Podcast
Questions and Answers
Which of these is not a type of retarder?
Which of these is not a type of retarder?
- Pneumatic
- Robotic (correct)
- Hydraulic
- Electric
Laws and restrictions for trucks and buses are consistent across all regions.
Laws and restrictions for trucks and buses are consistent across all regions.
False (B)
What should you do when approaching a bridge on a two-way road?
What should you do when approaching a bridge on a two-way road?
Check the weight limit of the bridge.
Many heavy vehicle accidents occur between midnight and 6 AM.
Many heavy vehicle accidents occur between midnight and 6 AM.
What is true about the inspection of suspension components?
What is true about the inspection of suspension components?
Brake shoes should have oil, grease, or brake fluid on them.
Brake shoes should have oil, grease, or brake fluid on them.
Why may tourists be a hazard while driving?
Why may tourists be a hazard while driving?
What keeps an engine cool during hot weather driving?
What keeps an engine cool during hot weather driving?
Cargo inspections should be performed after every break while driving.
Cargo inspections should be performed after every break while driving.
What may happen if a vehicle is loaded with very little weight on the drive axle?
What may happen if a vehicle is loaded with very little weight on the drive axle?
If your vehicle catches fire while you are driving, what should you do?
If your vehicle catches fire while you are driving, what should you do?
When should turn signals be used?
When should turn signals be used?
When should you test your parking brake?
When should you test your parking brake?
Brake adjustments should be checked often.
Brake adjustments should be checked often.
You should adjust your mirrors before starting your trip.
You should adjust your mirrors before starting your trip.
By how much should you reduce your speed when driving on a snow-packed road?
By how much should you reduce your speed when driving on a snow-packed road?
What is true about the Bridge Formula?
What is true about the Bridge Formula?
You should allow enough hours to rest within hours of service.
You should allow enough hours to rest within hours of service.
Prescription drugs are allowed if a doctor says they will not affect driving ability.
Prescription drugs are allowed if a doctor says they will not affect driving ability.
If you do not hold on to the steering wheel with both hands, it can pull away from you.
If you do not hold on to the steering wheel with both hands, it can pull away from you.
When should a helper be used to back your vehicle?
When should a helper be used to back your vehicle?
You need both hands on the wheel to turn safely.
You need both hands on the wheel to turn safely.
What should be tested on the vehicle to stop?
What should be tested on the vehicle to stop?
The person drinking can control how fast his body absorbs alcohol.
The person drinking can control how fast his body absorbs alcohol.
Overweight, oversized loads require special permits.
Overweight, oversized loads require special permits.
The heavier a vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it.
The heavier a vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it.
What piece of emergency equipment should always be carried in your vehicle?
What piece of emergency equipment should always be carried in your vehicle?
What is the most important consideration while mountain driving?
What is the most important consideration while mountain driving?
Where must you keep the papers about hauling hazardous materials?
Where must you keep the papers about hauling hazardous materials?
You will be placed out of service for 24 hours if your blood alcohol concentration is at least:
You will be placed out of service for 24 hours if your blood alcohol concentration is at least:
What does emergency braking mean?
What does emergency braking mean?
How should you try to park your vehicle?
How should you try to park your vehicle?
The use of brakes on a downgrade adds to the braking effect of the engine.
The use of brakes on a downgrade adds to the braking effect of the engine.
What should the oil pressure gauge show after starting the engine?
What should the oil pressure gauge show after starting the engine?
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Study Notes
CDL Class A Exam Key Points
- Types of Retarders: Robotic is not considered a type of retarder.
- Law Regulations for Trucks and Buses: Laws and restrictions can vary significantly by location.
- Bridge Approach Safety: Always check the weight limit of a bridge when approaching.
- Accident Timing: Many heavy vehicle accidents occur between midnight and 6 AM.
- Suspension Inspection: Axle mounts must be secured and checked at all points on the vehicle frame and axles.
- Brake System Check: Brake shoes should be free of oil, grease, or brake fluid during inspections.
- Tourist Driving Hazards: Tourists can pose hazards by driving slowly, changing lanes unexpectedly, or stopping suddenly.
- Engine Cooling: Maintaining an adequate engine oil level is crucial for cooling in hot weather.
- Cargo Inspections: Cargo should be inspected after every break to ensure secure loading.
- Drive Axle Weight: Insufficient weight on the drive axle can result in poor traction.
- Vehicle Fire Response: If your vehicle catches fire while driving, pull over to an open area.
- Turn Signal Use: Use turn signals at least 100 feet prior to turning or changing lanes.
- Parking Brake Test: Test the parking brake while the vehicle is stationary.
- Brake Adjustments: Regularly check brake adjustments due to wear from frequent use.
- Mirror Adjustment: Adjust mirrors before starting the trip for optimal visibility.
- Speed on Snowy Roads: Reduce speed by half when driving on snow-packed roads.
- Bridge Formula: Limits maximum axle weight for closely spaced axles to manage road safety.
- Hours of Service: Ensure ample hours for rest to maintain driving safety.
- Drug Use and Driving: Prescription drugs are permissible if confirmed not to impair driving abilities.
- Steering Wheel Control: Both hands should be used on the wheel to prevent it from being pulled away.
- Backing Assistance: Always use a helper when backing the vehicle for safety.
- Signal While Turning: Continue signaling while turning to keep both hands on the wheel.
- Service Brake Testing: Test the service brakes on the vehicle to ensure efficacy.
- Alcohol Absorption Misconception: Individuals cannot control the speed at which alcohol is absorbed by the body.
- Oversized Loads: Require special permits for transportation due to regulations.
- Braking Mechanics: Heavier and faster-moving vehicles generate more heat, demanding greater brake performance.
- Emergency Equipment: Always carry warning devices to signal when parking a vehicle.
- Mountain Driving: Slow down for safety, particularly considering the vehicle's weight.
- Hazardous Materials Documentation: Keep papers for hazardous materials in the driver's door pouch.
- Blood Alcohol Concentration: A detectable amount can lead to a 24-hour out-of-service penalty.
- Emergency Braking: This refers to slowing the vehicle in response to hazards.
- Parking Strategy: Park in a way that allows for a forward pull when departing.
- Engine Brake Usage: Using brakes on a downgrade enhances the engine's braking effect.
- Oil Pressure Monitoring: The oil pressure gauge should indicate normal levels right after starting the engine.
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