Nevada CDL Practice Test 2026

Practice question bank

Sample questions

1. The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:

   • 10 B:C. ✓
   • 30 B:C.
   • 40 B:C.

   Vehicle Equipment & Safe Operation · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 9 – Hazardous Materials, p. 126

2. Regulations relating to hazardous materials are intended to protect:

   • You.
   • Those around you.
   • The environment.
   • All of the above. ✓

   General Driving Knowledge · Answer: D · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 9 – Hazardous Materials, p. 113

3. On trucks and buses, where are ABS malfunction lamps located?

   • On the driver’s door
   • On the instrument panel ✓
   • On the outside of the vehicle by the passenger’s door
   • Under the hood

   Sharing the Road · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 5 – Air Brakes, p. 84

4. Hydroplaning:

   • Only occurs at extremely high speeds.
   • Can occur at speeds as low as 30 mph. ✓
   • Happens most frequently when tire pressure is too high.

   Bad Weather & Night Driving · Answer: B · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 2 – Driving Safely, p. 42

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