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TEXAS CDL GENERAL KNOWLEDGE
TEST BANK 2024 TEXAS CDL CDL
GENERAL KNOWLEDGE CDL-GENERAL
KNOWLEDGE | 700+ QUESTIONS AND
CORRECT ANSWERS | ALREADY
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Which of the following vehicles is required by State law to carry a chemical type fire extinguisher? -------CORRECT ANSWER----------------taxicab. It is unlawful to operate any motor vehicle on a highway with: ------- CORRECT ANSWER----------------flanges or lugs on the wheels. The greatest length allowed by State law for a single motor vehicle other than a truck tractor is: -------CORRECT ANSWER----------------45 feet. To operate on the highway a motor vehicle or trailer having metal tires and weighing 5,000 pounds or more, you must: -------CORRECT ANSWER------ ----------get a special permit from the Highway Department. The lease agreement, when a commercial motor vehicle has been leased to another for operation, must be filed with: -------CORRECT ANSWER------ ----------the County Clerk.
Which of the following motor vehicles must stop at all railroad grade crossings outside a business or residential district? -------CORRECT ANSWER----------------motor bus. Clearance lamps mounted on the rear or on the side near the rear of a vehicle must be what color? -------CORRECT ANSWER----------------red. No combination of vehicles, other than a truck tractor-trailer combination, may exceed: - ------CORRECT ANSWER----------------65 feet. When backing a large truck: -------CORRECT ANSWER----------------have someone guide you. The top speed limit for heavy trucks on designated rural interstates at night is: -------CORRECT ANSWER----------------65 mph. The greatest height ordinarily allowed by State law for a vehicle including its load is: -------CORRECT ANSWER----------------14 feet. The top speed limit for a taxicab on numbered U.S. or State highways in the daytime is: -------CORRECT ANSWER----------------70 mph. Before going down a steep grade with a commercial vehicle you should: ---- ---CORRECT ANSWER----------------shift to a lower grade.
When one truck is following another truck or vehicle, it must keep far enough back for: -------CORRECT ANSWER----------------one vehicle to enter safely between them. The load on a truck may not extend over the rear of the vehicle more than: -------CORRECT ANSWER----------------four feet. When one vehicle is towing another, the distance between the two must not be greater than: -------CORRECT ANSWER----------------15 feet. Every farm tractor manufactured after January 1, 1972 complies with State lighting laws by: -------CORRECT ANSWER----------------having two head lamps. A slow-moving vehicle emblem must be displayed only by: -------CORRECT ANSWER----------------vehicles designed to be operated at speeds of 25 mph or less. The top speed limit for motor buses on Rural Interstate highways at night is: -------CORRECT ANSWER----------------65 mph. The greatest length ordinarily allowed by State law for a single motor vehicle other than a truck tractor is: -------CORRECT ANSWER---------------- 45 feet.
Clearance lights are required by State law for trucks or buses if the width is: -------CORRECT ANSWER----------------80 inches or more. Brakes are not required on trailers until the gross weight exceeds: ------- CORRECT ANSWER----------------4,500 pounds. Which one of the following vehicles is required by State law to carry a chemical type fire extinguisher? -------CORRECT ANSWER---------------- taxicab. Which of the following vehicles are not required to have mud flaps? ------- CORRECT ANSWER----------------pole trailers. The greatest length ordinarily allowed by State law for a single motor vehicle other than a truck tractor is: -------CORRECT ANSWER---------------- 45 feet. The lease agreement, when required, must be filled with: -------CORRECT ANSWER----------------the County Clerk. Registration papers are required to be in the possession of the driver or on the vehicle when operating: -------CORRECT ANSWER----------------a commercial vehicle.
Which lights should you apply while parked at night? -------CORRECT ANSWER----------------Hazard Lights T/F: Unloaded trucks may take longer to stop than fully loaded trucks. This is not always the case with buses. -------CORRECT ANSWER---------------- True If stopped on a curve and curve blocks view of hazard flares or reflectors, what should you do? -------CORRECT ANSWER----------------Move them as far back as needed to be visible. 4/32 on front tires -------CORRECT ANSWER---------------- When accelerating after parked on an incline, you should...? ------- CORRECT ANSWER----------------Keep emergency brake engaged, while accelerating, until clutch is engaged. When driving at slow speeds how far ahead should you observe? ------- CORRECT ANSWER----------------1 block Perception Distance -------CORRECT ANSWER----------------Time you see hazard to time the brain recognizes it. tunnels -------CORRECT ANSWER----------------may encounter strong crosswinds upon exiting.
When driving through construction zones, you should -------CORRECT ANSWER----------------Watch for sharp pavement drop-offs The color of clearance lamps on the front of a vehicle must be: ------- CORRECT ANSWER----------------amber : ) When backing up a large truck you should: -------CORRECT ANSWER------ ----------have someone guide you. Every trailer must have how many reflectors on the rear? -------CORRECT ANSWER----------------three When turning right with a long vehicle or combination truck-trailer, if it is impossible to stay in the proper lane, you should: -------CORRECT ANSWER----------------approach the corner about 4 feet away from the curb or right edge of the roadway, then if necessary complete turn in center of street entered. Turn signal indicators are required on all motor vehicles manufactured after the model year: -------CORRECT ANSWER----------------1959. No combination of vehicles other than a truck tractor-trailer combination may exceed: -------CORRECT ANSWER----------------65 feet.
A slow-moving vehicle emblem must be displayed only by: -------CORRECT ANSWER----------------vehicles designed to be operated at speeds of 25 mph or less. Which of the following vehicles are not required to have mud flaps? ------- CORRECT ANSWER----------------pole trailers. The height from the ground for mounted reflectors must be at least: ------- CORRECT ANSWER----------------24 inches. The greatest width ordinarily allowed by State law for a truck including its load is: -------CORRECT ANSWER----------------102 inches (8-1/2 feet) Registration papers are required to be in the possession of the driver or on the vehicle when operating: -------CORRECT ANSWER----------------all trucks. No passenger vehicle may be coupled with more than: -------CORRECT ANSWER----------------one trailer. When mud flaps are required on trucks or trailers, they must reach how close to the surface of the highway? -------CORRECT ANSWER---------------
- 8 inches. Every bus or truck manufactured after model year 1959 must be equipped on the rear with: -------CORRECT ANSWER----------------two stoplights.
The greatest weight allowed by State law for any vehicle including the load is: -------CORRECT ANSWER----------------80,000 pounds. The maximum number of trailers that may be towed by one vehicle is: ------- CORRECT ANSWER----------------two. Which of the following vehicles must have mud flaps when operated on public roads? -------CORRECT ANSWER----------------all vehicles with four or more tires on the rear axle except single truck tractors and pole trailers. The top speed limit for heavy trucks on designated rural interstates in the daytime is: -------CORRECT ANSWER---------------- 70 mph. Clearance lights on the front of a vehicle must be: -------CORRECT ANSWER----------------amber. When a truck breaks down on the highway in the daytime the driver should set out: -------CORRECT ANSWER----------------three red reflectors. The greatest width allowed by State law for a truck including the load is: ---- ---CORRECT ANSWER----------------102 inches (8-1/2 feet).
Every farm tractor manufactured after January 1, 1972 complies with State lighting laws by: -------CORRECT ANSWER----------------having two head lamps. To find out the details about registering your particular vehicle you should consult: -------CORRECT ANSWER----------------tax collector and assessor. One purpose of requiring registration papers on trucks at all times is to show: -------CORRECT ANSWER----------------weight of the truck empty and how much it is registered to haul. Clearance lights are required by State law for trucks or buses if the width is: -------CORRECT ANSWER----------------80 inches or more. When a load extends more than four feet over the rear of a vehicle, what color flag must be attached to the extreme end of the extension if driving in the daytime? -------CORRECT ANSWER----------------red. Lease agreements, when required, must be filed with: -------CORRECT ANSWER----------------the County Clerk. The greatest height ordinarily allowed by State law for a vehicle including its load is: -------CORRECT ANSWER----------------14 feet. When it is necessary to place flares around a truck on a two-way road with a clear view, one must be placed beside the truck, the other two must be
place: -------CORRECT ANSWER----------------100 feet to the front and rear of the vehicle. When towing another vehicle with a chain or cable, what color flag must be attached to the chain or cable? -------CORRECT ANSWER---------------- white. Unless exempt by law, all rented or leased commercial vehicles must: ------- CORRECT ANSWER----------------have a sign on each side showing for whom the vehicle is being operated. The speed limit for a pickup truck with a manufacturer's rated carrying capacity of 2,000 pounds or less on U.S. or State highways in the daytime is: -------CORRECT ANSWER----------------70 mph. When going downhill with a commercial vehicle, it is unlawful to: ------- CORRECT ANSWER----------------coast. The first thing the driver of a disabled truck or bus should do is: ------- CORRECT ANSWER----------------set out flares, reflectors, or flags. To haul a load or move equipment that is wider, heavier, or longer than the law permits, you must: -------CORRECT ANSWER----------------obtain a permit from the Highway Department.
When Driving at night you should -------CORRECT ANSWER---------------- adjust your vehicle speed so as to keep your stopping distance within your sight distance While driving you're looking ahead of your vehicle. What's the best way to do that? -------CORRECT ANSWER----------------Look back and forth, and near and far According to the CDL manual, why should you limit the use of your vehicle horn? -------CORRECT ANSWER----------------it may startle other drivers If you break down on a level, straight, four-lane, divided highway, Where should you place the reflective emergency triangles -------CORRECT ANSWER----------------One 10 ft from rear of vehicle, One 100 ft from rear of vehicle,and one about 200 ft from rear of vehicle Bridge Formulas are designed to -------CORRECT ANSWER---------------- permit less maximum axle weight for axles that are closer together If you drive through heavy rain or standing water, your brakes may get wet. What can this cause to happen when you apply the brakes ------- CORRECT ANSWER----------------lack of braking power, wheel lockups pulling to one side or the other and Trailer Jacknife Statistics prove that most serious skids are a result of -------CORRECT ANSWER----------------Driving too fast for conditions
Which of the following should you NOT do -------CORRECT ANSWER------- ---------Flash your brakes if someone is following too closely Controlled braking is -------CORRECT ANSWER----------------applying firm brake pressure, but not to the point of lock up Stab Braking is Not used on vehicles -------CORRECT ANSWER-------------- --With Anti Lock brakes What three factors add up to the total stopping distance for a commercial motor vehicle without air brakes -------CORRECT ANSWER---------------- Perception Distance, Reaction Distance and Braking Distance Your driving on a straight and level roadway at 60 mph and suddenly a tire blows out on your vehicle what should you do first -------CORRECT ANSWER----------------Grip the steering wheel firmly with both hands and stay off the brakes until the vehicle has slowed down When traveling down a long downgrade you should always ------- CORRECT ANSWER----------------use the braking effect of the engine Which of the following statements about backing a commercial motor vehicle is to a dock is Not true -------CORRECT ANSWER----------------Since you cant see behind you, you should back slowly until you bump the dock
Which of the following is true concerning cold weather driving? ------- CORRECT ANSWER----------------you should use windshield washer fluid which contains anifreeze you're traveling down a long grade and you notice your breaks are not working as well as they had been you should -------CORRECT ANSWER---- ------------stop as quickly as you can why do the hazardous materials regulations exist -------CORRECT ANSWER----------------to provide for safe drivers and equipment, to communicate a risk and to contain the product Water will extinguish which of the following fires? -------CORRECT ANSWER----------------tire Which of the following happens when a tire blows at highway speed? ------- CORRECT ANSWER----------------you will feel a vibration Which of the following is true about tire pressure? -------CORRECT ANSWER----------------As temperature increases so does air pressure in the tires When fighting a fire, Which is most correct? -------CORRECT ANSWER----- -----------Aim the fire extinguisher at the base of the fire
Over the counter medication used to treat the common cold ------- CORRECT ANSWER----------------often can make you sleepy and should not be used while driving Which of the following conditions may produce a skid? -------CORRECT ANSWER----------------Driving too fast for conditions, over-braking, over- steering What is the purpose of a pre trip inspection? -------CORRECT ANSWER---- ------------to make sure the vehicle is safe to operate Your vehicle is 40 ft long and you are traveling at 50 mph the safe following distance is -------CORRECT ANSWER----------------5 seconds Which of the following statements about causes of vehicle fires is true? ----- --CORRECT ANSWER----------------Poor trailer ventilation can cause cargo to catch fire Convex mirrors will: -------CORRECT ANSWER----------------Show a wider area than flat mirrors After you start your engine which of the following should occur? ------- CORRECT ANSWER----------------The water temperature will indicate a gradual rise to normal operating temperature
