Free California General Knowledge CDL Test 2025

Master the general knowledge with real California DMV questions and expert explanations

10 Questions

Access all practice questions

What is the General Knowledge Test?

The General Knowledge test is required for all CDL applicants. It covers basic commercial driving skills, vehicle inspection, safety procedures, and federal regulations. This is the foundation test that all CDL drivers must pass.

Test Details:

50 questions, 80% to pass, 60 minutes
Required for: All CDL classes (A, B, C)
Included in CDL permit fee ($98)

Career Opportunities:

Entry point for all CDL careers
Local delivery and distribution
Construction and utility work
Municipal and government positions

California General Knowledge Test Topics

🔍

Vehicle Inspection (12 questions)

• Pre-trip inspection procedures
• In-cab inspection items
• Engine compartment checks

🚛

Basic Control Skills (10 questions)

• Backing and parking techniques
• Space management
• Speed and distance judgment

⚠️

Safe Driving (10 questions)

• Following distance and speed management
• Night and weather driving
• Hazard awareness and response

📦

Transporting Cargo (8 questions)

• Weight distribution and securing cargo
• Load limits and weight restrictions
• Cargo documentation

🔧

Vehicle Systems (6 questions)

• Engine systems and maintenance
• Electrical and lighting systems
• Suspension and steering systems

📋

Regulations and Safety (4 questions)

• Hours of service regulations
• CDL requirements and restrictions
• Traffic laws and penalties

California General Knowledge Study Tips

1
Master the pre-trip inspection sequence thoroughly
2
Study hours of service regulations and logbook requirements
3
Practice weight and space management calculations
4
Learn all vehicle systems and warning signs
5
Study California Commercial Driver Handbook sections 1-3 completely
6
Review California-specific traffic laws and penalties

What to Expect on the Test

50

Questions

40

Correct to Pass

80%

Passing Score

Multiple choice format

Computer-based testing

60 minutes time limit

Immediate results

Frequently Asked Questions About California General Knowledge

What is the General Knowledge CDL test?

The General Knowledge test is required for all CDL applicants. It covers basic commercial driving skills, vehicle inspection, safety procedures, and federal regulations.