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What is the danger associated with applying the handbrake (parking brake) when the vehicle is moving?

  1. A.The engine will stall once the handbrake is applied at speed.
  2. B.The ABS could disconnect and cause the vehicle to skid.
  3. C.The wheels could lock and cause the vehicle to skid.
  4. D.There is no danger - the vehicle will not skid as the handbrake can be released quickly.
Show answer & explanation

Correct answer: C. The wheels could lock and cause the vehicle to skid.

Except in an emergency, the handbrake (parking brake) should never be used when the vehicle is moving. This practice is potentially dangerous, as the wheels could lock up and the vehicle could skid out of control. In addition there is no warning to following traffic from the brake lights.

This is an official-style question from the Control of Vehicle topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.

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