Moldova Driving Theory Test — Category C (Camioane și Transport de Mărfuri)

Under the Moldovan Road Traffic Regulations (RCR), what is the maximum permissible vehicle width for standard commercial goods vehicles (excluding refrigerated bodies with insulated walls)?

• A2.55 meters
• B2.60 meters
• C2.50 meters
• D2.75 meters

What is the maximum legal total height (including load) for commercial freight vehicles operating on public roads in the Republic of Moldova?

• A4.00 meters
• B4.50 meters
• C3.80 meters
• D4.20 meters

What is the maximum legal length permitted for a single rigid two-axle or three-axle heavy goods vehicle (autocamion solo) under Moldovan regulations?

• A12.00 meters
• B16.50 meters
• C18.75 meters
• D10.00 meters

What is the standard maximum legal speed limit for a Category C truck exceeding 3,500 kg maximum authorized mass outside built-up areas on standard roads in Moldova?

• A70 km/h
• B90 km/h
• C80 km/h
• D60 km/h

What is the maximum speed permitted for a heavy goods vehicle exceeding 3,500 kg on motorways (autostrăzi, sign 5.2) in Moldova?

• A90 km/h
• B110 km/h
• C100 km/h
• D80 km/h

What does road sign 3.14 'Masa limitată' (a red circle displaying a truck silhouette and '8 t') signify to a driver of a Category C vehicle?

• AProhibits access to any vehicle or combination of vehicles whose actual gross laden mass…
• BProhibits access to vehicles carrying more than 8 passengers
• CMandates that trucks must load at least 8 tonnes of cargo before proceeding
• DWarns of an 8% steep incline ahead

What is the meaning of road sign 3.15 'Masa limitată pe osie' (displaying an axle with wheels and a tonnage figure such as '6 t')?

• AProhibits access to vehicles whose actual mass transferred to the roadway through any sin…
• BRequires vehicles with more than 6 axles to turn around
• CMandates a minimum distance of 60 meters between truck axles
• DRestricts the speed of multi-axle vehicles to 60 km/h

What is the maximum legal single driving axle load permitted on national public roads in Moldova under standard road infrastructure limits?

• A11.5 tonnes
• B15.0 tonnes
• C8.0 tonnes
• D13.5 tonnes

Under what circumstance must a driver obtain an AST (Autorizație Specială de Transport) before operating a heavy vehicle in Moldova?

• AWhenever the vehicle or combination, with or without cargo, exceeds statutory maximum leg…
• BOnly when transporting passengers on weekends
• COnly when driving outside the Chișinău municipality borders
• DWhenever the truck has a diesel engine larger than 6.0 liters

What is the primary document used in international road freight transport that serves as proof of the contract of carriage between the shipper, carrier, and consignee?

• AThe CMR International Consignment Note (Scrisoarea de trăsură internațională CMR)
• BThe vehicle periodic technical inspection certificate (raportul ITP)
• CThe driver's medical fitness certificate
• DThe vehicle tachograph calibration certificate

Under Moldovan legislation, what professional qualification is mandatory for a driver operating commercial goods transport vehicles with a mass over 3,500 kg?

• AA valid Certificate of Professional Competence (Certificat de competență profesională a c…
• BA Category C licence alone, with no professional qualification for commercial work
• CAn ADR driver certificate for dangerous goods, regardless of the cargo carried
• DA road-transport manager's competence certificate issued to the operator

What is the legal minimum tire tread depth for heavy goods vehicles (categories N2 and N3, mass over 3,500 kg) in the Republic of Moldova?

• A1.0 mm
• B1.6 mm
• C0.8 mm
• D2.0 mm

What does road sign 3.16 'Distanța minimă limitată' (displaying a truck and car with '70 m' between them inside a red circle) require?

• ADrivers of goods vehicles with mass exceeding 3,500 kg must maintain a following distance…
• BVehicles longer than 70 meters are prohibited from entering
• CVehicles must accelerate to 70 km/h within 70 meters
• DVehicles may not park within 70 meters of an intersection

What is the maximum gross train weight (masa totală a autotrenului) permitted on standard Moldovan highways for a 5-axle or 6-axle tractor-semitrailer road combination?

• A40 tonnes (44 tonnes for combined intermodal container transport)
• B50 tonnes under all conditions
• C32 tonnes maximum
• D60 tonnes without special permits

What is the primary danger when an empty or lightly loaded Category C truck travels in strong crosswinds across elevated bridges or viaducts?

• AThe large vertical surface area of the box or tarpaulin acts like a sail, generating extr…
• BThe tires deflate instantly due to wind turbulence
• CThe air brake reservoirs lose air pressure due to wind suction
• DThe diesel fuel evaporates rapidly from the fuel tank

What is the legal requirement for rear reflective marking plates (plăci de identificare din spate) on heavy commercial vehicles over 3,500 kg in Moldova?

• AThey must display approved yellow retro-reflective and red fluorescent rear markings in t…
• BThey may substitute the orange ADR plates used to identify dangerous-goods loads
• CThey need only the red-and-white panel used to mark a projecting load
• DThey may use the beginner-driver identification sign instead

When driving a commercial truck on a three-lane motorway in Moldova, which lane is a vehicle with mass exceeding 3,500 kg strictly forbidden to use?

• AThe leftmost lane (third lane), which is reserved exclusively for lighter passenger vehic…
• BThe rightmost lane, which is reserved exclusively for horse-drawn vehicles
• CThe middle lane during daylight hours
• DTrucks are legally allowed to use any lane at all times

What is the maximum permitted speed for a heavy truck (> 3,500 kg) in urban built-up areas (localități) in Moldova?

• A50 km/h
• B60 km/h
• C40 km/h
• D70 km/h

What is the purpose of wheel chocks (cale de blocare / saboți de oprire) that must be carried on heavy commercial vehicles over 3,500 kg?

• ATo physically wedge under the road wheels when parked on grades or during roadside wheel…
• BTo balance the front steering tires dynamically at high speeds
• CTo scrub mud and stones from dual rear tires before entering highways
• DTo anchor the cargo inside the freight trailer

What is the minimum legal age to obtain a full Category C driving licence in Moldova?

• A21 years
• B18 years
• C24 years
• D19 years

What prerequisite driving license category must a driver already hold before being permitted to obtain a Category C licence in Moldova?

• AA valid Category B driver's license
• BA valid Category A motorcycle license
• CA valid Category D bus license
• DA valid tractor operator permit (Category H) only

What is the maximum gross mass of a light trailer that may be towed by a Category C vehicle without needing a Category CE license?

• AUp to 750 kg
• BUp to 1,500 kg
• CUp to 3,500 kg
• DNo trailer of any weight may be towed with a Category C license

Which vehicle markings may ADR require for a truck carrying dangerous goods?

• AStandardized orange plates at the front and rear, with numbers and hazard placards or lab…
• BOnly the vehicle's ordinary registration plates
• COnly rear heavy-vehicle conspicuity markings
• DA projecting-load panel regardless of the substance and quantity

How does a commercial vehicle's pneumatic air brake system (sistemul de frânare pneumatic) generate the force required to apply the wheel foundation brakes?

• AAn engine-driven air compressor pressurizes atmospheric air into steel storage reservoirs…
• BThe driver's physical leg strength is directly amplified through a mechanical cable linka…
• CVacuum suction from the engine intake manifold pulls brake shoes against drums
• DElectric solenoids directly push brake pads using 12V battery power alone

What is the normal operating air pressure range in the pneumatic brake reservoirs of a modern commercial truck?

• AApproximately 6.0 to 8.5 bar (approx. 600 to 850 kPa)
• BApproximately 1.5 to 2.5 bar
• CApproximately 15.0 to 20.0 bar
• DPressure is unregulated and varies directly with engine RPM

What is the primary function of the Air Dryer (uscătorul de aer) equipped with a desiccant cartridge in a truck's pneumatic system?

• ATo extract moisture, oil vapor, and contaminants from compressed air, preventing water ac…
• BTo heat the compressed air to 100°C to increase braking speed
• CTo lubricate the brake drums with vaporized oil mist
• DTo oxygenate the air to prevent rust formation inside steel tanks

What occurs if the air pressure in the brake system drops below approximately 4.5 to 5.0 bar while driving?

• AAn audible buzzer and red dashboard warning lamp activate, and spring parking brakes will…
• BThe engine automatically accelerates to maximum speed to pump more air
• CThe vehicle switches seamlessly to hydraulic braking
• DThe transmission shifts automatically into neutral and locks the steering

How do Spring Brake Actuators (cilindri de frână cu resort / acumulatori de forță) function on the rear drive axles of a commercial truck?

• AA powerful steel coil spring mechanically applies the brakes; compressed air pressure is…
• BAir pressure applies the spring brake, while an electric motor releases it
• CThe spring only functions when the engine ignition key is turned off
• DSpring brakes operate solely on the front steering axle

What is the primary function of an Engine Exhaust Brake (frână pe eșapament / obturator de eșapament) on a Category C truck?

• AA butterfly valve closes in the exhaust manifold, creating back-pressure in the cylinders…
• BIt injects water mist into the exhaust pipe to cool exhaust emissions
• CIt increases engine horsepower by 25% during overtaking maneuvers
• DIt completely silences the engine during night driving through residential streets

What is a Hydraulic Retarder (retardor hidraulic / hidroretardor) and where is it located in a commercial truck driveline?

• AA hydrodynamic device integrated into the transmission or propshaft that uses oil shear b…
• BA hydraulic cylinder that presses directly against the front steering knuckles
• CA water reservoir mounted on the roof that sprays cooling mist over the wheels
• DA secondary diesel fuel pump that reverses engine rotation

Why should a driver exercise extreme caution when using a powerful retarder (hydraulic or electromagnetic) on slippery, icy, or snow-covered roads?

• ARetarder braking acts only on the drive axle; excessive retarding torque on slick roads c…
• BRetarders cause brake fluid to boil instantly at temperatures below freezing
• CThe retarder will extinguish the headlights due to electrical voltage drop
• DRetarder heat melts the vehicle's plastic fuel lines in winter

What is the function of the Automatic Load Sensing Valve (ALB / regulatorul automat al forței de frânare în funcție de sarcină)?

• AIt automatically senses rear suspension deflection and adjusts pneumatic brake pressure t…
• BIt shifts the transmission into lower gear when the truck is empty
• CIt inflates the rear tires when a heavy load is placed on the cargo bed
• DIt alerts the driver via radio when the truck exceeds legal weight limits

Why must air brake storage reservoirs be drained regularly (via manual drain valves or automated purging)?

• ATo discharge condensed water and accumulated oil droplets that bypass the dryer, preventi…
• BTo remove excess oxygen that causes diesel engine knock
• CTo lubricate the trailer suspension air springs with water mist
• DTo reset the digital tachograph daily driving counter

What is an S-cam drum brake (frână cu tambur și arbore cu came în S) and how does it function on heavy commercial vehicles?

• AA pneumatic actuator rotates an S-shaped camshaft, forcing two curved brake shoes outward…
• BA hydraulic piston squeezes flat ceramic pads against an S-shaped spinning steel disc
• CAn electric motor twists an S-shaped cable to clamp the transmission tailshaft
• DAn S-shaped exhaust flap that closes inside the turbocharger housing

What is the function of the Slack Adjuster (pârghia de reglare a jocului / cheia de frână) on an S-cam foundation brake?

• AIt converts linear pushrod stroke into rotary camshaft movement and compensates for linin…
• BIt adjusts the driver's seat suspension firmness based on road bumps
• CIt regulates turbocharger boost pressure under full acceleration
• DIt tightens the wheel lug nuts automatically while driving

What is the primary danger when brake drums overheat (brake fade) on a heavy truck during a prolonged downhill run?

• AThe cast iron drum expands outward away from the shoes, requiring longer pushrod travel,…
• BThe brake drum shrinks and seizes onto the axle hub, locking the wheels permanently
• CThe compressed air inside the tires liquefies from radiant heat
• DThe engine automatically shuts down due to ambient heat sensor interlocks

What is the purpose of the four-circuit protection valve (supapa de protecție cu patru circuite) in a truck's pneumatic system?

• AIt isolates the pneumatic system into independent circuits (front, rear, parking/trailer,…
• BIt provides four different levels of air conditioning cooling to the sleeper cab
• CIt directs compressed air to four independent fuel injector rails
• DIt automatically rotates the truck's wheels to equalize tire tread wear

When inspecting pneumatic brake hoses between the tractor and trailer (coupling lines), what condition warrants immediate vehicle grounding?

• AChafed, cracked, swollen rubber hoses, audible air leakage, or kinked spiral coils that r…
• BThe hoses are made of colored polyurethane plastic (red and yellow)
• CThe hoses are coiled in a spiral spring shape to allow chassis articulation
• DThe metal coupling palm fittings (capete de cuplare) have rubber sealing rings

What is the function of the red palm coupling (cap de cuplare roșu) on a tractor-trailer pneumatic coupling interface?

• AIt is the Supply / Emergency line that fills the trailer air reservoirs and keeps the tra…
• BIt is the variable signal line that sends braking commands when the driver steps on the f…
• CIt supplies hot water to heat the trailer cargo area
• DIt connects the trailer tail lamps to the tractor alternator

What is the function of the yellow palm coupling (cap de cuplare galben) on a tractor-trailer pneumatic coupling interface?

• AIt is the Service Control line that delivers modulated pneumatic pressure to the trailer…
• BIt supplies constant unmetered air directly from the compressor
• CIt vents diesel exhaust from the tractor away from the trailer
• DIt locks the trailer kingpin into the fifth wheel coupling automatically

What is 'jackknifing' (efectul de briceag) in a commercial articulated vehicle combination, and what primarily initiates it?

• AThe tractor drive wheels lock or lose lateral traction during braking or cornering, causi…
• BThe fifth wheel coupling releases at high speed, dropping the semitrailer onto the road
• CThe front steer tires puncture simultaneously on a straight road
• DThe trailer landing gear drops down while driving over railway crossings

What is an Electronic Braking System (EBS) on modern commercial trucks and trailers, and how does it improve safety over purely pneumatic systems?

• AIt uses electronic signals to trigger brake valves instantaneously at all axles simultane…
• BIt replaces mechanical foundation brakes with electromagnetic friction plates that do not…
• CIt completely steers the truck around obstacles without driver input
• DIt allows braking only when the truck is traveling below 40 km/h

What is the function of the Differential Lock (blocarea diferențialului) on a heavy truck's drive axle?

• AIt locks both wheels on the axle together so they turn at identical speeds, preventing a…
• BIt allows the front wheels to turn at sharper angles in tight city corners
• CIt disconnects the propshaft from the gearbox to allow high-speed towing
• DIt automatically balances tire air pressure across dual wheels

Why must the differential lock be disengaged immediately when returning to firm, dry asphalt roads?

• AIn corners, the outer wheel must travel further than the inner wheel; a locked differenti…
• BThe differential lock will cause the fuel injection pump to seize on asphalt
• CThe brake air compressor stops generating pressure when the differential lock is engaged
• DThe engine cooling radiator will boil over within 50 meters

What is the purpose of the split-range / range-change gear selector (reductorul / schimbătorul de gamă) on a commercial truck manual transmission?

• AIt doubles the number of forward gear ratios (e.g. 4-speed main box into 8 or 16 speeds)…
• BIt switches the vehicle from two-wheel drive to eight-wheel drive
• CIt locks the steering wheel when parked on hills
• DIt operates the dump bed hydraulic ram

What is a 'dead man's' / spring-loaded air tank manual drain valve and when should a commercial driver inspect it?

• AA pull-ring or petcock valve at the bottom of each air tank pulled during daily pre-trip…
• BA valve that releases all diesel fuel in a crash
• CA valve that deflates the steering tires in an emergency stop
• DA valve on the engine air intake manifold used to inject starting ether

What is the function of the Turbocharger (turbocompresor) on a heavy diesel commercial vehicle engine?

• AIt uses hot exhaust gas pressure to spin a turbine that forces compressed ambient air int…
• BIt cools the engine coolant radiator using cabin airflow
• CIt purifies the diesel fuel before it enters the high-pressure common rail
• DIt generates compressed air for the pneumatic brake reservoirs