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LGV / HGV theory and hazard perception knowledge practice test

168 free practice questions for this exam, each with the reason for the answer and where to look it up.

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LGV theory and Driver CPC (UK): practice test

10 questions, graded as you go, with the reason for every answer. No sign-up.

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About the exam

Exam
LGV / HGV theory and hazard perception knowledge
Who runs it
DVSA
Where
United Kingdom

Question count, time limit and pass mark differ by where you take it. Check the official candidate bulletin from the organisation that runs your exam.

Sample questions

The low air pressure warning buzzer sounds while driving. What should the driver do?

  1. Continue slowly to the depot
  2. Pump the brake pedal to build air
  3. Stop safely as soon as possible
  4. Switch to the exhaust brake only
Show the answer

C. Stop safely as soon as possible

Low pressure means the brakes may soon be ineffective or may apply by themselves, so the driver should stop in a safe place and have the fault found. Pumping the pedal uses up the air that remains.

Reference: DVSA Official Guide to Driving Goods Vehicles, braking systems

A driver's walkaround check finds no faults. What does good practice require for the record?

  1. A 'nil defect' report is recorded
  2. Nothing needs to be recorded
  3. The operator is phoned to confirm
  4. The previous day's sheet is re-used
Show the answer

A. A 'nil defect' report is recorded

Recording 'nil' defects shows that the check was actually carried out and gives the operator an audit trail. An absence of paperwork cannot prove the vehicle was checked.

Reference: DVSA Guide to maintaining roadworthiness

A driver wants to split the 45-minute break. Which split meets the assimilated EU rules?

  1. 30 minutes, then 15 minutes later
  2. 15 minutes, then 30 minutes later
  3. Three breaks of 15 minutes each
  4. 20 minutes, then 25 minutes later
Show the answer

B. 15 minutes, then 30 minutes later

A split break must be a first part of at least 15 minutes followed by a second part of at least 30 minutes, in that order. Taking 30 then 15 adds up to 45 minutes but is the wrong way round, so the second part does not qualify.

Reference: Assimilated Regulation (EC) 561/2006, Article 7

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