heavy vehicle?

A.By injecting water directly into the diesel exhaust manifold

B.By closing a butterfly valve in the exhaust pipe, creating cylinder backpressure that resists piston movement

C.By disengaging the clutch automatically during descents

D.By reversing the rotation of the engine crankshaft

Explanation: An exhaust brake closes a butterfly flap in the exhaust piping. The engine pistons must work against high exhaust backpressure during the exhaust stroke, which absorbs kinetic energy and retards vehicle speed without using friction brakes.

10How does an electromagnetic retarder (such as a Telma retarder) generate retarding torque on a heavy truck's driveline?

A.By forcing friction brake shoes against rotating iron drums

B.By spraying pressurized engine oil against the drive axle differential gears

C.By compressing air into a specialized high-pressure auxiliary storage tank

D.By energizing electromagnets in a stator to induce eddy currents (courants de Foucault) in spinning steel rotors

Explanation: An electromagnetic retarder consists of stationary electromagnetic coils (stator) and spinning steel discs (rotors) attached to the driveshaft. Energizing the coils creates magnetic fields that generate eddy currents, converting driveline kinetic energy into heat dissipated into the ambient air.

About the Mali Permis Catégorie C Exam

Category C in Mali authorizes driving rigid goods and materials transport vehicles with a maximum authorized gross weight (PTAC) exceeding 3,500 kg, which may tow a light trailer not exceeding 750 kg, as well as public works machinery and agricultural tractors (Décret n° 2023-0509/PT-RM Article 90). The qualification requires passing a 40-question multiple-choice theoretical admissibility test (30 correct needed) administered by sworn DGT inspectors, followed by practical off-road maneuvers and on-road driving tests (Arrêté n° 2024-3860/MTI-SG). Independent practice by OpenExamPrep provides 100 English-language study questions adapting the published curriculum into four-option MCQ study format; it is not an official translation or a simulation of the full licensing process.

Exam sponsor: Direction générale des Transports (DGT), Ministère des Transports et des Infrastructures. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The examination comprises a 40-question multiple-choice theoretical admissibility assessment (minimum 30 correct). A passing theory result is valid for six months, during which candidates must complete both off-road (plateau) and on-road (circulation) practical driving tests in a dual-control Category C heavy vehicle.

Time Limit

Not published in Arrêté n° 2024-3860/MTI-SG

Passing Score

30/40 correct answers (75%) on the theoretical admissibility assessment

Exam / Certification Fees

Décret n° 2025-0052/PT-RM sets the examination fee at 15,000 FCFA, payable once. Article 6 temporarily preserves the earlier fee schedule until effective rollout of biometric licence services, so candidates should confirm the amount currently collected with the regional transport directorate. Driving-school tuition is separate and is not fixed by that decree.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

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.

25 questions

Pneumatic braking systems and retarders

Compressed air circuits, compressor governors, air dryers, service and spring brakes, engine exhaust brakes, hydraulic/electromagnetic retarders, and brake fade.

25 questions

Weight limits, UEMOA Regulation 14 and cargo securement

PTAC, payload calculation, UEMOA axle limits, weighbridge compliance, load distribution, and load securing methods (arrimage, calage, lashing).

20 questions

Heavy vehicle dynamics, blind spots and maneuvers

Angle mort blind spots, rear overhang sweep, inside wheel off-tracking, hill descents, following distances, and high center of gravity stability.

15 questions

Professional driving regulations, rest times and daily checks

Daily pre-trip inspection under Article 95, mandatory driving and rest periods (11h daily rest, 24h weekly rest), and public works machinery rules.

15 questions

Medical fitness, licence renewal and emergency safety

Licence validity and renewal cycles (5/3/1 years), medical certification, the two statutory warning triangles, carried-equipment checks, and emergency protocols.

Preparing for the Mali Permis Catégorie C Exam

What You Need to Know

Passing score: 30/40 correct answers (75%) on the theoretical admissibility assessment
Assessment: The examination comprises a 40-question multiple-choice theoretical admissibility assessment (minimum 30 correct). A passing theory result is valid for six months, during which candidates must complete both off-road (plateau) and on-road (circulation) practical driving tests in a dual-control Category C heavy vehicle.
Time limit: Not published in Arrêté n° 2024-3860/MTI-SG
Exam / certification fees: Décret n° 2025-0052/PT-RM sets the examination fee at 15,000 FCFA, payable once. Article 6 temporarily preserves the earlier fee schedule until effective rollout of biometric licence services, so candidates should confirm the amount currently collected with the regional transport directorate. Driving-school tuition is separate and is not fixed by that decree. 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

Mali Permis Catégorie C: Suggested Study Strategy

1Understand the air brake circuit: trace compressed air flow from the engine-driven compressor through the governor, air dryer, wet reservoir, check valves, service reservoirs, foot brake valve, to the brake chambers and spring brakes.

2Use the exact current Mali axle-table entry: wheel configuration and axle-group type matter; rigid-vehicle limits are 18 t (2 axles), 26 t (3 axles), and 31 t (4 or more axles).

3Master descent safety and auxiliary retarders: select a low gear before initiating a descent to utilize engine compression braking, and activate retarders (exhaust, hydraulic, or electromagnetic) to prevent friction brake overheating and brake fade.

4Know the blind zones (angles morts): heavy vehicles have severe blind spots directly in front of the cab, along both sides (especially the right side), and directly behind the body; remember off-tracking (the rear wheels take a tighter path than the front wheels in turns).

Frequently Asked Questions

What vehicles are authorized under Malian driving licence Category C?

Under Décret n° 2023-0509/PT-RM Article 90, Category C covers motor vehicles designed for the transport of goods or materials whose maximum authorized weight (PTAC) exceeds 3,500 kg. A trailer with a PTAC not exceeding 750 kg may be coupled. It also covers agricultural tractors and public works machinery (engins de travaux publics, which also require an attestation de capacité under Articles 22–24).

What is the minimum age to obtain a Category C licence in Mali?

Under Décret n° 2023-0509/PT-RM Article 90, the minimum age is 18 years (not 21). Candidates must hold a valid medical certificate establishing physical and sensory fitness issued within the preceding three months.

What is the renewal validity schedule for Category C licences in Mali?

Under Décret n° 2023-0509/PT-RM Article 91, Category C licences are valid for 5 years for drivers aged 18 to 55 years, 3 years for drivers aged 56 to 65 years, and 1 year (annually) for drivers over 65 years of age. Each renewal requires a medical examination.

What are the theory and practical assessment requirements for Category C?

Arrêté n° 2024-3860/MTI-SG Articles 10–12 specify a 40-question multiple-choice theoretical admissibility assessment requiring at least 30 correct answers (75%). Candidates who pass theory have six months of eligibility to complete both off-road maneuvers (plateau) and on-road driving (circulation) in a dual-control Category C heavy vehicle.

What are the axle load limits applicable in Mali under UEMOA rules?

The axle table incorporated into Décret n° 2023-0509/PT-RM lists 6 tonnes for a single front axle, 11.5 tonnes for a single intermediate or rear axle with single wheels, and 12 tonnes with twin wheels. Tandem limits vary by listed type (11.5, 16, 22, or 20 tonnes), while tridems are 21 or 25 tonnes. Vehicle-layout limits include 31 tonnes for a rigid vehicle with four or more axles and 51 tonnes for an articulated vehicle with six or more axles.