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A comprehensive set of questions and answers related to texas commercial driving rules. It covers various aspects of commercial vehicle operation, including safety regulations, weight limits, equipment requirements, and speed limits. A valuable resource for individuals preparing for their commercial driver's license (cdl) exam in texas.
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The color of clearance lamps on the front of the vehicle must be? - ✔✔Amber When backing up a large truck, you should? - ✔✔Have someone guide you Every trailer must have how many reflectors on the rear? - ✔✔Two When turning right with a long vehicle or combination truck-trailer, if it is impossible to stay in the proper lane, you should? - ✔✔Approach the corner about 4 feet from the curb or right edge of the roadway, then if necessary, complete turn in center of street entered. Motor vehicles must be equipped with turn indicator lamps of devices if: - ✔✔The body or load exceeds 24 inches or more to the left of the corner. The greatest length allowed by state law for any combination truck or trailer is: - ✔✔65 feet The youngest age for licensing commercial operators is: - ✔✔ 18 All school busses, busses, taxis, and other vehicles hauling passengers for hire or lease must carry a chemical type fire extinguisher of at least: - ✔✔One court capacity Every bus or truck must be equipped on the rear with: - ✔✔Two stop lights The number of trailers that may be pulled by one vehicle on the open highway is determined by: - ✔✔Length limits Which of the following vehicles must have mud flaps when operated on public roads? - ✔✔All vehicles with four or more tires on the rear axle except single truck trailers or pole trailers.
The top speed limit for heavy trucks on the open highway in the daytime is: - ✔✔60 MPH When a truck breaks down on the highway in the daytime the driver should set out: - ✔✔Red triangles The greatest width allowed by state law for a truck including the load is: - ✔✔102 inches (8 1/2 feet) Which of the following vehicles are required by state law to stop at railroad crossings, outside city limits where no traffic control device is in operation? - ✔✔Buses carrying passengers for hire. Signal turn indicators are required on motor vehicles when the body or load of the vehicle extends to the left of the center of the steering wheel - ✔✔24 inches The length requirements for state law for vehicles or combinations of vehicles, including extensions over front and rear do not apply: - ✔✔Within city limits The state law requires under normal atmospheric conditions that clearance lights be visible for: - ✔✔ 900 feet When one vehicles is towing another, the distance between the two must not be greater than: - ✔✔ 15 feet The state law requires animal drawn vehicles or any farm tractor when operated on a highway at night to
It is unlawful to operate any motor vehicle on a highway with - ✔✔Flanges or lugs on wheels It is unlawful for the operator of which of the following motor vehicles to change gears while actually crossing the tracks of an uncontrolled railroad grade crossing? - ✔✔Motor bus Clearance lamps mounted on the rear or on the side near the rear of a vehicle must be what color? - ✔✔Red The top speed limit for heavy trucks on the open highway at night is: - ✔✔55 mph The greatest height allowed by state law for a vehicle including its load is - ✔✔14 feet Before going down a steep grade with a heavy vehicle you should: - ✔✔Shift to a lower gear When one truck is following another truck or vehicle it must keep far enough back for: - ✔✔One vehicle to enter safely between them. The greatest weight allowed by state law for any vehicle carrying a load is: - ✔✔80,000 pounds To legally drive a taxicab for the purpose of hauling passengers for hire or fare, the driver must hold a chauffeurs license and be at least: - ✔✔18 years of age Commercial operators have: - ✔✔More than one responsibility than the ordinary driver. The top speed for motor busses on U.S. or state highways at night is: - ✔✔65 mph Hazard warning lights must be immediately activated by any truck, bus, or truck-trailer, trailer, semi- trailer or pole trailer if it is parked upon a roadway or shoulder if a vehicle is: - ✔✔80 inches more in width or 30 feet or more in overall length.
Which of the following vehicles are not required to have mud flaps? - ✔✔Pole trailers The greatest length allowed by state law for a single vehicle is? - ✔✔45 feet Drivers of heavy trucks must have in their possession or on the truck: - ✔✔A commercial or chauffeurs license and registration papers for the truck. When the mud flaps are required on trucks or trailers they must reach how close to the surface? - ✔✔ 8 inches Unless by special permission, no vehicle may carry a load extending more than: - ✔✔3 feet beyond the front Vehicles and trailers with metal tires must obtain a special permit if they weigh: - ✔✔5000 pounds Unless by special permission, no vehicle may carry a load extending more than - ✔✔4 feet beyond the rear. When transporting loose materials the top of the load must be covered securely to prevent escape of materials by: - ✔✔Canvas or tarpulin When operated in a truck tractor and semi-trailer combination may not exceed: - ✔✔59 feet This emblem is now a requirement for those slow moving vehicles designed to operate at a max speed of: - ✔✔25 mph or less In addition to hazard warning lights, every farm tractor and self propelled unit of farm equipment or implement manufactured or assembled after January 1st 1972 shall be equipped with: - ✔✔Two head lamps One tail light and two red reflectors
In bad weather, increase your following distance to: - ✔✔6 to 8 seconds If the load you are hauling is ________ than allowed by law, you are required to obtain a special permit from the Texas Department of Transportation. - ✔✔Heavier, longer, wider, or higher. A semi-trailer may not exceed a length of _____ feet when operated in a truck tractor, semi-trailer, and trailer combination. - ✔✔ 28 - 1/ When lighted lamps are not required, what must be used as indicators (instead of flares, lights, or reflectors)? - ✔✔Two red flags