Free Nevada CDL Practice Test — Updated for 2025

Getting your Commercial Driver’s License in Nevada starts with the written knowledge tests. This page gives you free, simple Nevada CDL practice tests for all key sections: General Knowledge, Air Brakes, Combination Vehicles, Hazmat, Passenger, School Bus, Tankers, and Doubles/Triples. You’ll see one question at a time. Each question shows instant right/wrong feedback with a short explanation.

Nevada CDL at a Glance (Plain-English Summary)

  • Age:
    18+ for intrastate, 21+ for interstate, passenger, or hazmat
  • license :
    Must hold a valid Nevada driver’s license with a clean record.
  • Medical card:
    Required for most CDL drivers (DOT physical)
  • Knowledge tests → CLP:
    Pass all written exams for your class and endorsements to get your Commercial Learner’s Permit (CLP).
  • Skills test:
    After 14 days, with your CLP, complete the pre-trip, control, and road tests.
  • ELDT:
    Federal Entry-Level Driver Training applies to new Class A/B and H/P/S applicants before the skills test.
  • Hazmat:
    Requires a TSA background check and written exam.
  • Where to test:
    Testing handled by the Nevada Department of Motor Vehicles (DMV) and approved third parties.
  • Tip:
    Always verify the latest steps, fees, and forms with the Montana MVD before scheduling.

What’s on the Nevada CDL Knowledge Tests

General Knowledge

— safe driving, inspection, cargo rules, emergencies, and weather driving

Air Brakes

— brake system, warning signals, stopping distance, and maintenance.

Combination Vehicles

— coupling, jackknife prevention, and inspection.

Hazmat (H)

— hazard classes, placards, parking rules, and emergency response.

Passenger (P) & School Bus (S)

— safe boarding, emergencies, and evacuation.

Tankers (N)

— liquid movement, surge control, and rollover prevention.

Doubles/Triples (T)

— converter dollies, trailer control, and coupling checks.

Pre-Trip

— inspection of major vehicle systems.

Required for All CDL Drivers

These tests are mandatory for all Commercial Driver's License applicants

About General Knowledge Tests

Basic rules, regulations, and safe driving practices for commercial vehicles

General Knowledge Test 1

Basic CDL knowledge and traffic laws

📝 50 Questions 🎯 80% to pass
Start Test

General Knowledge Test 2

Vehicle safety and inspection procedures

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 3

Driving techniques and hazard awareness

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 4

Transportation of cargo and passengers

📝 50 Questions 🎯 80% to pass
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General Knowledge Test 5

Emergency procedures and vehicle maintenance

📝 50 Questions 🎯 80% to pass
Start Test

General Knowledge Test 6

Final comprehensive review test

📝 50 Questions 🎯 80% to pass
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About Air Brakes Tests

Air brake systems, inspection, and operation procedures

Air Brakes Test 1

Basic air brake system components and operation

📝 25 Questions 🎯 80% to pass
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Air Brakes Test 2

Air brake inspection and testing procedures

📝 25 Questions 🎯 80% to pass
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Air Brakes Test 3

Emergency procedures and troubleshooting

📝 25 Questions 🎯 80% to pass
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Air Brakes Test 4

Advanced air brake systems and safety

📝 25 Questions 🎯 80% to pass
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About Pre-Trip Inspection Tests

Vehicle inspection procedures and safety checks

Pre-Trip Inspection Test 1

Engine compartment and cab inspection

📝 20 Questions 🎯 80% to pass
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Pre-Trip Inspection Test 2

Exterior vehicle inspection

📝 20 Questions 🎯 80% to pass
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Pre-Trip Inspection Test 3

Trailer and coupling system inspection

📝 20 Questions 🎯 80% to pass
Start Test

Endorsement Tests

Additional certifications for specialized commercial driving

About Combination Vehicles Tests

Tractor-trailers, truck and trailer combinations

Combination Vehicles Test 1

Coupling and uncoupling procedures

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 2

Inspection of combination vehicles

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 3

Driving combination vehicles safely

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 4

Backing and maneuvering techniques

📝 20 Questions 🎯 80% to pass
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Combination Vehicles Test 5

Advanced combination vehicle operation

📝 20 Questions 🎯 80% to pass
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About Hazmat Tests

Hazardous materials transportation and safety

Hazmat Test 1

Hazmat classification and identification

📝 30 Questions 🎯 80% to pass
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Hazmat Test 2

Loading and handling procedures

📝 30 Questions 🎯 80% to pass
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Hazmat Test 3

Documentation and placarding

📝 30 Questions 🎯 80% to pass
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Hazmat Test 4

Emergency response and safety procedures

📝 30 Questions 🎯 80% to pass
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About Passenger Vehicles Tests

Buses and vehicles designed to transport passengers

Passenger Vehicle Test 1

Pre-trip inspection for passenger vehicles

📝 20 Questions 🎯 80% to pass
Start Test

Passenger Vehicle Test 2

Loading and unloading passengers

📝 20 Questions 🎯 80% to pass
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Passenger Vehicle Test 3

Passenger safety and emergency procedures

📝 20 Questions 🎯 80% to pass
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Passenger Vehicle Test 4

Special situations and regulations

📝 20 Questions 🎯 80% to pass
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About School Bus Tests

School bus operation and student transportation safety

School Bus Test 1

Loading and unloading students

📝 20 Questions 🎯 80% to pass
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School Bus Test 2

Emergency exits and evacuation procedures

📝 20 Questions 🎯 80% to pass
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School Bus Test 3

Student management and safety

📝 20 Questions 🎯 80% to pass
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School Bus Test 4

Special hazards and situations

📝 20 Questions 🎯 80% to pass
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About Tanker Vehicles Tests

Liquid cargo transportation and tank vehicle operation

Tanker Vehicle Test 1

Tanker vehicle inspection and safety

📝 20 Questions 🎯 80% to pass
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Tanker Vehicle Test 2

Driving techniques for liquid cargo

📝 20 Questions 🎯 80% to pass
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Tanker Vehicle Test 3

Loading, unloading, and emergency procedures

📝 20 Questions 🎯 80% to pass
Start Test
About Doubles/Triples Tests

Double and triple trailer combinations

Doubles/Triples Test 1

Coupling and inspection procedures

📝 20 Questions 🎯 80% to pass
Start Test

Doubles/Triples Test 2

Driving techniques and safety

📝 20 Questions 🎯 80% to pass
Start Test

Doubles/Triples Test 3

Emergency procedures and troubleshooting

📝 20 Questions 🎯 80% to pass
Start Test

FAQs — Nevada CDL

Additional certifications for specialized commercial driving

Q1- Who needs a CDL in Nevada?

Vehicles 26,001 lb+ GVWR, 16+ passengers, or hauling hazardous materials.

Q2- Minimum age?

18 intrastate, 21 interstate/hazmat/passenger.

Q3- Medical card?

Yes, required for most CDL drivers.

Q4- ELDT requirement?

Yes — applies to new Class A/B and H/P/S endorsements.

Q5- CLP holding period?

Minimum 14 days.

Q6- Testing authority?

Nevada DMV or third-party testers.

Q7- Passing score?

80% minimum.

Q8- Hazmat check?

TSA background check required.

Q9- Bring to test?

Driver’s license, CLP, medical card, ELDT proof, and test vehicle.