Questions and Answers
What is the color of the clearance lamps on the front of a vehicle?
When backing a large truck you should?
Have someone guide you
How many reflectors must every trailer have on the rear?
Two
When turning right with a long vehicle or truck-trailer, where should you approach the corner?
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Motor vehicles must have turn indicator lamps if?
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What is the greatest length allowed by state law for any combination truck or trailer?
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What is the youngest age for licensing commercial operators?
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What is the minimum capacity for a chemical type fire extinguisher that must be carried in school buses and other vehicles transporting passengers for hire?
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Every bus or truck must have how many stop lights on the rear?
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The number of trailers that may be pulled by one vehicle on the open highway is determined by?
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Which vehicles must have mud flaps when operated on public roads?
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What is the top speed limit for heavy trucks on the open highway in the daytime?
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Clearance lights on the front of a vehicle must be?
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What should a driver do when a truck breaks down on a highway in the daytime?
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What is the greatest width allowed by state law for a truck including the load?
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Which vehicles are required by state law to stop at railroad grade crossings when no traffic control device is in operation?
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Turn indicators are required on motor vehicles when the body or load extends how many inches to the left of the center of the steering wheel?
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The length requirements for vehicles, including extensions over front and rear do not apply?
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What is the visibility requirement for clearance lights under normal atmospheric conditions?
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When one vehicle is towing another, the distance between them must not be greater than?
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What must animal-drawn vehicles or farm tractors have when operated on a highway at night?
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To find out the weight limit for your particular vehicle, you should consult?
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A city or county employee driving a city or county owned commercial vehicle while on official duty is required to have?
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Clearance lights are required by state law for trucks or buses if the width is?
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What color flag must be attached to the extreme end of a load extending 4 feet or more over the rear of a vehicle if driving in the daytime?
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The lease agreement for a commercial vehicle leased to another for operation must be filed with?
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School bus drivers must be at least?
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When flares are necessary around a truck, one must be placed beside it, with the other two placed?
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What color flag must be attached to the chain when towing another vehicle?
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Unless exempt by law, all rented or leased commercial vehicles must?
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What is the top speed limit for a pickup truck on U.S. or state highways in the daytime?
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When going downhill with a heavy vehicle, it is unlawful to?
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The first thing the driver of a disabled truck or bus should do is?
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Trailers and semi-trailers must have brakes that can be applied by the driver when the gross weight reaches?
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Why are registration papers required for trucks at all times?
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Which vehicle is required by state law to carry a chemical type fire extinguisher?
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It is unlawful to operate any motor vehicle on a highway with?
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It is unlawful for the driver of which motor vehicle to change gears while crossing the tracks of an uncontrolled railroad grade crossing?
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What color must clearance lamps mounted on the rear or on the side near the rear of a vehicle be?
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What is the greatest length allowed by state law for any combination truck and trailer?
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What is the top speed limit for heavy trucks on the open highway at night?
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What is the greatest height allowed by state law for a vehicle including its load?
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Before going down a steep grade with a heavy vehicle you should?
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When one truck is following another, how far back must it keep?
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What is the greatest weight allowed by state law for any vehicle carrying a load?
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To legally drive a taxicab for hauling passengers for hire or fare, the driver must hold a chauffeur's license and be at least?
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Commercial operators have?
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What is the top speed limit for motor buses on U.S. or state highways at night?
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Clearance lights are required by law for trucks or buses if the width is?
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Hazard warning lights must be activated by a truck or bus when it is parked on a roadway if it is?
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Which of the following vehicles are not required to have mud flaps?
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The greatest length allowed by state law for a single vehicle is?
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Drivers of heavy trucks must have in their possession?
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The number of trailers that may ordinarily be pulled by one vehicle on the open highway is determined by?
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It is unlawful for the driver of which motor vehicle to change gears while crossing the tracks of an uncontrolled railroad grade crossing outside a business or residential district?
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When mud flaps are required on trucks or trailers, they must reach how close to the surface?
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What is the top speed for heavy trucks on the open highway during daylight?
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Unless by special permission, no vehicle may carry a load extending more than?
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Vehicles and trailers with metal tires must obtain a special permit if they weigh?
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Unless by special permission, no vehicle may carry a load extending more than?
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When transporting loose materials, the top of the load must be covered securely to prevent escape of materials by?
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When operating in a truck tractor and semi-trailer combination, the total length may not exceed?
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The emblem for those slow-moving vehicles designed to operate at a max speed of?
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In addition to hazard warning lights, every farm tractor and self-propelled unit of farm equipment manufactured after January 1, 1972 must have?
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You may be required to unload to the limit required by law if the gross weight of your vehicle exceeds the max gross weight allowed by law and a tolerance of?
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Trucks manufactured prior to 1960 are required to at least have?
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Every motor vehicle, trailer, semi-trailer, pole trailer, and combination of vehicles equipped with brakes must have a braking system arranged that brakes are engaged by?
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Surge or intra brake systems may be used on trailers and semi-trailers with a gross weight of?
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Generally, if the trailer and the combination weigh 3,000 pounds or less, the combination must be able to stop within how many feet when traveling at 20 mph?
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On vehicles requiring reflectors, these reflectors must be mounted not less than how many inches or more than?
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A vehicle in which explosives are hauled meets a requirement of state law if?
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What is the minimum height from the ground for mounted reflectors?
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Study Notes
Vehicle Requirements and Regulations
- Clearance lamps on the front of a vehicle must be amber.
- Every trailer requires two reflectors on the rear for visibility.
- Truck operators must have someone guide them when reversing large vehicles.
- Mud flaps are mandatory for all vehicles with four or more rear tires except single truck trailers or pole trailers.
Vehicle Specifications
- Maximum length allowed for a combination truck or trailer is 65 feet.
- Maximum width for trucks including loads is 102 inches (8 1/2 feet).
- Maximum height for vehicles, including loads, is 14 feet.
- Maximum weight allowed for vehicles carrying loads is 80,000 pounds.
- Distance between vehicles when towing should not exceed 15 feet.
Licensing and Age Requirements
- Minimum age for licensing commercial operators is 18 years.
- School bus drivers must also be at least 18 years of age.
- Taxicab operators need to hold a chauffeur’s license and be 18 or older.
Lighting and Signaling
- Motor vehicles must have turn indicator lamps if the body extends 24 inches left of the steering wheel’s center.
- Hazard warning lights must be activated by trucks, buses, or trailers parked on roadways if they are 80 inches wide or 30 feet long.
- Clearance lights must be visible for 900 feet under normal atmospheric conditions.
Safety and Incident Protocols
- In case of breakdowns during the day, drivers should set out red triangles to alert other road users.
- When towing another vehicle, a white flag must be attached to the towing chain.
- If a load extends 4 feet or more beyond the rear, a red flag must be attached during the day.
Operational Guidelines
- Heavy trucks are prohibited from coasting when going downhill.
- Before descending a steep grade, shift to a lower gear for control.
- Commercial operators hold more responsibilities than ordinary drivers regarding vehicle operation and compliance.
Special Regulations
- Vehicles or trailers with metal tires exceeding a weight of 5,000 pounds require special permits.
- Towed vehicles need to comply with reflector height regulations, which must be between 24 inches to 60 inches above the ground.
- Trucks manufactured before 1960 must have at least one tail light for safety.
Equipment Requirements
- All school buses, taxis, and vehicles for hire must carry a chemical fire extinguisher with at least a one-quart capacity.
- Emergency lighting must comply with standards, including having two headlamps and at least one tail light for farm machinery produced after January 1, 1972.
Load Management
- Materials transported in loose form must be securely covered to prevent spillage.
- The top speed for heavy trucks on open highways during the day is 60 mph, and at night, it drops to 55 mph.
- The speed limit for a pickup truck is 70 mph on U.S. or state highways in the daytime.
Reflector Information
- Vehicles are required to have reflectors mounted between 24 to 60 inches off the ground to ensure visibility to other drivers.
- Reflectors must be mounted such that they don’t obstruct the driver's line of sight.
Additional Notes
- When transporting explosives, a required red flag must be displayed on the rear of the vehicle.
- Vehicles extending beyond length limits are subject to specific state laws, which generally do not apply within city limits.
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Description
Test your knowledge on special requirements for the Texas CDL permit with these informative flashcards. This quiz covers crucial information about vehicle signals, backing techniques, and trailer regulations that every driver must know. Prepare effectively for your permit test with this comprehensive review.