CDL Learner's Permit Test Study Notes

Introduction

• Video for CDL prep test general knowledge.
• Covers 101 questions and answers.

Key Topics and Questions

Load and Cargo

• Sealed Load: Check the load is properly secured.
• Cargo Safety: Cargo must be properly secured to prevent loose cargo which can be hazardous.
• Tie Downs: Minimum of 2 tie downs for small cargo.
• Front-End Header Boards: Used to block forward movement of cargo.
• Load Inspection: Check after 25-50 miles, then every 3 hours or 150 miles.
• Cargo Weight: Ensure not exceeding gross weight and axle weight limits.

Emergency and Braking

• Emergency Braking: Wheels skidding leads to loss of control.
• Brake Fade Prevention: Select gear for safe speed on downgrades.
• Hydraulic Brake Test: Pump pedal and hold to check for leaks.
• Wet Brakes: Gently apply brakes while driving through water.
• Retarders: Reduce brake wear but can increase skidding risk.
• Escape Ramps: Used for runaway vehicles.
• Counter Steering: Turning back in the other direction after avoiding a traffic emergency.

Vehicle and Tire Maintenance

• Pre-trip Inspection: Check steering play, exhaust issues, steering column integrity.
• Tire Tread Depth: Minimum tread for steering tires is 4/32 inch.
• Tire Fires: Caused by under-inflated tires.
• Checking Tires: Monitor for signs of failure like fishtailing or thumping.

Driving Techniques and Safety

• Following Distance: Maintain at least 1 second per 10 feet of vehicle length under 40 mph.
• Turning and Signaling: Use turn signals at least 100 feet before turning.
• Night Driving: Drive within the range of your headlights.
• High Center of Gravity: Risk of rolling over at posted curve speed.
• Hydroplaning: Occurs when tires lose contact with the road.

Legal and Safety Regulations

• Federal Inspections: Inspectors can place vehicles out of service.
• BAC for Commercial Drivers: Considered intoxicated at 0.04 BAC.
• Safety Equipment: Emergency phone numbers, tire chains, charged fire extinguisher.
• Seat Belts: Wear any time in a moving vehicle.
• Hazardous Materials: Require proper placarding; only drive if no placards needed without endorsement.

Miscellaneous

• Weather Conditions: Get sleep if sleepy, use antifreeze in cold conditions.
• Work Zones: Use flashers/hazard lights, drive slowly.
• Backing Assistance: Agree on a stop signal with a helper.
• Parking: Position to pull forward when leaving.
• Accident Sites: Use warning devices to avoid further accidents.
• Vehicle Lighting: Not for stopping tailgaters.

Conclusion

• Cover comprehensive understanding of various CDL test topics.
• Emphasize safety, adherence to laws, and vehicle maintenance.