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- Examples include sixteen-passenger vans. It can be used as a valid form of identification. Study your state's CDL handbook. Sometimes it's hard to find the official source, so we've put together a list of the most recent official CDL handbooks for...
- Watch CDL videos. YouTube is a fantastic resource, especially for pre-trip inspection. Apply for a Commercial Driver's License CDL A Commercial Driver's License is required to drive commercial vehicles such as tractor trailers, semi-trucks, dump...
- No, we certainly did not forget about air brakes, combination vehicles, or hazardous materials! These topics are complex enough to deserve separate treatment. Just as states typically require you to pass specialized knowledge tests on those topics, we offer our own specialized practice tests on air brakes, combination vehicles, and hazardous materials. We recommend that you keep taking the test until you become fully comfortable with the subject matter and receive a score high enough to boost your confidence about your upcoming CDL exam.
- Questions on your official test will generally be true or false, fill in the blank, or multiple choice. See the following examples to get an idea of what you might encounter on your general knowledge CDL test. Answer: Safety for yourself and other road users. Question: What are some of the important parts in the steering system? Answer: tie rod, spindle, pitman arm Question: What is the correct number of red reflective triangles that you should carry? Answer: 3 Question: For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?
- Answer: So no one moves the vehicle while you are inspecting underneath it. Question: When stopped on a hill, what is the proper procedure to start moving without rolling back? Answer: Partly engage the clutch before you take your right foot off the brake. Question: When the road is slippery, retarders will help keep you from skidding. Answer: 12 to 15 seconds, at highway speeds it is about a quarter of a mile. Use the search application to connect with a CDL training school near you.
- CDL Class B. The law provides for limited exceptions, such as drivers who are operating a fire-fighting vehicle as a volunteer or paid firefighter and military personnel operating a vehicle as part of their military duties. In virtually all other cases, a driver operating a vehicle for commercial purposes or to transport paying passengers must have a CDL. Types of Texas Commercial Driver Licenses Texas issues three classes of CDLs, each of which entitles the driver to operate vehicles with certain specifications. Class A: Vehicles with a combined gross weight of at least 26, pounds, provided that the towed vehicle or trailer has a gross weight in excess of 10, pounds. Class B: A single vehicle having a gross weight of at least 26, pounds and with a trailer or towed vehicle that has a gross weight of less than 10, pounds. Class C: Drivers of vehicles designed to carry between 16 and 23 passengers, including the driver, or drivers of vehicles that transport hazardous materials that require placarding if the vehicle does not require a Class A or Class B license.
- Endorsements for Texas Commercial Driver Licenses Texas allows the holders of commercial driver licenses to have one or more of the following endorsements applied: S: Allows the driver to operate a school bus T: Allows the driver to tow a double or triple trailer N: Allows the driver to tow a tank trailer H: Allows the driver to haul hazardous materials X: Combines the N and H endorsements P: Allows the driver to operate a vehicle other than a school bus that transports passengers Restrictions for Texas Commercial Driver Licenses Texas issues only three types of restrictions for CDLs. M: Allows the driver to operate a commercial motor vehicle only within the state of Texas L: Driver cannot operate a vehicle with air brakes P: Driver can only operate a commercial vehicle if a licensed CDL holder is in the front seat of the vehicle while it is in operation Obtaining a Texas Commercial Driver License To obtain a CDL in Texas, individuals must show proof of identity and residency, meet certain qualifications, pass a written exam and pass a skills test.
- Those who hold a valid CDL issued by another state and who have a good driving record may be exempted from certain portions of the testing. Tests are given at selected Texas Department of Public Safety locations. It is a multiple-choice or matching format, but applicants must correctly answer at least 80 percent of the questions before being permitted to take the road test.
- Applicants should study the materials thoroughly, and it is recommended that they take online practice tests based on the Texas model before reporting to the DPS. The sheer volume of information from which tests may be drawn makes online study an efficient method of learning the material. Skills Test for Texas CDL After successfully completing the written test, applicants are eligible to take the skills test. The vehicle will be inspected for operational safety, such as checking the windshield wipers, lights and horn. The vehicle must have valid liability insurance, registration and licensing. The basic skills test includes the following maneuvers: Smooth, quick stop.
- Red reflectors on rear and amber reflectors elsewhere 3. Gently pull against the brake by releasing the clutch, and it should hold the vehicle. Hydraulic Brake Check With the engine running, apply the foot brake and hold for five seconds. The pedal should not move lose pressure during those five seconds. If equipped with a hydraulic brake reserve system, with the key in the off position, depress the brake pedal and listen for the sound of the reserve system electric motor turning on. Check that the warning buzzer and light is off. Check the proper operation of the foot brake by moving the vehicle forward slowly at about 5 mph and applying the brake firmly.
- Air Brake System Check For air brake equipped vehicles, the proper procedures for inspecting the air brake system are as follows: Test Air Leakage Rate Static check With a fully-charged air system, typically at psi, turn the engine off, chock the wheels, release push in the parking brake button and trailer air supply button for combination vehicles and time the air pressure drop. After the initial drop, the rate of pressure loss should not be more than 2 psi per minute for single vehicles and no more than 3 psi per minute for combination vehicles Test Air Brake System for Leaks Release push in the parking brake and trailer air supply button for combination vehicles , and apply pressure to the foot brake.
- After the initial drop in pressure, the rate of pressure loss should be no more than 3 psi per minute for single vehicles and no more than 4 psi per minute for combination vehicles. Rapidly depress and release the foot brake to reduce air tank pressure. The low air pressure warning signal must come on before the pressure drops below 60 psi. Check that the Spring Brakes Activate Automatically Continue to rapidly apply and release the service brake pedal further reducing air pressure.
- The trailer air supply button for combination vehicles and parking brake button should pop out when the pressure falls to usually between 20 to 40 psi. This should activate the spring brakes. Check Rate of Air Pressure Buildup While the engine is operating at RPM, the pressure should rise from 85 to psi within 45 seconds in dual air systems. Test Foot Service Brakes With normal air pressure, release the parking brake and trailer air supply button for combination vehicles , move the vehicle forward slowly at about 5 mph and apply the brakes firmly using the brake pedal. Test for any pulling to any one side or delayed stopping action.
- Check for damage to power steering hoses and power steering fluid leaks. Steering Linkage Check that connecting links, arms, and rods from the steering box to the wheels are not worn and cracked. Check that the joints and sockets are not loose or worn and that there are no missing nuts, bolts, or cotter keys. Suspension Check for shifted, cracked, broken, or even missing leaf springs. Check for broken and distorted coil springs. If equipped, check the air ride suspension for damage and leaks.
- Mounts Look for cracked or broken spring hangers, missing or damaged bushings, and broken, loose, or missing bolts, U-bolts or other axle mounting parts. Shock Absorbers Confirm that the shock absorbers are secure and that there are no leaks. Brakes Slack Adjusters Look for missing, loose or broken parts. The angle between the adjuster arm and push rod should be not less than 90 degrees when the brakes are applied and when the brakes are released a little over 90 degrees. When pulled by hand, the brake rod should not move more than one inch with the brakes released. Brake Chambers Check that brake chambers are not dented, cracked, or leaking and that they are mounted securely. Brake Hoses and Lines Check for worn, cracked or leaking hoses, lines, and couplings. Drum Brake or Rotor Check for dents, cracks or holes, and loose or missing bolts.
- Brake linings and pads should not be worn thin. Brake Linings Where visible, check that a reasonable amount of brake lining is showing. Wheels Check for damaged or bent rims. Rims cannot have welding repairs. Tire condition: Check that tread is evenly worn and without cuts or damage to tread or sidewalls. Valve caps and stems should not be missing, broken, or damaged. Tire inflation: Check for proper inflation with a tire gauge or by striking tires with a mallet. Lug Nuts Check for any missing lug nuts, cracks, distortions, and for signs of looseness such as rust trails or shiny threads. Check for cracked or distorted bolt holes. Spacers Spacers should not be bent, damaged, or rusted through. Spacers should be centered evenly. Side of Vehicle Check doors for any damage and that they open and close properly. Hinges should be secure with seals intact. Mirrors and mirror brackets should be mounted securely.
- Battery and Battery Box Check to see that batteries are secure, for tight cable connections, and that cell caps are present. Check for signs of excessive corrosion. Drive Shaft The drive shaft should not be bent or cracked. Couplings should be secure. Check system for rust or carbon soot as they are signs of damage or leaks. System should be secure and connected tightly. Frame Check the longitudinal frame members, cross members, box, and floor for cracks, broken welds, holes or other damage. Rear of Vehicle Splash Guards If equipped with mud flaps or splash guards, check that they are mounted securely and not damaged.
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Doors, Ties and Lifts Doors and hinges must open, close, and latch properly from the outside, and should not be damaged. Check that any ties, straps, chains, and binders are secure. If equipped with a cargo lift, it must be fully retracted and latched securely, and should not be leaking, damaged or missing any parts. Tractor, Coupling Air and Electric Lines Check that electrical lines and air hoses are not cut, chafed, spliced, or worn, the steel braid should not show through its outer lining.- Make sure the lines and hoses are not tangled or dragging against tractor parts. Catwalk Make sure the catwalk is securely bolted to tractor frame. Mounting Bolts Check for loose or missing mounting brackets, clamps, bolts, or nuts. The fifth wheel and the slide mounting must be solidly attached. Other types of coupling systems should be inspected for missing or broken components. Locking Jaws Check that the locking jaws fully close around the kingpin. On other types of coupling systems the locking mechanism should not have missing or broken parts and should lock securely. Platform fifth wheel The platform structure supporting the fifth wheel skid plate should be free of cracks or breaks. Release Arm fifth wheel If equipped with a release arm, check that it engaged and that the safety latch is in place. Kingpin, Apron and Gap The kingpin should not be bent. The visible part of the apron should not be bent, cracked, or broken.
- The trailer should be laying flat on the fifth wheel skid plate without any gap. Locking Pins fifth wheel Locking pins should be fully engaged. The fifth wheel should be positioned so the tractor frame will not strike the landing gear or the tractor. Glad hands should be locked in place and free of damage or air leaks. The trailer electrical plug should be firmly seated and locked in place. Header Board If equipped with a header board, check to see that it is secure, damage-free and strong enough to contain cargo. If equipped with a canvas or tarp carrier, it should be mounted and fastened securely. Check the front area of enclosed trailers for cracks, bulges or holes. Landing Gear The landing gear must be fully raised. Check that it has no missing parts with a non-damaged support frame and that the crank handle is secure. Check for air or hydraulic leaks if power operated. Doors, Ties and Lifts Check that doors are not damaged and that they open, close, and latch properly from the outside.
- Ties, straps, chains, and binders should be secure. Any cargo lifts should be checked for leaking, damaged or missing parts, and should be fully retracted and latched securely. Frame The frame, cross members, box, and floor should be checked for holes, cracks, broken welds or other damage. Tandem Release Arm and Locking Pins If equipped, make sure that the release arm is secured and that the locking pins are locked in place. Remainder of Trailer.
- True False 3. To check the parking brake you should: apply the parking brake and make sure that it will hold the vehicle by shifting into a lower gear and gently pulling against the brake. You need not show that the parking brake works. The brake pedal should not move depress for five seconds. Failure to perform an air brake check will result in an automatic failure of the vehicle inspection test. True False 6. When checking lights and reflectors all external and reflective equipment must be clean and functional. Light and reflector checks include: headlights, seatbelts, tail lights, decorative lights. An external inspection of the steering box and hoses will include checking that the steering box is securely mounted and not leaking more than 4 ounces of fluid per hour.
- True 8. The steering box must be securely mounted. You will check for: proper paint on the box. On the steering linkage you must check for joints and sockets that are worn or loose and that there are no missing bolts, nuts, or cotter keys. True The Suspension System check should include: hoses, springs, mounts, brakes.
- There are questions that can be asked. There will be only 30 chosen out of Wasted time off work, money lost from not being at work, bosses frustrated you missing work, money lost on fuel and just the aggravation of having to stand in line many times makes it worth using our tests to pass the very first time. Why take our online CDL practice tests? There is nothing more frustrating than going to the TXDPS office, waiting in line, testing and then miss passing the test by one question.
- Most all people learn best in a hands on situation. If you think about it, most skills are learned by actually doing them, not by reading a book or talking about them. You will pass with our study materials!!! You should read the Texas Commercial Vehicle Handbook on each subject before practicing testing a couple of times to learn the information, then practice what you have learned on our online testing. Depending on how well you did on your first few online testing practices, you may want to redo the test 10 to 15 times after reviewing the information. This will help you to remember what the correct answer is. Our CDL testing program will keep making you review the questions that you got wrong to help yourself learn what the correct answers are.
- Keep in mind that many practice tests online that are free and nothing good is free. You will have to pay for access to the real Texas CDL test questions. Because of this, you should get comfortable with taking the test before going in for the real thing at your local TXDPS office. There is nothing more frustrating than going into the driver license office waiting a long time in line and failing missing 1 to many questions. Where do you begin??? To begin you will have to obtain a CDL Permit. The following two tests,Texas Commercial Vehicle Operation and Combination, are the very first two tests you will have to take to get a class A Permit.
- There are questions total that can be asked on all of the class A CDL tests. The written tests you will have to complete are highlighted in bold. You may take written tests at different locations. You can also take a road test at a totally different TXDPS office where you did not take your writtent tests at. The TXDPS have all of your tests on computer and every driver license office in the State of Texas can see the written tests you have taken and your test scores. It is a good idea to get a receipt for each written test taken. The TXDPS driver license office has a new computer system that can generate a receipt for each written test you take.
- You do not want to take a test and it get lost from a lazy TXDPS worker by not placing the completed test into the TXDPS system on your driver license showing being not completed under your license number. However if you choose to get the CDL handbook from the driver license office they are free.
- Be prepared for the real Oklahoma test! Practice all 8 Oklahoma written tests online. Practice as many times as you want! Available in print out format. Print the tests and take them anywhere! Immediate access after signup! No shipping or waiting! Simple and easy to use. No confusing software or downloads. Safe and secure signup. You can pay with any credit or debit card. Link to your Oklahoma CDL handbook. Testimonials: I needed to get my class b license, with the tanker endorsement, hazmat, and air brakes. I studied for 4 hours! I passed my tests the next day at the dmv I was able to pass my cdl written tests with confidence. The practice tests were similar dmv test. Whether you want to drive a tractor trailer, straight truck or school bus, our Oklahoma CDL practice tests have got you covered. We have gone through the Oklahoma CDL handbook and developed hundreds of possible questions and answers. Every question comes with feedback, so you will immediately know the correct answer.
- We update our practice tests regularly to ensure the most accurate CDL test preparation possible. Examples of CDL Class A vehicles include: tractor trailers, double trailers, and triple trailer rigs. You must pass the general knowledge test, combination endorsement test, and the air brakes test to get your Class A. Examples of CDL Class B vehicles include: most straight trucks, dump trucks, vacuum trucks, crane trucks, and cement trucks. You need to pass the general knowledge test and the air brakes test. CDL Class C Any single vehicle, or combination of vehicles, that is not a Class A or B, but is made to transport 16 or more passengers, including the driver, or is transporting material hazardous materials. You need to pass the general knowledge test. Depending on what vehicle you plan on driving you may have to take the air brakes test, passenger test, and school bus endorsement. Our interactive practice tests are simple and easy to use. The practice tests don't use software or downloads to run.
- They run right through your internet browser. To use the practice tests you only need to have adobe flash installed on your computer. Signing up is safe, easy, and secure. Both the lifetime and 1 month memberships include all 8 Oklahoma CDL practice tests and printable guides. After you select your membership type enter the rest of your information. We accept all major credit and debit cards. Signup at the bottom of this page. Login is easy. Simply use your username and password. The login link is at the top right corner of any page.
- Inspecting the vehicle before driving each day is a Federal requirement and normally takes about 15 minutes. It must be logged in your logbook as "on duty not driving. You will also be checking to see if all components are properly mounted and secured. None of the mounts must be cracked, bent, or broken. You will be checking all hoses to make sure they aren't leaking, frayed, or sliced and the fluid levels including the oil level, the coolant, and the power steering fluid.
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