Questions and Answers
What must you have to operate a single vehicle with a GVWR of 26,001 lbs or more?
What is a recreational vehicle?
A motor home used exclusively for pleasure, without transporting cargo or passengers for profit.
What class of CDL is required for combination vehicles?
What class of CDL is for heavy straight vehicles?
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What class of CDL is for small vehicles?
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How old must you be to apply for a CDL?
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What is the illegal BAC while driving a CMV?
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You will use your CDL for one year if your BAC is higher than what?
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What are the conditions for a 24-hour suspension?
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Can you make a call while driving?
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Can you text while driving?
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Do you have to wear a safety belt at all times?
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What constitutes good tires?
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What is not prohibited on tires?
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What emergency equipment should the vehicle be equipped with?
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What should you check during a vehicle inspection?
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If you are transporting cargo, you must inspect the cargo within the first _____________ miles of a trip and every ____________ miles or every __________ hours (whichever comes first) to ensure it is secured.
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What are the safety rules for backing safely?
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What do retarders do?
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How far ahead should you look while driving?
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How should you shift your attention while driving?
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When should you check your mirrors?
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What should you do when parked on the side of the road?
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Stopping distance equals _____________ distance plus _____________ distance plus _____________ distance.
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What is perception distance?
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What is reaction distance?
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What is braking distance?
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What is total stopping distance?
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When you double your speed, the impact is ________ times greater and braking distance is ____________ times longer.
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When you triple your speed, the impact and braking distance is __________ greater.
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What is hydroplaning?
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How should you select speed on a downgrade?
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How much space should be in front of your vehicle?
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What should you do when stopping suddenly?
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What is the right-turning procedure?
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What should you do when turning left?
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What are signs of fatigue while driving?
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What are the low and high beams distances?
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When should you use high beams?
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What happens to air pressure with temperature?
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What is a passive crossing?
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What is an active crossing?
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What are advance warning signs?
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What do pavement markings indicate?
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What do cross buck signs require?
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What do flashing red light signals indicate?
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What should you do when gates are down at a railroad crossing?
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What is required for a full stop at railroad crossings?
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What should you avoid when crossing railroad tracks?
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What can get caught on raised crossings?
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What causes brake fading/failure?
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What should you do in an emergency to avoid an accident?
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What is controlled braking?
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What is stab braking?
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What causes brake failure?
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What is an antilock braking system (ABS)?
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What trucks must have ABS?
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When braking with ABS, how should you apply the brakes?
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What are the steps to follow after an accident?
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What are some causes of fire in vehicles?
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What are Class-O-Fires?
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What type of extinguisher is recommended for Class A fires?
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What are placards?
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What is the Gross Vehicle Weight Rating?
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What is the Gross Combination Weight Rating?
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Cargo should have at least one tie-down for each ________ feet of cargo. And there should be at least ________ tie-downs holding it.
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What are two reasons for covering cargo?
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What parts of the bus must be working?
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What should buses never carry?
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What is a standee line?
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What are prohibited practices while driving a bus?
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Study Notes
CDL Requirements
- A Commercial Driver's License (CDL) is necessary to operate:
- A single vehicle with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more.
- A combination vehicle with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, if the towed vehicle exceeds 10,000 pounds.
- A vehicle designed to transport 16 or more passengers, including the driver.
Vehicle Classifications
- Class A: For combination vehicles.
- Class B: For heavy straight vehicles with a GVWR of 26,001 pounds or more.
- Class C: For smaller vehicles that do not fall into the other classes.
License Application
- Minimum age to apply for a CDL is 18.
Blood Alcohol Concentration (BAC)
- Illegal BAC level while operating a Commercial Motor Vehicle (CMV) is 0.04%.
- Various violations may lead to a one-year suspension of the CDL, including driving with a BAC over 0.04% or leaving the scene of an accident.
Safety Regulations
- Use of handheld devices, including phone calls and texting while driving, is prohibited.
- Safety belts must be worn at all times during operation.
Vehicle Inspection Standards
- Check for:
- Tread depth (4/32 inch on front tires, 2/32 inch on others).
- No fabric showing through tires.
- Emergency equipment requirements include fire extinguishers and warning devices.
Cargo and Load Regulations
- Inspect cargo within the first 50 miles and every 150 miles or 3 hours thereafter to ensure it’s secured.
- Cargo must have a minimum of one tie-down for every 10 feet and at least two tie-downs total.
Distance and Speed Management
- Look ahead 12-15 seconds while driving; at lower speeds it's one block, and at higher speeds it's a quarter-mile.
- Maintain safe following distance: one second for every 10 feet of vehicle length below 40 mph; add one second if above 40 mph.
Turning and Backing Safety
- For right turns, turn slowly and avoid wide left turns to maintain safe clearance.
- For left turns, ensure the vehicle reaches the center of the intersection before making the turn.
Fatigue Awareness
- Key signs of driver fatigue include difficulty focusing, heavy eyelids, and drifting from the lane, which is a major cause of fatal accidents.
Brake Systems and Emergency Protocols
- Brake fade can occur from overheating; regular checks are essential.
- In emergencies, steer towards the right shoulder and use controlled or stab braking techniques to maintain control.
Fire Safety
- Common fire causes include spilled fuel, under-inflated tires, and electrical system shorts.
- Use appropriate fire extinguishers based on fire class: A for wood/paper, B for flammable liquids, and C for electrical fires.
Railroad Crossing Safety
- At a railroad crossing, full stops are required when driving a school bus or transporting hazardous materials.
- Must yield to trains at flashing red lights and gates.
Prohibited Practices for Bus Operation
- Do not refuel with passengers on board, and avoid distractions while driving.
- Certain hazardous materials are not allowed on buses, such as poison gas and radioactive materials.
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Description
Test your knowledge of the Colorado Commercial Driver's License (CDL) requirements. These flashcards cover essential definitions and regulations for operating heavy vehicles and recreational vehicles. Improve your understanding and prepare for your CDL exams with these handy study aids.