Take UK LGV Theory Test (Driver CPC Part 1)

QUESTION 1 / 25

What is the minimum efficiency required for the service brake on an HGV at its annual test?

Choose one answer below.

A25%✓B43%✓C50%✓D60%✓

QUESTION 2 / 25

What is the function of the spring brake on an HGV?

Choose one answer below.

ATo provide additional speed✓BTo apply the parking brake using powerful springs when air pressure is released✓CTo assist with steering✓DTo support the suspension✓

QUESTION 3 / 25

What happens to the braking system if the air compressor fails on an HGV?

Choose one answer below.

ANothing — the brakes work without air✓BThe air pressure drops and eventually the spring brakes automatically apply, stopping the vehicle✓CThe vehicle speeds up✓DOnly the trailer brakes are affected✓

QUESTION 4 / 25

What is the purpose of the brake pressure warning indicator?

Choose one answer below.

ATo show when brakes are working perfectly✓BTo alert the driver when air pressure in the braking system drops below a safe level✓CTo indicate the brake pad thickness✓DTo show outside temperature✓

QUESTION 5 / 25

What is the function of the load sensing valve (LSV) in the braking system?

Choose one answer below.

ATo sense the temperature of the brakes✓BTo automatically adjust brake pressure based on the vehicle's load, preventing wheel lock on lightly loaded axles✓CTo count the number of brake applications✓DTo regulate the air compressor speed✓

QUESTION 6 / 25

How does an exhaust brake work on an HGV?

Choose one answer below.

AIt applies pressure to the exhaust pipe✓BIt restricts the exhaust flow, creating back-pressure that uses the engine as a retarder to slow the vehicle✓CIt releases exhaust gas onto the road surface for grip✓DIt increases exhaust emissions to slow down✓

QUESTION 7 / 25

What is the first thing a driver should check before coupling a tractor unit to a semi-trailer?

Choose one answer below.

AThat the radio is turned off✓BThat the trailer is on a firm, level surface with the parking brake applied and the landing gear supports it✓CThat the trailer doors are open✓DThat the trailer is fully loaded✓

QUESTION 8 / 25

After the 5th wheel has engaged with the trailer kingpin, what test must the driver perform?

Choose one answer below.

AA speed test✓BA pull test (tug test) — gently try to pull away with the trailer brakes applied to confirm the coupling is locked✓CA fuel economy test✓DA horn test✓

QUESTION 9 / 25

In what order should the air lines (susies) be connected when coupling?

Choose one answer below.

AIt does not matter which order✓BConnect the emergency (red) line first, then the service (yellow) line✓CConnect the service (yellow) line first, then the emergency (red) line✓DOnly one line needs connecting✓

QUESTION 10 / 25

What should a driver visually check on the 5th wheel after coupling?

Choose one answer below.

AOnly that the trailer is straight✓BThat the locking jaws are closed around the kingpin, the release handle is in the locked position, and there are no gaps✓CThat the 5th wheel is painted✓DOnly the 5th wheel grease✓

QUESTION 11 / 25

When must the trailer landing gear (legs) be fully raised after coupling?

Choose one answer below.

AThey can stay down during driving✓BAfter confirming the coupling is secure and before driving away✓COnly when loading the trailer✓DLanding gear is only used for uncoupling✓

QUESTION 12 / 25

What is the purpose of the trailer service line (yellow coupling)?

Choose one answer below.

ATo supply emergency air to the trailer✓BTo supply air pressure that operates the trailer service brakes when the driver presses the brake pedal✓CTo supply electricity to the trailer✓DTo provide air for the trailer tyres✓

QUESTION 13 / 25

What does 'ADR' stand for in relation to dangerous goods transport?

Choose one answer below.

AAccord Dangereux Routier — the European agreement on international carriage of dangerous goods by road✓BAdvanced Dangerous Regulations✓CApproved Driver Requirements✓DAuthorised Dangerous Road transport agreement✓

QUESTION 14 / 25

What are the nine UN classes of dangerous goods?

Choose one answer below.

AExplosives; Gases; Flammable liquids; Flammable solids; Oxidisers/organic peroxides; Toxic/infectious; Radioactive; Corrosives; Miscellaneous✓BChemicals; Gases; Fuels; Poisons; Explosives; Radioactive; Nuclear; Acids; Weapons✓CExplosives; Liquids; Solids; Gases; Organic; Inorganic; Hazardous; Toxic; Non-toxic✓DGases; Liquids; Solids; Powders; Metals; Plastics; Organics; Inorganics; Radioactive✓

QUESTION 15 / 25

What does an orange ADR hazard plate (Kemler plate) on a vehicle display?

Choose one answer below.

AThe hazard identification number (top) and the UN number (bottom) of the substance being carried✓BThe driver's ADR certificate number✓CThe vehicle's authorised load capacity✓DThe emergency contact number✓

QUESTION 16 / 25

What ADR certificate must a driver carry when transporting certain quantities of dangerous goods?

Choose one answer below.

AAn ADR vocational training certificate (also called an ADR licence)✓BA standard LGV licence endorsement✓CA Transport Manager's certificate✓DA HAZMAT employer declaration✓

QUESTION 17 / 25

What information must be included in the transport document (consignment note) for ADR goods?

Choose one answer below.

AUN number, proper shipping name, hazard class, packing group, total quantity, consignor/consignee details, and ADR declaration✓BJust the UN number and total weight✓COnly the hazard class and destination✓DThe driver's ADR certificate number and vehicle registration✓

QUESTION 18 / 25

What are 'written instructions' (Tremcards) that must be carried in ADR vehicle cabs?

Choose one answer below.

AEmergency response instructions in the driver's language describing the substance's hazards and actions to take in an emergency✓BThe driver's medical certificate✓CLoad securing instructions for hazardous cargo✓DThe vehicle maintenance log✓

QUESTION 19 / 25

Under GB domestic drivers' hours rules, what is the maximum daily driving time?

Choose one answer below.

A9 hours✓B10 hours✓C11 hours✓DNo specific limit — only daily duty time is restricted✓

QUESTION 20 / 25

What is the daily duty time limit under GB domestic drivers' hours rules?

Choose one answer below.

A9 hours✓B11 hours✓CNo specific daily duty limit applies✓D16 hours✓

QUESTION 21 / 25

Which vehicles are subject to EU drivers' hours rules in the UK?

Choose one answer below.

AOnly vehicles over 44 tonnes✓BVehicles over 3.5 tonnes GVW used for carriage of goods, and vehicles carrying more than 9 passengers✓COnly articulated vehicles✓DAll vehicles including cars✓

QUESTION 22 / 25

How can the 45-minute break after 4.5 hours of driving be split under EU rules?

Choose one answer below.

AInto any number of breaks totalling 45 minutes✓BInto two breaks: the first at least 15 minutes, the second at least 30 minutes, in that order✓CInto three 15-minute breaks✓DIt cannot be split✓

QUESTION 23 / 25

What happens if a driver takes a reduced weekly rest period?

Choose one answer below.

ANo compensation is needed✓BThe reduction must be compensated by an equivalent rest attached to another rest of at least 9 hours within the following 3 weeks✓CThe reduced rest can only be taken at home✓DReduced weekly rests are not permitted✓

QUESTION 24 / 25

What is the '12-day rule' for coach/bus drivers?

Choose one answer below.

ADrivers must rest for 12 days between trips✓BDrivers on a single international passenger service may postpone their weekly rest for up to 12 consecutive 24-hour periods✓CDrivers can work 12 hours per day✓DThe vehicle must be serviced every 12 days✓

QUESTION 25 / 25

In icy conditions, by how much can stopping distances for an LGV increase compared to dry roads?

Choose one answer below.

ATwo times✓BThree times✓CFive times✓DUp to ten times✓