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DGT exam questions with answers and explanations
Bank of 10,671 exam-style questions with correct answer and explanation, organised by permit and topic. Open the licence you are preparing to see its questions grouped by topic; each question links to its correct answer and an explanation of why it is right.
B
B licence questions
- When joining traffic from a parked position, how may a driver check, if necessary, that it is safe to do so?
- As a usual guide, when does blood alcohol concentration tend to reach its maximum after drinking?
- A dual-purpose vehicle, without a trailer or special transport operation, travels on a motorway with no lower specific limit. What is its general maximum speed?
- To continue straight ahead, where must you stop?
- A car with MAM no greater than 3,500 kg has a breakdown. It can continue safely but travels at an abnormally low speed on a motorway, seriously disrupting traffic. The right shoulder is usable and wide enough. What must it do?
- Which of these is NOT a lighting device on the vehicle?
- If your vehicle makes a noise above the established limits, is its circulation prohibited?
- Which of these effects can anxiolytics cause, impairing driving?
- A driver puts their left arm out and bends it upwards with the palm extended to signal a lateral movement. Which direction are they signalling?
- Any road user involved in a road traffic accident, as far as possible…
- During ordinary car driving, may the driver use connected earphones to listen to music?
- How many rear-view mirrors must a two-wheeled moped carry as a mandatory requirement?
- Which emergency equipment does the pictured panel identify?
- If distraction prevents a driver from monitoring and correcting the vehicle’s path, which risk can directly increase?
- This danger sign indicates...
- As a general rule, to turn left in a car, with no signs or markings requiring another position, approach the left edge of the carriageway on…
- When driving at night through a built-up section of an interurban road, may you use high-beam headlights continuously?
- A row of fixed or flashing amber lights…
- Which of these is appropriate for removing ice from the windscreen without scratching it?
- Regarding ageing of passenger-car tyres, which action is appropriate?
- In 2026, to signal a breakdown of a car registered in Spain, must you walk along the carriageway to place warning triangles 50 metres away?
- Besides checking before long trips or whenever necessary, how often should tyre pressure normally be checked?
- With no higher-priority instruction or signal indicating otherwise, what must you do at this STOP sign?
- Before reversing a passenger car or other vehicle covered by a B licence, you must:
- What information do the pictured green panels provide when installed in a tunnel?
- When parking on an urban road that is not a through road, with lighting sufficient to make the vehicle visible at an adequate distance, must any lights be left on?
- If you are going to ride a motorcycle, what clothing is most appropriate?
- What is the maximum permitted breath-alcohol concentration for an adult bus driver?
- What colour is the V-1 warning light of a police emergency vehicle on an urgent call?
- A taxi driver travels on a motorway without a medical-exemption certificate. Must they wear their seatbelt?
AM
AM licence questions
- At a junction, a steady circular red traffic light applies to your vehicle alongside a vertical give-way sign. There are no officers or other instructions changing the situation. What must you do?
- Outside a built-up area, when does the general rule allow a passenger to ride in a moped’s trailer?
- By its meaning, does this sign prohibit entry on your moped?
- On a two-wheeled moped less than 1 metre wide, how far may the load extend sideways, measured from its longitudinal centreline?
- A moped travels on a conventional road with no route reserved for it. The right shoulder is not passable and adequate. Which part of the carriageway should it use?
- On a two-wheeled moped authorised to carry a passenger and tow a trailer, with the legal conditions met, where must the passenger sit?
- What danger does the pictured sign warn of?
- In an emergency stop on a two-wheeled moped without ABS, should you apply enough braking force to stop?
- You witness an accident with casualties who are not in immediate danger. If you lack first-aid knowledge and help has not been called, what should you do?
- If a traffic officer is directing traffic while you drive an AM moped or light quadricycle, you must:
A1
A1 licence questions
- If a motorcycle carries a passenger, it must have:
- Which of these situations requires particular care because of potentially low grip when riding a motorcycle?
- On a conventional road outside a built-up area, with two-way traffic, no physical separation and no specific posted limit, the shoulder is 1 metre wide. What is the general speed limit for a motorcycle?
- For the A2 licence, the authorized motorcycle must not exceed a power-to-weight ratio of:
- If an exam center outside the provincial capital stops meeting the required conditions for the A1 and A2 licences:
- You are riding a motorcycle on a conventional road outside a built-up area, with one lane in each direction, no physical separation between directions and no specific posted speed limit. What is the general maximum speed?
- Outside a built-up area, may you voluntarily stop your motorcycle on the usable part of the shoulder to set down a passenger?
- A motorcycle driver is about to stop. Must they warn the drivers following them of this circumstance?
A2
A2 licence questions
- Must a privately used motorcycle that is neither classified as historic nor used by a driving school undergo periodic inspection according to its age?
- Which clothing helps protect a motorcycle rider’s body against abrasion and impacts in a fall?
- When carrying an authorised passenger on your motorcycle, what possible effect of the additional load must you consider when braking?
- Which lights must be switched on if you are riding a motorcycle on a road within a built-up area during daylight hours?
- High traffic density in urban areas creates frequent zones of uncertainty, so a motorcycle rider must:
- Can road traffic accidents be avoided?
- The knowledge of the motorcycle necessary to drive safely is obtained...
- Why is an approved, correctly fitted full-face helmet recommended over an open-face helmet for motorcycle riding?
- If you are riding your motorcycle in heavy rain, what precautions should you take?
B+E
B+E licence questions
- With a side wind, if you are driving a trailer combination, you must:
- On a long downhill section with a trailer, the correct action is to:
- In the specific knowledge test for B+E, the expected time is:
C
C licence questions
- If you are driving a van with a maximum authorised mass (MAM) of four tonnes without a load, may you enter a road that has this sign at the entrance?
- Can delineation signs also indicate obstacles on a road?
- A lorry has an expansion tank marked MIN and MAX. When checking coolant with a cold engine according to the manufacturer’s instructions, must you inspect the level?
- If a traffic officer raises an arm vertically and we cannot stop our vehicle safely…
- Which behaviour increases crash risk when driving a lorry, even without exceeding the permitted maximum speed?
- In 2026, a lorry registered in Spain is immobilised by a breakdown on a one-way urban road. How should the danger be signalled?
- In a combustion engine with a turbocharger and intercooler, where is the intake air filter located?
- Without a supplementary panel indicating another distance, a regulatory sign’s obligations, restrictions or prohibitions begin to apply from…
- Without a supplementary panel indicating another distance, a regulatory sign’s obligations, restrictions or prohibitions begin to apply from…
- The truck you are driving is 2 metres wide. What lights must it carry due to its width?
- In a truck, why must you take extra care with nearby road users during turns and merging?
- On a road surface in good condition, the steering wheel vibrates particularly at certain speeds. Which of these mechanical causes may produce this?
- On ice, up to what multiple of the normal braking distance on a dry road may a vehicle need?
- The C1 licence authorizes automobiles whose MAM:
- The driver of a lorry with a maximum authorised mass (MAM) exceeding 3,500 kg who is about to overtake must...
- Your lorry travels in the normal direction in a lane adjoining one opened against its usual direction. There are two lanes for your direction. Which lighting and speed rule applies?
- If the width of the lorry you are driving exceeds 2.10 metres, you must know that the width indicator lights are...
- 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?
- A lorry travels at night, between sunset and sunrise, on an insufficiently lit road through a built-up area. Which lights must it use?
- What does adjusting the headlights of your lorry's lighting system involve?
- What restriction does this R-112 sign impose on a rigid vehicle travelling without a trailer?
- You drive a lorry at night on main beam and realise it may dazzle pedestrians walking on the shoulder. Must you switch to dipped headlights?
- If you have consumed a large amount of alcohol and wish to drive, what should you do?
- 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?
- If you are transporting a load on the lorry you are driving that consists of posts protruding from the front of the vehicle, when must you signal it?
C1
C1 licence questions
- Inside a tunnel with several lanes of traffic in your direction, you are driving your lorry behind another vehicle which you intend to overtake. What separation must you maintain between both vehicles before starting the move?
- When replacing this halogen bulb, which precaution prevents grease deposits that could damage it when heated?
- If you are driving an unladen lorry with a maximum authorised mass of 5 tonnes, may you enter a road at whose entrance this sign is displayed?
- On a road, may a lorry reverse as a manoeuvre complementary to a U-turn?
- As a general rule, above what width must a lorry be fitted with end-outline marker lights?
- When approaching a foreseeable stop, if conditions allow safe deceleration, what helps save fuel in a combustion-engine vehicle?
- At the entrance to a carriageway, what does this sign indicate?
- 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?
- Under the wording of Annex VI.A.2 of the General Driver Regulations, after two unsuccessful attempts, what minimum interval is specified between the second and third, except for a justified exceptional reduction?
- 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?
- What is blood alcohol concentration?
- In a lorry’s friction clutch with a manual gearbox, which component is pressed against the flywheel to transmit engine rotation to the gearbox input?
- 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?
- How should the load that has to be transported be stowed?
- On a narrow, steep section, with no signs or officer regulating priority, a truck and a car cannot pass each other. The uphill vehicle cannot reach a passing place first. Which vehicle has priority?
- If you are transporting a load on the lorry you are driving that consists of posts protruding from the front of the vehicle, when must you signal it?
D
D licence questions
- When snow chains are the chosen anti-skid option for a bus, what minimum placement does the General Vehicle Regulations require, while also following fitting instructions?
- Taking into account the volume of a bus, when is the wind most dangerous?
- For special regular public school transport covered by Article 1(a) of Royal Decree 443/2001, who gives prior notice of the stops to the competent traffic-regulation authority?
- Under Regulation 561/2006’s driving and rest regime, what describes driving time?
- On a motorway outside a built-up area, under normal conditions, what is the minimum speed at which a bus equipped with seatbelts and not used for the transport of minors must travel?
- An identified driver personally disobeys a traffic sign while driving. With no special liability provision applying, who is responsible for that infringement?
- After securing the scene and calling 112 for a bus crash, a driver without medical training approaches an injured adult. What initial assessment should guide assistance under the dispatcher’s instructions?
- If you feel fatigued while driving a bus, the correct action is to:
- On a new tyre, the label in the image provides information on environmental and safety aspects. What information does this label include, among other things?
- If you are driving a bus and a traffic officer is directing traffic, you must:
- The ordinary validity period of D1 and D licences is:
- In 2026, which combination of accessories does Annex XII of Spain’s General Vehicle Regulations require on a bus registered in Spain?
- In a lorry with a transmission-mounted hydraulic retarder, which wheels receive its retarding effect?
- In a vehicle whose cooling system has an expansion tank with level marks, where do you check the coolant level according to the manufacturer’s instructions?
- As a general rule, the bus you are driving will have a maximum width of:
- If you are driving a bus and carrying out a discretionary public passenger transport service where at least three-quarters of the passengers are under 16 years old, you must know that the accompanying person...
- If you are driving a bus carrying out discretionary public passenger transport, where at least three-quarters of the passengers are under 16 years old, you must know that the accompanying person:
- May a bus authorised to use the road travel in a lane opened against its usual direction because of roadworks?
- What can be done to reduce the effects of crosswind?
- A 24 V starting system uses two identical compatible 12 V batteries. Which connection adds their nominal voltages?
- A bus operates exclusively a regular passenger service whose complete route is 40 km long. Is that service subject to mandatory tachograph use under Regulations 561/2006 and 165/2014?
- A bus authorised to carry standing passengers travels on an urban road with two or more ordinary lanes in each direction, without a shared carriageway-and-pavement platform or a specific posted limit. What is the general speed limit?
- In a D1 or D bus, correct tire pressure:
- As a general rule, what is the maximum length of a rigid bus with more than two axles, without a trailer?
D1
D1 licence questions
- On a bus fitted with seat belts, before or at the start of the journey passengers subject to the rule should be reminded that:
- If you are driving a bus and you encounter a STOP sign, you must:
- Someone applying for the D licence who already holds D1 is exempt from:
C+E
C+E licence questions
- Does the C1E driving licence authorise you to drive a truck with a maximum authorised mass (MAM) exceeding 16,000 kg, towing a non-light trailer?
- The towing vehicle of a combination has a windscreen and has passed its periodic inspection. Where should its own V-19 inspection sticker be placed?
- On a long downhill stretch with a heavy combination, it is advisable to:
- In a C1+E or C+E combination, the load and the trailer must be:
- Before or during the practical tests for the C1+E and C+E licences, examiners may check whether the vehicle:
C1+E
C1+E licence questions
- In a heavy combination, mirrors should be used especially to:
- At a yield sign with a C1+E or C+E combination, you must:
- For C+E to be issued, the applicant must already hold:
- When joining traffic from the edge of the road with a C1+E or C+E combination, the correct action is to:
- The towing vehicle of a combination has a windscreen and has passed its periodic inspection. Where should its own V-19 inspection sticker be placed?
D+E
D+E licence questions
- In congestion, with a D1+E or D+E combination, keeping space from the vehicle ahead helps to:
- With a side wind and a D1+E or D+E combination, the prudent action is to:
D1+E
D1+E licence questions
- On a long downhill section with a bus and trailer it is advisable to:
- In a test for the D1+E and D+E licences, the examiner may check that the applicant is wearing:
- In a bus with a trailer, a basic inspection should include:
- If a medicine can affect attention or reaction time while driving a D1+E or D+E combination:
LCM
LCM licence questions
- Handling a mobile phone while driving a vehicle for persons with reduced mobility:
- To take a practical test for the LCM licence, which documents may an applicant be required to present for identification, as applicable?
- Before setting off with a vehicle for persons with reduced mobility, it is advisable to check that:
- To drive a vehicle for people with reduced mobility, must a holder of a valid category B licence additionally obtain an LCM licence?
- As a general rule, how long is an LCM licence valid before age 65 and from that age?