Preparing for the ADR exam can be a daunting task, especially for those unfamiliar with the specific requirements and format of the test. The ADR (Accord Dangereux Routier) certification is crucial for professionals involved in the transportation of dangerous goods by road in the UK. This article aims to demystify the ADR exam by providing valuable insights into the types of questions you may encounter, the pass marks required, and the structure of the various specialized courses.
The ADR exam is a one-choice test where participants need to select the correct answer from four options. The exam encompasses several modules, including the basic course, which lasts 60 minutes and consists of 30 questions, with a pass mark of 20 correct answers. For those pursuing specialized courses, such as the carriage of dangerous goods by road in tankers, explosives (Class 1), or radioactive material (Class 7), the exam durations and the number of questions vary, but the fundamental structure remains the same.
To help you succeed, we provide comprehensive ADR test questions and answers, sample questions, and past papers. Understanding the format and the type of questions, such as those included in our ADR exam sample questions, will significantly enhance your preparedness. Practice is key, and by familiarizing yourself with past papers and sample questions, you can approach the ADR exam with confidence.
In the following sections, we will delve deeper into the specifics of each course, the number of questions involved, and the exact pass marks required. Whether you’re curious about the number of questions in the ADR Training exam or the pass mark needed, this guide will equip you with the necessary knowledge to achieve success.
Type of hazard indicated on the orange plate:
- Highly Flammable Toxic Liquid
- Highly Toxic Flammable Liquid
- Highly Flammable Toxic Substance
- Highly Toxic Flammable Substance
What type of personal protective equipment is necessary when handling cryogenic gasses?
- Good quality leather rigger gloves
- Good quality driving gloves
- Heavily insulated leather gloves
- Good quality chemical resistant gloves
When transporting class 3, class 8, and class 9 dangerous goods in this container, what information must be displayed?
- Class 3, class 8, class 9 placards displayed on all 4 sides
- Class 3, class 8 and class 9 labels on all 4 sides
- Class 3, class 8 and class 9 placards on both sides and rear
- Class 9 diamonds on all 4 sides
A vehicle transporting dangerous goods displaying this label requires which of the following additional safety equipment
- Emergency escape mask for each crew member of the vehicle
- Full chemical suit with a respirator
- Brush, shovel, and a collecting container
- An antidote for each member of the vehicle crew
Which PG-rated goods are suitable for transport in this package?
- PGI
- PGII, PGIII
- PGIII, PGII, PGI
- PGI, PGII
Interpretation of this sign
- Correct orientation for storage
- Stack only in pairs
- Indicates a two-way road
- Lift operates upwards
Dimensions of a blank orange plate:
- 30 cm x 40 cm
- 30 cm x 30 cm
- 40 cm x 30 cm
- 40 cm x 40 cm
Who is accountable for providing the Instructions in Writing to the driver?
What personal protective equipment (PPE) is required for the driver and crew of a vehicle transporting dangerous goods according to the Instructions in Writing?
- Gloves, safety glasses, hard hat, safety boots, and a high-visibility vest.
- Hard hat, safety boots, goggles.
- Safety boots, safety glasses, high-visibility vest.
- Gloves, eye protection, high-visibility vest, and a torch.
Where can the driver find information about the hazards of the load being transported?
- Instructions in Writing
- Transport Documents
- Container Packing Certificate
- Load Packing Order
In ADR Class 7 are:
- Radioactive materials
- Corrosive materials
- Infectious materials
The choice of packaging is the responsibility of:
- Warehouseman
- The producer, shipper of the dangerous goods
- Freight Forwarder
Exemption from the ADR provisions under regulation 1.1.3.6. (excluding tables) allows:
- Exemption of the driver and the vehicle from certain requirements of the ADR provisions
- Permits the carriage of dangerous goods in tanks
- Non-compliance with ADR provisions
Management of thermal burns:
- Cool thermal burns by running water for about 15 minutes, giving the victim warm drinks
- Spread butter on the burned areas
- Apply disinfection with salicylic acid
Dangerous goods according to the ADR are:
- Any unpackaged cargo
- A substance classified in one of 9 hazard classes
- Any goods carried in a tank
Transport is not allowed in the tunnel:
- Class 7 materials
- Hazardous materials transported in tanks
- No load when the driver has identified a failure of the vehicle braking system
The class of dangerous goods shall include:
- Materials with different levels of hazard
- Only chemically pure materials
- Only materials that are neither suffocating nor flammable
In ADR Class 4.3 are:
- Materials which, in contact with water, emit flammable gases
- Flammable liquids
- Infectious materials
If an emergency occurs, which of the following documents are important for the rescue operation?
- An ADR certificate
- Driving licence and ADR training certificate
- The transport document
What rules should be followed when putting out a fire?
- If the engine is on fire, powder extinguishers should not be used as the powder injected may react with the diesel
- If the engine is on fire, inject powder e.g. through holes in the dummy or under the cab
- If a tire is on fire stop immediately
Written instructions:
- Contain information concerning the route and rest stops that should be made during the carriage
- Are only required for the carriage of dangerous goods and shall be written in a language understood by the driver
- Always include the trade name of the substance and the weight of the cargo in kg
High risk dangerous goods are:
- Infectious materials transported in tanks
- All materials in Class 6.1 of Packing Group I
- Certain materials of Class 9
In tunnels it is prohibited to:
- Conduct interviews
- Use a mobile phone
- Listen to the radio
The consignee of dangerous goods is responsible for:
- Informing the emergency services if they discover damage to the consignment that affects safety
- Providing the driver with written instructions concerning the goods to be carried
- The content of the written instructions to the driver
What is the predominant hazard of dangerous goods of class 2 (common to all goods of the same class)?
- The possibility of rupture of the cylinder due to internal pressure
- The formation of low temperatures by the expansion of gases
- Possibility of explosion of gas/air mixture
The packaging of dangerous goods should:
- Be made exclusively of non-combustible material
- Have a handle for mechanical handling
- Prevent the contents from escaping under normal conditions of carriage
What is the purpose of ADR legislation?
- The release of dangerous goods for transport under specified safety conditions
- The conditions under which dangerous goods are transported by all modes of transport
- Harmonisation of environmental protection provisions (fauna and flora)
Written instructions to the driver should:
- Be read by the driver only if there is an accident, i.e. at the last minute
- Be confirmed by the Fire Brigade
- Indicate the personal protective equipment to be used in the event of a release of material
The symbol “X” in the packaging code indicates that:
- It may be used for materials in packaging group I or III in the respective classes
- The packaging is intended for liquid materials only
- It is intended for materials reacting dangerously with water
What should a driver do if the required markings on items of consignment are missing?
- Carry out the carriage if the representative of the consignor takes part in the carriage as escort
- Ask for it to be completed
- Start the transport in the hope that the vehicle will not be inspected
A transport unit with a permissible gross laden weight (DMC) of more than 7.5 tonnes shall be fitted with fire extinguishers:
- With a total content of 12 kg
- With a total content of 10 kg
- A total of 12 kg, at least one of which should be less than 2 kg
To improve safety, the driver should:
- Weigh the loaded vehicle and if it is only overloaded by 5 % continue driving
- Group shipments by hazard
- Remove safety guards from tie-down straps
Written instructions to the driver for the collection of cargo abroad:
- Be written in the language of the sender only
- Are not required if the cargo is destined for Iraq
- They must also be provided in a language understood by the driver
What precautions should a driver take when loading a carriage of Class 4.3 materials?
- Use only an open vehicle (without sheets)
- Direct the hot air flow from the combustion heater onto the load to prevent moisture build-up
- Perform loading operations avoiding contact with water
The carriage of dangerous goods in units of consignment shall mean:
- The carriage of large equipment or hazardous goods without packaging
- Carriage by tanker
- Carriage in tank-containers
Fire extinguishers on the vehicle:
- Should be refilled after each use even if they are partly full
- Shall be secured one on the vehicle and one on the trailer
- They must be serviced at least every 7 years
Which of the following hazards of goods of Class 4.1 are considered to be the most important?
- Flammability
- Corrosive properties
- Oxidation
Partial exemption from the provisions of Annex B to the ADR, provided that certain quantitative limits per transport unit are respected:
- Transport operations of a rescue nature
- Transported in approved and labelled packages
- The carriage of appliances not mentioned in the list of goods but containing dangerous materials (e.g. refrigerators containing refrigerant gas)
The carriage of dangerous goods in bulk shall mean:
- The transport of objects (e.g. waste batteries) in plastic containers of adequate resistance
- The carriage of unstamped packages
- Carriage by tank-container
What is meant by multimodal (combined) transport?
- Carriage of goods by means of at least two motor vehicles
- Carriage of different loads to several recipients
- Carriage of goods by at least two different modes of transport (e.g. rail and road)
Specialist course – tankers
Battery master switch:
- Be fitted to every vehicle of type “EX/III” or “FL”
- Be fitted to every ‘EX/II’ type vehicle
- Be fitted to every OX vehicle
Indicate the materials that must not be transported in tankers:
- UN 1203
- UN 0113
- UN 3257
Who is responsible for the correct preparation of the written instructions for the driver?
- Tank driver
- The producer or shipper of the hazardous material
- Freight forwarder
What can the driver of a tank vehicle do to reduce the effects of ripples in the tank?
- Drive to a cool place at temperatures above 25°C
- Not to apply specific safeguards
- Gently reduce speed before bends or intersections
The powder extinguishers with which the tanker is equipped:
- May not be used if they are not labelled in accordance with a standard recognised by the competent authority and do not have an expiry date
- Need not be checked by the driver before each departure
- May not be used if not labelled in accordance with the Polish Standard
Who is responsible for providing the driver with written instructions before starting to fill the tanker?
- The nearest fire station
- The sender
- The Organic Industry Institute
For what purpose are safety devices used when filling a tanker?
- To enable noise-free filling
- To allow bubble-free filling of the tank
- To prevent overfilling of the tank
According to the ADR, the fire extinguisher on the tanker shall be fitted with:
- The list of extinguishing materials for which it is intended
- The date of sale
- An indication of the date of the next inspection
Which vehicles are required under the ADR agreement to have a vehicle certificate for the carriage of certain dangerous goods?
- Only those with a gross vehicle weight of more than 7.5 tonnes
- All fixed tanks that transport dangerous goods
- Only those whose gross vehicle weight does not exceed 3.5 tonnes
When should a “gas pendulum” (closed loop filling) be used?
- Only for refuelling of Class 3 goods of Packing Group I
- Where it is required to prevent vapours escaping when the tank is full
- For all flammable liquids
What is the purpose of the breather mounted on the liquid phase drain valves of tankers carrying liquefied gases (e.g. liquefied propane-butane mixtures)?
- To determine when loading of the tanker should be completed
- To determine when the unloading of the tanker should be completed
- It serves to relieve the pressure prevailing under the threaded blanking plug by preventing the plug from “popping”
What must a driver who empties a Class 2 flammable tanker be aware of?
- The driver emptying the tanker must check the tanker’s fill level
- The driver emptying the tank must monitor the temperature inside the tank
- An overpressure (pressure higher than atmospheric pressure) shall be left in the emptied tank
A customer’s liquefied petroleum gas (propane) tank was accidentally overfilled. What should the tanker driver do?
- Ask the customer to switch on the collection system to drain excess gas from the tank
- Notify the fire brigade
- Pump off the excess liquefied gas
When should the “gas pendulum” (closed loop handling) be used?
- For tankers that do not have the possibility of controlling the degree of filling
- During the filling and emptying of tanks with materials whose vapours cannot escape from the filling tank for environmental reasons
- When two products are mixed
How will a vehicle driver recognise the suitability of a tanker for the carriage of liquefied gases?
- By the dimensions of the tank
- The first letter of the tank code, if the tank has a code
- The second letter of the tank code, if the tank has a code
What are the essential equipment of tank-containers for the transport of liquefied flammable gases?
- The installation (specific components) for its earthing during loading and unloading
- Safety valve without preceding safety plate
- Safety valve with preceding safety plate for poisonous gases
The pump for pumping liquefied gases is leaking. Fog formation prevents visibility in the control cabinet. What needs to be done urgently?
- Blow through the haze to locate the leak
- Close the internal gas supply isolation valve to the pump and simultaneously switch off the pump
- Accelerate the handling to reduce leakage
What safety equipment is included in gas tankers and tank containers?
- Battery casing
- A manhole cover
- A system comprising a pressure relief valve, a pressure relief plate and a test gauge
Class 7 course
Which of the following statements are true?
- Alpha, beta, and gamma rays have the same penetration.
- The least penetrable radiation is gamma radiation.
- Gamma radiation is more penetrating than beta radiation.
Which of the following definitions correspond to the term ‘radioactive contamination’?
- The radiation dose absorbed by the body.
- The dose rate on the surface of the consignment.
- Contamination caused by radioactive material.
How many persons, other than the vehicle crew, may be carried in a vehicle carrying radioactive material?
- A maximum of 2 persons when consignments marked with No 7 B stickers are carried.
- A maximum of 1 person if consignments marked with the No 7C and No 7 E stickers are carried.
- None if there are items of consignment marked with No 7 B stickers on the vehicle.
What inscriptions or marks should be placed on type B (U) packages containing radioactive material?
- Amber-coloured plates with the material and hazard identification number and an appropriate radiant warning sticker.
- Orange-coloured plates.
- The material identification number preceded by the letters “UN” and the correct shipping name.
Which of the following definitions correspond to the term ‘radioactive contamination’?
- The presence of a radioactive substance on the skin of a human being.
- The radiation level at the surface of the consignment.
- The radiation emitted by the radioactive material in the package.
How can people perceive radioactivity (without measuring instruments)?
- Visually.
- By the faint crackling caused by the movement of particles colliding with the interior of the packaging.
- Have no senses to perceive radioactivity.
Labelling of packages containing radioactive material:
- Should be placed by the driver.
- Specify the maximum number of items that can be loaded on one vehicle.
- Consist of special stickers – round and hexagonal, red in colour.
Radioactive material:
- Emits radiation only when it comes into contact with air.
- It always emits ionising radiation.
- Ceases to be radioactive if it ignites.
What inscriptions or marks should be on type A packages containing radioactive material?
- Warning labels, depending on the category of the consignment.
- It is not necessary to mark consignments as the marking of vehicles is sufficient.
- Orange coloured plates.
What is meant by the term ‘radioactive’?
- The unit used to determine the power of a radio transmitter.
- Light intensity from gammagraphic instruments (isotope defectoscopes).
- The term identifies a substance that is capable of transforming itself into another.
Where should the 7B sticker be placed?
- On two opposite sides of a large container.
- On one of the sides of the consignment.
- On two opposite sides of the consignment.
What information is given on sticker 7C (category III – YELLOW)?
- The transport indicator.
- The dimensions of the package.
- The maximum authorised volume of the consignment.
What is meant by the term ‘radioactive content’?
- The part of the package that comes into contact with radioactive substances.
- The radioactive material in the package.
- External radiation emitted by radioactive substances.
What are the risks associated with human radiation?
- The contaminated part of the body may be affected by haemorrhaging.
- Blood poisoning.
- Changes in the cells of the human body.
Which of the following terms refer to absorbed radiation?
- Activity.
- The type of radioactive isotope.
- The dose.
Class 1 course
Before loading, how can the driver check that the explosives have been properly packed?
- Verify that each package is accompanied by a certificate of approval.
- Verify that the certification mark is applied to each item of the consignment.
- Check that the wrappings inside the outer packaging are tightly closed.
When transporting consignments with 1, 1.4, 1.5, and 1.6 stickers, which stickers should be affixed to the vehicle?
- Only sticker 1.
- Only stickers 1 and 1.4.
- Only stickers 1.4, 1.5 or 1.6.
In accordance with regulation 1.1.3.6, explosives and explosive articles may be carried in limited quantities in the same vehicle which:
- Depend on the item number of the bill of materials.
- Are known and observed by the sender.
- Depend on the subclass to which they belong.
If the vehicle is carrying explosives presenting in addition a danger of poisonous or corrosive effects, or both, it shall have:
- In addition stickers No 6.1, and 8.
- Only sticker No 6.1.
- Only sticker No 8.
With which Class 1 materials should consignments be provided with three warning stickers?
- With poisonous explosives.
- With corrosive explosives.
- With poisonous and corrosive explosives.
Why is impact or friction dangerous for explosives?
- Because their mechanical energy converted into heat can initiate an explosion.
- Because poisonous vapours are always emitted.
- Because they have a corrosive effect on the packaging material in which they are contained.
What is indicated on the warning stickers affixed to consignments of Class 1 material?
- In some cases, such as sticker No 1, in the lower part the classification code.
- In some cases, for example, a sticker with the letter N on the lower part indicating the conformity group.
- All stickers have only a subclass number.
The carriage of explosives and explosive articles in bulk is:
- Absolutely prohibited.
- Only allowed with EX/III compliant vehicles.
- Authorized provided the driver is over 21 years of age.
What ADR accessories are required on the vehicle?
- A shovel and a broom.
- Protective equipment for the driver, two torches and two reflective waistcoats.
- Suitable absorbent materials.
Type EX/III vehicles shall:
- Be closed units only.
- Be fitted with a flame-retardant sheet overlapping the sides by at least 20 cm.
- Have the same structural elements (engine, exhaust system, fuel tank) as the EX/II vehicles.
It is the driver’s responsibility to check the consignments:
- Whether the consignments are split into solid and liquid materials.
- That all packages have stickers with handling marks.
- That they bear the name of the material as given in the transport document.
Warning stickers should be affixed to consignments of explosives:
- By the sender.
- By the driver.
- By the technologist who manufactured the material.
The written instructions to the driver carrying Class 1 material should provide the following practical information:
- Description of the rescue operations to be carried out by the chemical emergency services.
- Indications for giving first aid to a person injured in an accident.
- Indications as to which documents should be filled in by the driver after the accident.
How can explosives and objects be transported?
- In units.
- If they are in liquid state, they may be transported in small tanks.
- In consignments and in bulk.
Regarding passengers during hazardous materials transport:
- Passengers are allowed if the company’s insurance covers them.
- Passengers are never allowed except when they are suitably trained members of the vehicle Crew.
- Passengers are permitted at the driver’s discretion
Duration of validity for a Driver’s Training Certificate:
- One year
- Three years
- Five years
- Lifetime
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