DGT C licence questions: Safe loading

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At an unsigned narrow passage, with no steep gradient or instructions from officers or authorised personnel, two vehicles of the same type…
Under Spain’s vehicle-use classification, a vehicle carries goods in a fully enclosed compartment, with no padding or special interior…
A lorry used exclusively for goods transport is exactly 5 metres long. It carries indivisible-length posts with proper stowage and…
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…
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…
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…
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…
As a general rule, excluding special increases, what maximum authorised mass does the Annex IX table allow for a three-axle lorry whose…
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…
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…
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…
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…
The figure that indicates the load index of a tyre fitted to an industrial vehicle consists of two numbers separated by a slash, for…
A company whose main purpose is not transport carries out transport as a necessary or appropriate complement to its main activity and meets…
A lead-acid battery with accessible cell caps permits water top-ups under its manufacturer’s instructions. What maintenance should be…
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…
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…
In ordinary driving, without special authorisation to use the shoulder or an officer’s instructions, may a lorry exceeding 3,500 kg MAM use…
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…
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…
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…
Under the general table in Annex IX, what is the maximum authorised mass of a two-axle rigid lorry without alternative-fuel, zero-emission…
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…
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…
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…
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…
A lorry with a MAM exceeding 3,500 kg travels through an underpass without intending to overtake. What specific minimum separation from the…
As a routine unloading location, when unloading on the road is not unavoidable, may you choose an interurban road’s shoulder to position…
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…
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…
A three-axle lorry has a drive axle fitted with twin tyres and air suspension. Under the current general Annex IX table, without…
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…
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…
A three-axle lorry has its drive axle fitted with dual tyres and air suspension. Excluding round-timber transport and alternative-fuel or…
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…
Under the Ministry of Transport Road Transport Observatory (2026) goods-vehicle classification, excluding tractor units, how is a vehicle…
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…
A lorry designed specifically for transporting solid, powdered or granular materials in an enclosed tank, with or without auxiliary means…
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…
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…
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…
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?