DGT C1 licence questions: Goods transport rules

Page 1 of 2 · Questions 1 to 100 of 135

Question index View topic Practise Goods transport rules

When replacing this halogen bulb, which precaution prevents grease deposits that could damage it when heated?
Under the wording of Annex VI.A.2 of the General Driver Regulations, after two unsuccessful attempts, what minimum interval is specified…
What is blood alcohol concentration?
May an ordinary lorry driver hold a telephone conversation while driving without using their hands, audio headsets or earphones?
Between the two attempts of the same the C1 and C licences application there should normally be no more than:
A lorry has aerodynamic air deflectors designed for its configuration and correctly adjusted. Can they help reduce fuel consumption?
As the base time, without extensions for videos or duly justified special needs, how much time is allowed per question in the C1 or C…
Under the wording of Annex VI.A.2 of the General Driver Regulations, what minimum interval is specified between successive attempts after…
Someone applying for the C licence who already holds C1 is exempt from:
Without an emergency or a traffic officer’s instruction, you wish to make a voluntary stop on a two-way interurban road. May you choose the…
Speed limits when driving a C1 or C truck:
What driving behaviour can cocaine use promote?
The tests for the C1 and C licences are normally taken in:
During the practical tests for the C1 and C licences, the use of phones or other data-transmission systems:
An ordinary lorry, not performing special transport or carrying dangerous goods, travels on a road reserved for motor vehicles outside a…
In the DGT Road Safety manual’s general analysis, which factor contributes most to crashes: human, vehicle or road?
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?
With a C1 licence, the base vehicle may tow:
Without special-transport authorisation, which vehicle superstructure does the dimensions table allow to be 2.60 metres wide?
The general minimum age to obtain the C licence is 21, although it may be obtained at 18 if:
With a truck, height, width, or mass limits must:
With moisture and temperatures near or below 0°C, which areas require particular caution for possible ice?
Classes C1 and C apply to vehicles:
During the knowledge test for the C1 and C licences, what happens if the applicant uses a mobile phone to receive unauthorised help?
In case of suffering from an illness, must the driver of a vehicle ask the doctor about the precautions that should be taken for driving?
On a vehicle whose rev counter includes a green zone for economical driving, what does that zone represent?
One of the possibilities covered by the C1+E licence is driving:
Before descending a mountain pass in a lorry, how should the gear be selected to help control speed?
Drowsiness…
If you are driving a truck and a traffic officer is directing traffic, you must:
What is the main function of a conventional fuse in a vehicle’s electrical circuit?
On the date of the first practical-test attempt for the C1 and C licences, the applicant must:
Must a complete lorry, rather than a chassis-cab, have side marker lights?
The manufacturer allows replacement of a halogen dipped-beam bulb. With the lights switched off and the bulb cool, what handling precaution…
An ordinary lorry uses a road reserved for motor vehicles that is neither a motorway nor a dual carriageway, with a general lorry limit of…
An 11-metre lorry follows another vehicle without signalling an intention to overtake. In which situation must it leave at least 50 metres…
Obtaining the C licence also grants:
A lorry is exactly two metres wide. Regarding position and end-outline marker lamps, which equipment is mandatory at that width?
According to Table 50 of the DGT 2024 Annual Road-Collision Report, for urban and interurban roads excluding Catalonia and the Basque…
Driving at high speed for a long time…
What is the purpose of fuses?
When the width of the lorry is greater than 2.10 metres, what are the lights indicating this called?
If an exam center outside the provincial capital stops meeting the required conditions for the C1 and C licences:
In the knowledge tests for the C1 and C licences, the official questions may have:
The ordinary validity period of professional C1 and C licences is:
Passive safety elements are:
Within the maximum speed limits, is it possible that we are travelling at an inappropriate speed?
Which behaviour increases crash risk when driving a lorry, even without exceeding the permitted maximum speed?
Which situation is expressly included in Article 91(2) as stopping or parking in a dangerous location or seriously obstructing traffic?
An ordinary tractor unit travels on a dual carriageway outside a built-up area, with no special or dangerous-goods transport and no lower…
On a lorry, is the rear fog light compulsory?
Before or during the practical tests for the C1 and C licences, examiners may check whether the vehicle:
The clearance lights on a lorry must be...
The chest strap of the seat belt must pass over…
Vehicles authorized by C1 or C are generally designed to carry:
Is it prohibited to throw any object that could cause a fire or endanger road safety?
Before driving, is it advisable to take a medicine on your own without checking its warnings or seeking advice about possible effects on…
For complete lorries, excluding chassis cabs, when are side position lights compulsory because of length?
Under the General Driver Regulations, what percentage calculates the maximum permitted errors in the C1 or C specific knowledge test, with…
In the specific knowledge test for C1 or C, the official number of questions may be between:
On a two-way urban road where stopping or parking is permitted and you must use the carriageway or shoulder, on which side should you…
The C1 licence authorizes trucks whose MAM:
Should you check the windscreen-washer fluid regularly?
On an urban road with usable pavements or pedestrian areas, where should pedestrians normally walk?
The C1 licence applies to vehicles whose maximum authorized mass is:
In road traffic, we call vulnerable groups the...
If applying the 10% permitted-error threshold in the C1 or C specific knowledge test produces a decimal result:
What effects does drinking alcoholic beverages produce, even in small amounts?
For headlamps allowing vertical and horizontal adjustment, what does aiming them involve?
Is the driver's sex one of the factors that can influence blood alcohol concentration?
When should you replace a lorry’s windscreen-wiper blades?
Can the edge line of the carriageway be crossed?
The lorry you are driving is 2 metres wide. Which lights must it carry because of its width?
A lorry equipped with main-beam headlights travels at night above 40 km/h, outside a built-up area on an insufficiently lit road. It is not…
For a C1 or C licence to be issued, the applicant must already have:
Are lorries required to have a rear fog light fitted?
The C1 licence authorizes automobiles whose MAM:
Without a justified reason, in which case is the regulatory minimum speed applicable to the vehicle and road breached?
On an ordinary lorry, excluding the exception for red side lights integrated with a rear device, what are the colours of front, side and…
When setting a specific speed limit for a road section, which set of factors should be considered?
When replacing a blown fuse in a lorry, what specification must you follow?
Can excessive temperature in a vehicle's cabin increase the driver's reaction time?
For a C1 or C licence to be issued, the applicant must already hold:
On an ordinary complete-bodied lorry wider than 2.10 metres, are end-outline marker lights compulsory?
What is the name given to the set of mechanisms that regulate the intake and exhaust of gases in the cylinders?
The duration of the stop must be less than...
In goods transport, the required documentation must:
According to the national 2024 urban crash data presented by the DGT on 8 August 2025, which crash type caused the most fatalities?
To improve the safety of occupants in the event of an accident, a device called an airbag has been fitted to vehicles. What does it consist…
A lorry uses a roof deflector suited to the combination, correctly designed and adjusted. Can it help reduce fuel consumption?
Which set of reasons does Article 37 provide for the competent authority to order a different direction of travel?
A cage vehicle is one that is intended for the transport of...
In a car, the airbag, as a passive safety system…
As a general rule, the minimum age to obtain the C licence is:
On long lorry journeys, what helps reduce the risk of fatigue?
The C1 licence authorizes you to drive trucks whose maximum authorized mass:
Public transport by road is defined as...
With a C licence, the vehicle may tow:
In duly justified special cases, the time for the knowledge tests for the C1 and C licences:
If the lorry you are driving is more than 2.10 metres wide, you should know that its clearance lights are...