C licence questions
CSafe loading·233 questions
Safe loading questions — C licence
233 exam-style Safe loading questions for the C licence with correct answer and explanation. Practice free, no signup.
- At an unsigned narrow passage, with no steep gradient or instructions from officers or authorised personnel, two vehicles of the same type must decide which reverses. Neither has priority from entering first and both would reverse the same distance. Which dimensions or mass are considered for priority?
- Under Spain’s vehicle-use classification, a vehicle carries goods in a fully enclosed compartment, with no padding or special interior adaptation and no bulk-material tank. Which designation applies?
- A lorry used exclusively for goods transport is exactly 5 metres long. It carries indivisible-length posts with proper stowage and securing, without a special-transport authorisation. What is the maximum longitudinal overhang?
- You park a 6,000 kg MAM lorry with a manual gearbox on an 8% uphill slope and will leave the driving position. The parking brake is applied and proper wheel chocks are available, but there is no usable kerb. What else must you do?
- To drive with correct tyre inflation pressure, you must ...
- If you are driving a lorry, must you know how to position and secure the load?
- A rigid four-axle lorry with conventional diesel propulsion is not carrying roundwood or operating under a special authorisation. None of its drive axles has dual tyres. Subject to technical and axle limits, which general MAM limit in Spain’s vehicle regulation table applies?
- In order to drive, the maximum height your lorry may reach will generally be...
- What is the general definition of a closed box body in the use classification, without adding the specific features of a silo or tipper?
- What is the function of the intercooler?
- Under ROTT Article 109, which maximum authorised mass threshold applies to public goods transport subject to establishment, professional competence, good repute and financial standing requirements?
- In an engine’s liquid-cooling system, what is the radiator’s main function?
- As a general rule, what is the maximum width, including the load, permitted for lorries to be driven on the road?
- A 7-metre lorry used exclusively for goods will carry an indivisible 9-metre beam. Mass limits, other dimensions, stowage and required marking conditions are met. May it carry the beam under the general overhang rule?
- As a general rule, excluding special increases, what maximum authorised mass does the Annex IX table allow for a three-axle lorry whose driven axle has twin tyres and air suspension?
- How should the load that has to be transported be stowed?
- On which assembly does a lorry’s eddy-current electromagnetic retarder act?
- What does the laden mass of a lorry include?
- Which category do motor vehicles intended for the transport of goods with at least four wheels belong to?
- In order to unload the lorry you are driving as quickly as possible, may you place the goods on the carriageway?
- A conventional diesel lorry with two single axles carries 12 tonnes on its driven axle. Under what conditions may it be driven?
- If I am driving a lorry with an MAM of 10,000 kg, what breath alcohol rate per litre of exhaled air must I not exceed to be allowed to drive this vehicle?
- Can a young driver’s lack of experience make traffic hazards harder to detect and assess?
- You park a 6,000 kg MAM lorry with a manual gearbox on a 10% slope and will leave the driving position. You have already stopped the engine, disconnected the starting system and taken the other necessary precautions. Which additional set of immobilisation measures must you apply?
- Within category N vehicles, what maximum-mass range defines subcategory N3?
- In a partially filled liquid tanker, can liquid movement during braking or turning affect stability?
- What is the function of the drain valves on a pneumatic brake system’s compressed-air reservoirs?
- An adult driver who has held a licence for more than two years drives a goods vehicle with a MAM of 3,250 kg and is not subject to a special limit under Article 20. What maximum blood alcohol level applies?
- An adult drives a lorry performing special transport. Under Article 20, what breath alcohol limit must not be exceeded?
- In a conventional headlamp with a bulb and reflector, how should light be directed to fulfil its lighting function?
- In a conventional charging system with a working warning lamp, the lamp illuminates at ignition-on and goes out after starting. What does it normally indicate if it stays off while driving?
- The figure that indicates the load index of a tyre fitted to an industrial vehicle consists of two numbers separated by a slash, for example: 149/145. What is this indicating?
- A company whose main purpose is not transport carries out transport as a necessary or appropriate complement to its main activity and meets the corresponding legal conditions. What is this called?
- A lead-acid battery with accessible cell caps permits water top-ups under its manufacturer’s instructions. What maintenance should be carried out according to those instructions?
- The mass obtained by adding to the lorry's tare weight the standard mass of a driver of 75 kilograms is called....
- What is the mass of a vehicle without load and without service personnel called?
- What is the name of the component responsible for damping the oscillations of the elastic elements?
- Coolant is found entering the oil in a liquid-cooled engine. Which of these internal faults can allow that mixing?
- According to their purpose and legal framework, transport services are classified as...
- In a C1 or C truck, the load must not:
- A lorry in which the goods are transported on a flat surface with no side protection is the definition of which type of motor vehicle:
- Where should loading and unloading operations generally take place?
- In a hydraulically actuated clutch, where is circuit fluid replenished under the manufacturer’s procedure?
- In a C1 or C truck, the load also must not:
- The combination of vehicles made up of a motor vehicle coupled to a trailer is called:
- A lorry not carrying dangerous goods travels on a town crossing (travesía), with no lower specific limit. What is its general maximum speed?
- In the European N1, N2 and N3 type-approval classification for goods vehicles, which category corresponds to the term “semi-heavy”?
- When loading or unloading goods on a public road is unavoidable, may the goods be deposited on the carriageway, shoulder or pedestrian areas?
- On a truck, the load must be distributed so that:
- What does a vehicle’s actual laden mass include?
- After immobilising a 5,500 kg MAM lorry on a significant uphill gradient, the driver leaves the seat. In addition to the parking brake and first gear (or P), how can it be secured if no suitable chocks are available and there is a kerb?
- In ordinary driving, without special authorisation to use the shoulder or an officer’s instructions, may a lorry exceeding 3,500 kg MAM use the shoulder for travelling?
- A driver of a lorry with a Maximum Authorised Mass (MAM) of 10,000 kg used for the transport of goods must not exceed what alcohol level in order to drive that vehicle?
- When the load being carried may produce dust, is it compulsory to cover the lorry's body effectively?
- You travel through a tunnel in a vehicle with a MAM exceeding 3,500 kg and do not intend to overtake. What specific minimum separation from the vehicle ahead does the regulation set?
- If you are driving a lorry with a M.A.M. exceeding 3,500 kilograms, you should know that you are not permitted to drive if your blood alcohol level is higher than...
- Under the general table in Annex IX, what is the maximum authorised mass of a two-axle rigid lorry without alternative-fuel, zero-emission or special-authorisation increases?
- Under the current general regulatory limit, what is the maximum permitted mass on a single driven axle of a lorry?
- Which description corresponds to the regulatory definition of a lorry?
- After drinking a large amount of alcohol, does strong coffee or a half-hour nap reliably restore driving ability quickly?
- Under the current Annex IX table, what is the general MAM of an articulated vehicle with a two-axle motor vehicle and a three-axle semi-trailer, without alternative-fuel, zero-emission, timber-transport or special-authorisation increases?
- Can smoking while driving cause distractions?
- After drinking a large amount of alcohol, does strong coffee or a half-hour nap reliably restore driving ability quickly?
- In a vehicle with a correctly functioning conventional charging warning lamp, it lights when the ignition is switched on and goes out after starting. If it remains off while driving, how is this normally interpreted?
- What is the maximum MAM of the motor vehicle authorised by a C1 licence, and the maximum trailer MAM with that licence without C1+E?
- In a lorry, is it compulsory to carry a reflective vest?
- When should tyre pressure be measured to compare it with the recommended cold pressure for the load and operating conditions?
- You park a 4,000 kg MAM lorry on a significant downhill slope and will leave the driving position. Other required measures are already applied, and you choose a usable kerb instead of wheel chocks. How should the steered wheels be positioned?
- What is the purpose of the bleeder in a hydraulic braking circuit?
- A rigid lorry 12 metres long must carry indivisible poles 13 metres long. If the vehicle with that load exceeds the regulatory length limit, what is needed to perform the transport?
- A lorry with a MAM exceeding 3,500 kg travels through an underpass without intending to overtake. What specific minimum separation from the vehicle ahead does the regulation set?
- As a routine unloading location, when unloading on the road is not unavoidable, may you choose an interurban road’s shoulder to position the lorry?
- If I am driving a 3-axle lorry that is 12 metres long, I should know that, as a general rule, the load:
- A lorry with a MAM exceeding 3,500 kg travels through an underpass without intending to overtake. What specific minimum separation from the vehicle ahead does the regulation set?
- When the additional 50-metre gap under Article 54(2) applies to vehicles with MAM above 3,500 kg or total length above ten metres that do not signal an intention to overtake, what purpose does it serve beyond the gap needed to stop without collision?
- A three-axle lorry has a drive axle fitted with twin tyres and air suspension. Under the current general Annex IX table, without alternative-fuel, zero-emission, timber or special-authorisation increases, what is its maximum MAM?
- During loading and unloading operations, is it permitted to leave goods on the carriageway?
- In a conventional lead-acid battery with vented caps, what is the function of these holes?
- During loading or unloading, may goods be placed on the carriageway, shoulder or pedestrian areas?
- If the distance between the centres of the two axles making up the double axle of the lorry you are driving is 1.25 metres, you should know that the maximum mass on that double axle must not exceed...
- In the type-approval classification, what mass criterion is shared by goods-carrying motor vehicles in categories N2 and N3?
- On a road within a built-up area, are you allowed to double-park in order to unload the lorry you are driving?
- An ordinary rigid lorry, without a trailer or special authorisation, travels loaded. What is its regulatory maximum length, measured between the outermost points of the vehicle and load?
- A three-axle lorry has its drive axle fitted with dual tyres and air suspension. Excluding round-timber transport and alternative-fuel or zero-emission weight allowances, what is the regulatory total mass limit for this configuration?
- A lorry 7 metres long with a maximum authorised mass of 7,500 kilograms — must it carry a parking light?
- The lorry in which goods are transported in a fully enclosed receptacle, padded or specially adapted inside, is called…
- What is the function of the bleed screw (bleeder) in the hydraulic brake circuit?
- Under current Annex IX Table 1, what is the maximum authorised mass for a motor vehicle’s tandem axle if the distance between the centres of the two axles is below 1.00 m?
- Under the Ministry of Transport Road Transport Observatory (2026) goods-vehicle classification, excluding tractor units, how is a vehicle with a MAM of 7 tonnes and a payload capacity of 3.2 tonnes classified?
- A road train is defined as…
- In a lorry with correctly functioning air suspension and automatic height control, what does the system do when load changes within its design limits?
- A lorry designed specifically for transporting solid, powdered or granular materials in an enclosed tank, with or without auxiliary means for loading or unloading, is called…
- A lorry with a MAM of 7,000 kg, not carrying dangerous goods, travels on a dual carriageway outside a built-up area with no lower specific limit. What is its general maximum speed?
- What is the main purpose of the airbag?
- What is the bead of a tyre?
- A three-axle rigid lorry has dual tyres and air suspension on its driven axle. Without alternative-fuel or zero-emission technology increments or the special roundwood transport case, what general total mass limit applies, provided its technical and axle limits permit it?
- Before setting off with a loaded truck, you must check that the load:
- An ordinary lorry is already 4 metres high measured from the ground. Without a height exception or special transport authorisation, how far may an indivisible load project above it without exceeding the general maximum height?
- Poor load distribution can cause:
- What is the name given to the set of components fitted between the wheel axles and the bodywork or, where applicable, the chassis?
- An adult drives a goods vehicle with a MAM exceeding 3,500 kg. Under RGC Article 20, what breath alcohol level must the driver not exceed?
- What is the general maximum authorised mass limit for a two-axle rigid lorry, without propulsion-technology increments or lower technical limits?
- On an ordinary lorry with two single axles, what is the general axle-mass limit for the non-driven axle, subject to any lower technical limits?
- A Silo-type motor vehicle is defined as a:
- What is the term for the actual mass of the vehicle and its load, including passengers?
- A lorry has a tandem axle group with 1.50 m axle spacing. Without meeting the special conditions permitting 19 t, and subject to lower technical limits, what is the general mass limit for that axle group?
- What is considered a van?
- If I am driving a lorry with a maximum authorised mass (MAM) of more than 3,500 kg, I should know that its maximum blood alcohol level cannot exceed...
- A motor vehicle with four wheels or more, designed and built for the transport of goods, which has a cab not integrated with the rest of the bodywork and a maximum of nine seats, is a…
- What is the name of the part that closes and protects the moving parts of the engine from underneath?
- Does loading or unloading goods permit a lorry to park in a second row?
- If you are driving a lorry carrying out a special transport operation, what alcohol level per litre of exhaled air must you not exceed?
- As a general rule, the maximum height of a lorry with its load will be ...
- Which rule must be observed when loading or unloading?
- Under the general Vehicle Regulations limit, what maximum mass is permitted on a lorry’s single non-driving axle, subject to lower technical limits?
- What is the name given to the motor vehicle with four wheels or more, designed and built for the transport of goods, whose cab is integrated into the rest of the bodywork, with a maximum of 9 seats including the driver?
- The braking distance of a C1 or C truck:
- What is the function of the power steering system?
- A tipping motor vehicle is defined as:
- During emergency braking in a truck with correctly functioning ABS, if you also need to steer to avoid an obstacle, how should you use the brake pedal?
- A lorry has a non-driven front steering axle and a single rear drive axle. Which axle contains the half-shafts that transmit drive from the differential to the wheels?
- Drivers of goods vehicles with an MAM (Maximum Authorised Mass) exceeding 3,500 kg must not drive with a blood alcohol level above...
- An adult driver with more than two years of licence experience drives a lorry with a MAM below 3,500 kg for ordinary goods transport, without dangerous goods or another reduced-limit case. What general maximum breath-alcohol concentration must not be exceeded?
- Outside an emergency, may you position your lorry on the driveable part of an interurban road’s shoulder for ordinary unloading?
- When using jump leads on a vehicle whose manufacturer permits that procedure, which precaution should you follow?
- A platform-bodied motor vehicle is a...
- In a C1 or C truck, the load must be:
- While driving your lorry, you notice it veers to one side of the road only when you press the brake pedal. What could this be due to?
- When leaving the driving position and parking on a noticeable 8% gradient, which vehicles must additionally be properly secured with chocks or the prescribed kerb support under Article 92.3?
- Under the current general regulatory limit, what is the maximum permitted mass on a single driven axle of a lorry?
- In public goods transport, what MAM threshold applies to heavy vehicles for an MDP authorisation?
- An ordinary rigid lorry, without a trailer or special authorisation, travels loaded. What is its regulatory maximum length, measured between the outermost points of the vehicle and load?
- Before topping up engine oil, where should you identify the correct filler cap or filling point?
- Drivers of goods vehicles with a Maximum Authorised Mass (MAM) exceeding 3,500 kg must not drive with a blood alcohol level higher than...
- The manufacturer permits jump-starting a negative-earth vehicle using a source of the same nominal voltage and the specified connection points. What principle must be followed when connecting the auxiliary source?
- An ordinary seven-metre rigid lorry used exclusively for goods carries indivisible-length concrete beams. Outside the special-transport regime, what general limit must its total length including the load comply with?
- In a conventional liquid-cooling system with a correctly working thermostat, what restricts coolant flow to the main radiator while the engine is cold?
- An identified adult driver personally commits a driving offence in a lorry, such as passing a red traffic light. Under the general rule of responsibility for that act, who is responsible?
- What pressure should the tyres have?
- What is the drain valve (bleed valve) for in the pneumatic braking circuit?
- When loading or unloading goods on the road is unavoidable and applicable stopping, parking and municipal rules are observed, on which side of the vehicle should it be done where possible?
- When replacing a blown fuse with another one, what must be considered primarily?
- If you are driving on a sufficiently wide road, may you park your lorry with an MAM of more than 3,500 Kg. in double file?
- During a manufacturer-specified check, the lorry is stationary, the engine is off and the brake is not being operated. What may indicate an air-brake circuit leak?
- If you drive a lorry measuring 6 metres in length and intend to transport indivisible beams on it, you should know that you may do so provided that, when positioning them, they do not overhang...
- With the vehicle stationary and the engine running, which component creates airflow through the radiator to assist cooling when needed?
- A lorry over 3,500 kg MAM follows another vehicle without signalling an intention to overtake. In which situation does the additional minimum 50-metre gap apply to allow a following vehicle to overtake?
- An N2 lorry with a MAM of 10,000 kg, first registered on or after 1 January 2005, is used on public roads and falls within no regulatory exemption. Must it have a speed limiter?
- The figure indicating the load index fitted to an industrial vehicle consists of two numbers separated by a slash, for example: 150/146. What does this indicate?
- For the purposes of traffic legislation, a lorry is…
- A lorry whose loading platform has a reduced height is the definition of which type of motor vehicle:
- A six-metre rigid lorry used exclusively for goods transport, outside a special transport regime, carries a properly secured beam of indivisible length. Subject to all other dimensions and requirements, what is the maximum rear projection?
- Outside a tunnel or underpass, with no sign imposing a specific gap, what safe following distance must a car at or below 3,500 kg MAM maintain on a motorway?
- In a conventional engine, must the cylinder-head gasket have the manufacturer-specified openings aligned with the block and head?
- Is the side protection device mandatory for tractor units intended for towing semi-trailers?
- In a clutch disc with a coil-spring torsional damper, what do those springs between the disc and its hub do?
- Under current Annex IX, compare an articulated vehicle with a two-axle motor vehicle and three-axle semi-trailer with a road train with a two-axle motor vehicle and three-axle full trailer. Without alternative-fuel, zero-emission, timber or special-authorisation increases, what are their respective general MAM limits?
- If you drive a four-axle lorry, you should know that the maximum authorised length, including its load, may not generally exceed...
- How far may the divisible load on your lorry overhang, as a general rule?
- Without an emergency, may you voluntarily place your lorry on the usable part of an interurban road’s shoulder to unload goods?
- For goods vehicles other than tractor units, which two thresholds does the Ministry of Transport Road Transport Observatory (2026) use to classify them as heavy?
- A lorry subject to the general 4-metre height limit, with no applicable exception or special authorisation, already measures 4 metres unladen. How far may an indivisible load project above it?
- By definition, an open-bodied goods vehicle is a:
- To drive a C1 or C truck safely, it is advisable to keep especially clean:
- On a two-wheel-drive vehicle with one driven axle, whose manufacturer permits the chosen snow chains, which wheels receive them when their use on snow is appropriate?
- By definition, a gondola motor vehicle is a:
- As a general rule, outside specific regulatory exceptions, what is the maximum authorised length, including its load, of a four-axle rigid lorry?
- If you drive a rigid three-axle lorry, you should know that its maximum authorised length, including the load, may not exceed....
- What maximum-mass range defines international category N2 for motor vehicles designed and constructed primarily to carry goods?
- If you are driving a rigid three-axle lorry, you should know that its maximum authorised length, including the load, must not exceed...
- What is the general maximum authorised mass limit for a two-axle rigid lorry, excluding the special mass increases for alternative-fuel or zero-emission technology?
- The maximum permitted mass for a single non-driven axle is…
- A motor vehicle with at least 4 wheels, designed and built for carrying goods, whose cab is not integrated into the rest of the bodywork and with a maximum of 9 seats, including the driver, is a:
- A motor vehicle is designed and built mainly to tow a semi-trailer. What is its General Vehicle Regulations classification?
- During an ordinary loading or unloading operation, what rule applies to where you deposit the goods?
- What is the name given to the mass obtained by adding the standard mass of a 75-kilogram driver to the tare weight of the lorry?
- During a loading or unloading operation lawfully conducted on the road, may goods be deposited on the carriageway, shoulder or a pedestrian area?
- An ordinary two-axle rigid lorry, without alternative-fuel or zero-emission mass increments or a special regime, carries 10 tonnes on its non-driven axle. Does that fact alone determine whether it may travel?
- An ordinary four-axle rigid lorry without a trailer, special authorisation or exception allowing the general dimensions to be exceeded travels with its load. What is its general maximum length including the load?
- In the General Vehicle Regulations classification by construction, what maximum authorised mass corresponds to a code-20 lorry?
- Outside a tunnel or underpass, with no sign imposing a specific gap, what safe following distance must a car at or below 3,500 kg MAM maintain on a motorway?
- Is a van, by definition, a light vehicle?
- Under Article 39 of the General Traffic Regulations, when may temporary or permanent traffic limitations be imposed?
- While driving your lorry, you notice it veers to one side of the road only when you press the brake pedal. What could this be due to?
- An ordinary trailer or semi-trailer has a MAM no greater than 750 kg. Does it need its own traffic-authority registration to be used on the road?
- What type of motor vehicle is a lorry in which goods are carried in a compartment open at the top?
- In a conventional liquid-cooling circuit, with the thermostat open to cool the engine, between which main components does the pump circulate coolant?
- Under the general dimensions-table limit, what is the maximum length including load of an ordinary road train, excluding 45-foot intermodal operations, vehicle transporters, euro-modular combinations, approved aerodynamic extensions and special transport?
- For a hydraulically operated clutch whose fluid can be checked and topped up, where should you identify the filling point?
- What breath-alcohol limit applies to an adult driver of a goods vehicle above 3,500 kg MAM?
- A 7 m lorry used exclusively for goods transport carries indivisible 12 m bars, projecting 2 m at the front and 3 m at the rear. Stowage, marking, masses, other dimensions and ordinary road-use requirements are met. Does it need special authorisation solely for those longitudinal projections?
- In which case is a parked vehicle considered to be seriously obstructing traffic?
- In an engine’s liquid-cooling system, what is the radiator’s main function?
- Under the axle-group definition in Annex IX of the General Vehicle Regulations, what is a tri-axle group?
- In some heavy goods vehicles, what does the pneumatic suspension system ensure?
- In a test for the C1 and C licences, the examiner may check that the applicant is wearing:
- An adult driver with more than two years of licence experience drives a lorry with a MAM below 3,500 kg for ordinary goods transport, without dangerous goods or another reduced-limit case. What general maximum breath-alcohol concentration must not be exceeded?
- An adult drives a goods vehicle above 3,500 kg MAM. What breath-alcohol limit applies?
- Driving a C1 or C truck with poorly adjusted mirrors:
- Under Annex IX, what is the general maximum circulation mass of an ordinary two-axle rigid lorry without alternative-technology or zero-emission increases or special authorisation?
Showing 200 of 233 questions. To see them all, practice the topic or take a simulation.
How to ace the safe loading questions on the C licence
Safe loading questions are usually among the highest-failure areas in the C licence exam. Each of the 233 exam-style questions here includes the options, the correct answer and an explanation of why it's correct.
The most effective way to master this topic is to alternate syllabus reading with question practice. Start by reading the full topic, then click into any question to study it in detail. Failed questions enter the smart-review queue until you master them.
Frequently asked questions about safe loading on the C licence
- How many safe loading questions are in the C licence question bank?
- Our exam-style question bank includes 233 safe loading questions for the C licence. Each comes with the correct answer and explanation.
- How should I study safe loading for the C licence exam?
- The C test has 20 questions. Use this bank to practise safe loading with explanations, and combine topic review with full mock exams.
- What are the most common safe loading mistakes?
- Three typical causes: 1) misreading prompts with decisive keywords ("always", "never", "except", "only", "at least") — they flip the correct answer; 2) switching correct answers in the final review due to self-induced doubt; 3) studying only by topic without full simulations, which penalises block-switching speed.
- How should I practise safe loading to prepare for the C licence?
- Alternate three modes: first study the full topic syllabus; then practise the 233 exam-style safe loading questions until you understand the logic of each; finally launch full C-licence simulations (20 questions, max 2 wrong) to train block-switching under pressure.