1.You should not use stab braking on which of the following vehicles? Air Compressor and Air System Pressure - You should be . B) Help slow the vehicle while driving and reduce brake wear. Repeated hard braking will eventually take its toll, but one instance is not going to cause any harm. On a vehicle with a trailer the trailer can push the towing vehicle sideways. Air pressure in tires increases with the temperature. According to some owners, this is not a very safe method to use as you lose control over your steering and tires. When doing this process, you are meant to hit the break, release, hit again, and then hold down. 7. \text{ } & \text{a} & \text{b} & \text{c} & \text{ }\\ \hline 10. When driving a commercial vehicle with a height over 13 feet, you should? You should always turn on your emergency four-way flasher when you ? So keep holding down the brake pedal until the car completely stops. Which of these statements about certain types of cargo is true? When you are starting to move up a hill from a stop? Apply the brake all the way. When to release the brakes on a car? This is called the ________ driving. Take more free practice tests for other CDL topics with our. This is a good response if there s enough distance to stop, and you use the brakes correctly. C. 4/32 inch tread depth is the maximum allowed on drive tires. Stab braking should not be used on vehicles with: A. 16:04 Mar 12, 2023. C If your car already has an ABS system installed, it is best to leave the computer to do the work for you to prevent the wheels from locking in emergency situations! \end{array} In this way, your vehicles speed would reduce significantly before cornering, allowing you to maintain control of the steering when entering the corner. The controlled braking method is mainly used to keep the vehicle straight, and it is not recommended when steering the wheels. However, this can be dangerous when not used properly or when used by someone inexperienced. When it is necessary to learn how a fire extinguisher works? It is because the ABS uses sensors, which are prone to get damaged like other electrical components of the car. Only when the vehicle does not require placards. The stab braking method for emergency stops involves fully applying the brakes until they lock up. Test Score . section 1:general knowledge cdl Flashcards | Quizlet or get instant A straight truck brake system should not leak at a rate of more than psi per minute with the . Which of these would NOT help if windshield covered with ice? Air brakes are a good and safe way of stopping large and heavy vehicles, but the brakes must be well maintained and used properly. The best drivers are who watch and prepare for hazard? 2.Stab braking should not be used on vehicles with Study With Us! You must stop on the hill or curve on a two Lane, 2 Way Rd. C A 3. What Is The Emergency Stab Braking Method? - Vehicle Freak Once the brake is released and pressed, you can steer the wheels while the brakes are still working. In addition, the stabbing braking method can also be helpful when you lose control of the vehicle when driving downhill. The ABS system will prevent the wheels from locking so you are always in control of your vehicle. It is the quick way to do that but not the safest way. Look to the right lane or edge markings of the road. The Best Trucker Apps to Help You on Roadway - CDL Prep. You will be placed out of service for 24 hours if your blood alcohol concentration (BAC) is at least? In your mirror you see a car approaching from the rear, the next time you check your mirror you do not see the car. You are driving a new truck with a manual transmission. Which of these statements about shipping hazardous materials is true? Can you use stab braking with ABS? - Wise-Answer Which of these items is NOT checked for a pre-trip inspection? Related Information Comments It does not store any personal data. Why a damage of exhaust system is a danger? Explain the significance of bond order. Which of these actions should you NOT take? A car suddenly cuts in front of you, creating a hazard. The stab braking method has you stepping on the brake until the wheels lock and then you are to release the brake so the wheels begin to rotate again. Therefore, it allows for better maneuvering when driving, better than controlled braking because you do not need to release the brakes to turn the wheels. How would you use the stab braking technique during emergency braking? Should be preformed after every break you take while driving. However, it should only be used in emergency situations. To return to the road? The cookie is used to store the user consent for the cookies in the category "Performance". You are about to exit the road and need to slow down, Wait for a large enough gap in the traffic to enter the road. Should be used by any driver who loses braking power on a vehicle The breaking power of the spring breaks Depends on the service brakes being an adjustment Should brakes adjustments be checked often: No because the other breaks will make up for a brake that is out of adjustment Which ofthese is true about the use of a heater? Stab braking should never be used should only be used on slick roads involved locking the wheels involves steady pressure on the break pedal involved locking the wheels Axle weight means the following? When the brakes are applied, Electronic sensors detect how quickly the wheels are slowing down. You should brake in a way that will keep your vehicle in a straight line and allow you to turn if it becomes necessary. Wait to change lane until you are sure that car is not in your blind spot. Apply the brakes completely until the wheels lock up and the vehicle stops. This is not a one-time method. Which of these is true about tires and hot weather? Signal early, and change lanes slowly and smoothly. No because the other brakes will make up for a brake that is out of adjustment. How to Handle Difficult Customers as Delivery Truck Drivers. [California Commercial Driver Handbook], It a great app to study for your CDL tests, Your email address will not be published. The computer will do the sensing for you and will release the brake pressure when it is time to release it. You should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. Also available in App Store & Google Play. Stab braking should not be used on vehicles with: A Anti-lock brakes. If your brakes fail on a downgrade, you must first? What is the ABS Module, and how does it work? At a special brake testing center only. Save my name, email, and website in this browser for the next time I comment. Stab braking: The stab braking method for emergency stops involves fully applying the brakes until they lock up. When you hear the screeching sound, you release the brake pedal and hit it hard again within a second. This article will discuss some tips and strategies for handling difficult customers as delivery truck drivers. End of Test #7. Should only be used on slick roads. This technology first became widely available in the 1980s, and it has since become standard equipment on most new vehicles. It bleeds making the road surface slippery. Apply the brake all the way. With both hands on opposite sides of the will. You can refer to, The following summaries about electric walk behind concrete saw will help you make more personal choices about more accurate and faster information. D What should you do when vehicle hydroplanes? With the ABS, you only have to hit the brake once and hold down, and the wheels will automatically be free to move. They may drive slowly and make sudden stops or lane changes. Retarder. Which of these is not something you should do if your headlights are not working properly? A The technique is mainly used with older generations of cars. When you feel you are going too fast, you are to step hard on the brake pedal and keep the pressure on till you feel the wheels lock. Team Driving vs. Solo Driving What is Better. Stab braking, can only be done in vehicles without antilock brake systems (ABS). When you do so you should keep in mind, that ? The anti-lock braking system is a safety feature in many modern vehicles. In stab braking, the wheels are intentionally locked and unlocked. When they do, you are to hit the brakes again. If the wheels lock up, you must release the brakes, free up the wheels, and then reapply them fully. severe) referring to the. D Continuously pumping the brake will prevent the technique from working as intended. If you have convicted of a commercial vehicle under influence of alcohol or drug you will loose your CDL for? Look outside your vehicle for another means of slowing you. Flashcards - general knowledge cdl - FreezingBlue Many heavy vehicle accidents occur between midnight and 6 am. Air pressure increases with temperature. The snub method will be the safer one to use as you are using your gear shift to help you slow down. Spare electrical fuses (if the vehicle uses them). 9+ stab braking should not be used on vehicles with most standard (It can take up to 1 second for the wheels to start rolling after you release the brakes. Stop and direct traffic around it. What is counter steering? Cannot be used on interstate highways. You can use the controlled braking method by braking hard, but in this case, if you want to have control of the wheel or need to steer, you will have to release the brake pedal a little, steer the wheels, and then hit the brakes again. of stack.top is 5. What should you do if a car coming toward you at night keeps its high beams on? Take this same test in our other testing modes How to Get a Hazardous Materials Endorsement, What is a CDL? Section 5: Air Brakes - California DMV How do you correct a rear wheel acceleration skid? Second, locked wheels can cause the car to veer off course. Which of these about alcohol is NOT true? The safest Speed for your vehicle is most likely. Now, this is where the stab braking system comes in. If you do NOT have a CB-radio what is the procedure you should do on the accident scene? Why does my car make a clicking noise when braking? Rust around wheel nuts may mean that they are loose. It will take a full second or two before the wheels begin to roll again. One can recognize hazardous materials by looking on the container? You should also never use the stab braking technique in modern cars with ABS systems in place. CDL General Knowledge Practice Test #7 | Trucker Country Defines stab as brake till lock let off then brake till lock let off Defines controlled as bake as hard as you can without locking. It is also not recommended to use this technique on bald or damaged tires. When the vehicle is moving at about 5 MPH. In emergency situations, sometimes there is no safe way to stop. Do you have to bleed brakes after changing pads? English to Polish translations [PRO] Tech/Engineering - Automotive / Cars & Trucks / NYS Commercial Driver Lic. Tires of mismatched sizes should not be used on the same vehicle. Just be sure to keep an eye on your brake pads and make sure they are replaced when necessary. When should stab braking not be used? - Short-Question Although the technique is relatively easy and seems straightforward, it could be challenging to apply in specific scenarios, like driving downhill or cornering. Vehicles fishtail You can go into a slide or fishtail when you do this method. The ABS is designed to keep control of your vehicle in your hands and you do not want to mess with that protection. The ABS function uses sensors that immediately sense when the wheel is about to lock whenever you suddenly hit the brake. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. You will know you are over heating your brakes when you smell the burnt odor and see the smoke coming from the axle. You have to be paying attention, not only to the road but to your wheels as the moment you feel them lock, you are to release the brake. To avoid an accident you moved to the shoulder. Scan The usual thing to do is either hit the brakes too suddenly or too hard, which causes the wheels to lock instantly. (Answered), The D16Y7 Engine: Specs, Mods And Known Issues, Check Charge System In Honda Accord: Causes & Fixes, Key System Error In Nissan Altima: Causes & Fixes, Here Are 7 Methods To Bypass the Neutral Safety Switch. Spring brakes C. Anti-lock brakes. Drive alongside other drivers. You are driving a heavy vehicle. email Not everyone is in favor of using this method as you can burn your brakes. Which of these, is a good rule to remember at such a time. NextstateOutputPresentstatePresentinputabcs0s1s0s30s1s1s3s01s2s3s2s10s3s1s1s00\begin{array}{llllr} D Yes and they can put you out of service if unsafe. What equipment is necessary for safe securement for people who use their wheelchair as a vehicle seat? Also, you can use the stab braking method when cornering. Stab braking: A Should never be used. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Which of the statement about backing a heavy vehicle is NOT true? If the speed of the child is 2.2m/s2.2 \mathrm{~m} / \mathrm{s}2.2m/s, what is the minimum coefficient of static friction between the child and the merry-go-round that will prevent the child from slipping? The parking or emergency brake is separate from the hydraulic brake system. B Which of the following systems should receive extra attention during winter weather inspection? B A Commercial Drivers License Overview, Trucking Terminology and Transportation Definitions. One of those methods is as we have already said, losing control over your vehicle. Wait to change lanes until you are sure the car isn't in your blind spot. But opting out of some of these cookies may affect your browsing experience. This cookie is set by GDPR Cookie Consent plugin. Stab braking should not be used on a vehicle with: a) Trailers. People often opt for the stab braking method when turning their cars. Your vehicle is in a traffic emergency may collide with another vehicle if you do not take action. Obtain an old toaster and disassemble it. One thing to keep in mind if you use the stab braking technique when cornering is that it must be done before you corner the vehicle. The cookie is used to store the user consent for the cookies in the category "Analytics". Which of these is NOT a type of retarders? What other two military branches fall under the US Navy? Stab braking is safe and relatively easy to use if you know how to use it. Decreases the distance that you look ahead of your vehicle. Stab braking is not effective when the road surface is wet or icy, as the tires can lose traction and cause the car to skid. If you must brake hard on a slippery surface, pump the brakes lightly instead of applying constant pressure. However, the stab braking technique can still help you; significantly when you are speeding and are about to hit a corner. You can let other drivers know about you by? You can hardly see what is going on outside. Stab braking allows drivers to lock the wheel of their vehicle whenever they brake hard. The stab braking and controlled braking method achieve the same result, but the difference is in how they achieve it. The most common cause of wheels locking up while braking in a car without an ABS system is human error. When you understand how the ABS works, then you will understand why you do not use the stab method with those vehicles. It is less dangerous to drive onto the shoulders than to make a collision Which of the following is NOT a characteristic of the front tire failure? No. As soon as the wheels start rolling, apply the brakes fully again. b) Antilock brakes. Stab braking is done by hitting the brakes hard, waiting till the wheels lock, and then releasing the brake, only to repeat this process. How chemistry is important in our daily life? Answer: C. Anti-lock brakes More : Stab braking should not be used on vehicles with: A. Trailers. There are many different methods you can use when going down steep mountain roads and through hairpin curves. When should you use stab braking? However, it may be the only way to stop very quickly. When speeding during cornering, braking is not a good idea, especially when driving an SUV or Truck. A lower gear that you would use to climb the hill. Yes and they can put you out of service if unsafe. In mounting driving you will have to use a lower gear to drive safely on a grade. A If an emergency arises, the driver should use the controlled or stab braking method. Which of these is true about mirror adjusting? explanation Stab braking can only be done in vehicles without anti-lock brake systems (ABS). If you use any other braking method with the ABS, you can use the controlled braking method. B) Help slow the vehicle while driving and reduce brake wear. The space your vehicle is most important to manage. It could be dangerous whenever you speed and hit the brake hard, as it is nearly impossible to steer safely into position by yourself. Join 50,000+ users around America to get your Commercial Driver License today! You should lightly apply your brakes to flash the brake lights if? Are caused by going too fast or trying to stop too quickly. Trucks and buses are subjects of certain law regulations and inspections. response is to hit the brakes. What is the most important reason to inspect your truck or bus? What can this cause when the brakes are applied? ), Stab Braking Should Not Be Used on Vehicles With. If the brakes are working properly, the pedal should? The ABS does the same thing, except that is done automatically by the vehicle, while the method discussed requires some effort from the driver. If you must brake hard on a slippery surface, pump the brakes lightly instead of applying constant pressure. What keeps an engine cool in a hot weather driving? If you wish to change the lane, you should? Keep your following distance (the space between you and the vehicle ahead) constant, or make it larger if you can. When you downshift for a curve, you should do so before you enter the curve. Which of these is true about commercial vehicle habit of swinging wide on turns? To use the stab braking method, you should: - DMV Written Tests We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The snub system is when you only apply slight pressure (20 to 30 psi) on the brakes. The best trucker GPS app is helpful since driving a truck can be challenging and demanding, especially when navigating unfamiliar routes and finding the best truck-friendly roads. When you find yourself in a situation where you are speeding and you suddenly encounter a cornered road, you should use the stabbing process before cornering and not when you are cornering. Honk your horn and stay close behind the car. Such a load should be marked with a four inches diamond shaped labels on the containers. This is CDL General Knowledge Test 7in our original Classic Mode. In other words, theres no need to pump the brakes yourself when you have an ABS system it will do it for you! for subscribers! First, if the wheels lock up, the car will skid. Release brakes when wheels lock up. It would be best if you had the proper knowledge about stab braking and how it functions before attempting to use it. Which of these should be tested on the vehicle to stop? when you do so you should keep in mind, that: It is less dangerous to drive onto the shoulders then to make a collision Which of the following is not a characteristic of the front tire failure? A Anti-lock brakes. \text{$s_{2}$} & \text{$s_{3}$} & \text{$s_{2}$} & \text{$s_{1}$} & \text{0}\\ It is also not recommended to use this technique on bald or damaged tires. Tire temperature. 3 Why does air braking takes more time than hydraulic braking? This prevents the wheels from locking up, and helps the driver maintain control of the vehicle. All you have to do is release the brakes slightly for easy maneuvering. The reading is 95.00cm95.00 \mathrm{~cm}95.00cm. The stab method is not considered the safest or best way o stop your vehicle. What is a least amount of space that you need to have in front of your vehicle? B When the vehicle is traveling downhill without a load. Using mirrors and turn signals turn sharply to get back to the road. If you were to try the stab braking technique in a car with ABS, you would end up pumping the brakes yourself which is exactly what the ABS system is designed to do. It should take 1 second for the wheels to be free after releasing the brakes. It is a moot method in this situation and the ABS will pump your brakes for you so you do not have to do it. The answer is no. Where or when should you test the stopping action of your service brakes? The next time you check your mirror you do not see the car. Controlled braking. A \text{$s_{3}$} & \text{$s_{1}$} & \text{$s_{1}$} & \text{$s_{0}$} & \text{0}\\ When should stab braking never be used? - Answers C Involves steady pressure on the brake pedal. To determine blood alcohol concentration level for a person it is necessary to know? In a mountain driving you should go slow for safety. Is stab an adverb? The stab method is supposed to slow your car without burning the brakes or over-heating them. the distance you should look ahead of the vehicle while driving amounts to how many miles at normal highway speed. \text{ } & \text{Next state} & \text{ } & \text{ } & \text{Output}\\ Knowing when not to use the stab braking method is as important as knowing when is the right time to use it. Empty trucks take longer to stop than if loaded, but this is not the normally case for buses. B Which of these is not a good rule to following when caring for injured at an accident scene? Which of these statements about backing a heavy vehicle is true? How the weight of the vehicle affects stopping distance? What should you do if you are unsure whether you have enough overhead clearance? As a result, abrupt braking should be avoided when operating an antilock brake vehicle. Dimmed when you are within 100 feet of another vehicle. It is less dangerous to drive onto the shoulders than to make a collision. The best method to use may be the threshold method as you put steady pressure on your brakes and let the ANS system slow the vehicle. That will give the vehicle behind space to enter if they choose to overtake, and give you room to slow down more gently, cutting the risk of being run into from behind. When roads are slippery, you should: If the anti-lock brake system fails or malfunctions, the driver must resort to stopping the vehicle by using the normal air-brake method. All of the above. Why it is important to shift gears correctly? Find another route that will not require driving under the object. Gearing down is one way to slow your vehicle but you have to do it at safe speeds or you can ruin your transmission. Clear the area B. Ice should be removed from the radiator shutter. A Vehicles with anti-lock brakes. A. This procedure is to be done till your vehicle is traveling at a safe slow speed. If you need to make a larger steering adjustment or if the wheels lock, release the brakes. Be first to know about the latest update and access free materials only ), Common Weigh Safe Hitch Problems and Review (Are They Good? Used whenever it is safe and legal to do so. Which of these is not a danger when an automatic transmission is forced into a lower gear at high Speed? At least 100 feet before turning or changing lanes, Generally are used when freight is carried part way by rail or ship. What should you do when you see a hazard in the roadway ahead of you? If youre not comfortable with the technique, make sure to practice it beforehand so that you are familiar with the procedure. how often should you inspect your tires in very hot weather. Should be used by any driver who loses braking power on a vehicle, Depends on the service brakes being an adjustment. Which of these is NOT a danger of a rough acceleration? Stab Braking: Use only on vehicles without anti-lock brake systems. (Snub vs Stab), 4L60e Transmission Fluid Capacity, Type, and Change Interval. Stab braking is the system that is prevalent even today in cars without anti-lock braking system.
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