Questions and Answers
What do bridge formulas permit?
Containerized loads are generally used for what purpose?
How long do you wait after drinking alcohol before driving?
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After a pre-trip inspection, how far should you inspect cargo?
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How far ahead should drivers look?
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Define Gross Vehicle Weight (GVW).
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How far ahead should you look in town?
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How long will you lose your CDL if convicted of a second DUI?
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How long does it take a typical tractor trailer to clear a single railroad track?
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For a second violation of an out of service order in 10 years, how long will you lose your CDL?
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How close must the vehicle be from the simulated dock in the 'backing into alley dock' maneuver during your skills test?
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Flags or lights are required on projecting loads that extend how far?
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How does 'bleeding tar' affect the road surface and driving conditions?
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How do you recover from a drive wheel braking skid?
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During a seven-step inspection, checking the engine compartment does NOT include checking what?
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If you are driving a 30-foot vehicle at 55 mph, how much following distance should you leave?
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If you are convicted of a first DUI, what will happen to your driving privilege?
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If you are stopped at a rest area and found to have a BAC of 0.02, what will happen?
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How many leaves can be broken in any leaf spring before your vehicle is put out of service?
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If convicted of railroad grade crossing violations twice within a 3-year period, what will you receive?
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If you do not have enough weight on the front axle, what may happen?
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Study Notes
Bridge Formulas
- Bridge formulas allow for less maximum axle weight for closely spaced axles.
Containerized Loads
- Containerized loads are primarily for freight transported partially by rail or ship.
Alcohol Consumption and Driving
- A waiting period of 4 hours after drinking alcohol is recommended before driving.
Cargo Inspection
- Cargo should be re-inspected 50 miles after the initial pre-trip inspection.
Looking Ahead While Driving
- Drivers should look 12-15 seconds ahead when driving.
- In urban areas, the recommended distance to look ahead is 1 block.
Gross Vehicle Weight (GVW)
- Gross Vehicle Weight is defined as the total weight of a vehicle and its load.
DUI Consequences
- A second DUI conviction results in a lifetime loss of the commercial driver's license (CDL).
- A first DUI conviction leads to a one-year revocation of driving privileges.
Railroad Crossing Safety
- A typical tractor-trailer takes 14 seconds to clear a single railroad track and over 15 seconds for a double track.
- Two railroad grade crossing violations within three years incur a 120-day disqualification of the CDL.
Out of Service Violations
- A second violation of an out-of-service order in a 10-year span results in at least a 1-year CDL suspension.
Backing Maneuvers
- During the "backing into alley dock" maneuver, the vehicle must be no more than 36 inches from the simulated dock.
Load Regulations
- Flags or lights are required on loads extending 4 or more feet beyond the vehicle's rear.
Road Conditions
- "Bleeding tar" refers to tar surfacing that becomes slippery in hot weather, affecting driving safety.
Skid Recovery
- To recover from a drive wheel braking skid, stop braking and counter-steer.
Engine Compartment Checks
- Checking the engine compartment during a seven-step inspection does not include evaluating the oil pressure gauge.
Following Distance
- A vehicle measuring 30 feet should maintain a 4-second following distance when traveling at 55 mph.
BAC Regulations
- A blood alcohol concentration (BAC) of 0.02 while stopped at a rest area results in a 24-hour out-of-service period.
Leaf Spring Condition
- If one-fourth of any leaf spring is broken, the vehicle must be put out of service.
Front Axle Weight
- Insufficient weight on the front axle can result in steering difficulties.
Studying That Suits You
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Description
Test your knowledge on commercial driver's license (CDL) concepts with these flashcards. Covering topics like axle weight regulations, containerized loads, and inspection protocols, this quiz is essential for CDL aspirants. Prepare effectively for your driving exam with these handy definitions.
