Practice question

If hydraulic brakes fail, a driver can reduce their speed by:

  1. Shifting into a higher gear.
  2. Shifting into a lower gear.
  3. Finding a hill.
  4. Letting the truck run out of gas.

Answer: B — Shifting into a lower gear.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Texas CDL Class B Knowledge Test 2 →