Which of these you should NOT do in an emergency situation? You can let other drivers know about you by? When the brakes are applied, Electronic sensors detect how quickly the wheels are slowing down. You do have to do it many times until you slow down to a safe speed. How do you correct a rear wheel acceleration skid? 3. 1/4 mile. If the wheels lock up, you must release the brakes, free up the wheels, and then reapply them fully. Drinker can control how fast his body absorbs alcohol he gets. Related content: How does the ABS modulator work? The snub method will be the safer one to use as you are using your gear shift to help you slow down. Why it is important to shift gears correctly? What can this cause when the brakes are applied? B) Help slow the vehicle while driving and reduce brake wear. The ABS is designed to keep control of your vehicle in your hands and you do not want to mess with that protection. Continuously pumping the brake will prevent the technique from working as intended. Most drivers when they get into a tough situation simply jam on the brakes to stop as quickly as possible. When you use this method the right way, your brakes should not overheat. Otherwise the tire may blow out or catch fire. Which of these is NOT a brake check you normally do during your walk-around inspection? Take more free practice tests for other CDL topics with our. Reapply the brakes as soon as you can. Which of these statements about backing a heavy vehicle is true? Which of these statements about cargo loading is true? When you downshift for a curve, you should do so before you enter the curve. D. 2/32 inch tread depth is permissible for steering tires. \text{ } & \text{a} & \text{b} & \text{c} & \text{ }\\ \hline However, this is not necessarily true. stab wound). Permits less maximum axle weight for the axles that are close together. Fishtailing In Car Explained What To Do If It Happens, What Is Shuffle Steering? While it is true that repeated hard braking can wear down your brakes and decrease their lifespan, one instance of hard braking is not going to cause any significant damage. Those tires can blow or be damaged further. Apply the brake all the way. You will be placed out of service for 24 hours if your blood alcohol concentration (BAC) is at least? Which of these statements is true? Sometimes pumping the brake pedal will generate enough hydraulic pressure to stop the vehicle. The marking is a red triangle with an orange center. Or if you do it too sharply, your car can fishtail and cause damage to more than your car or truck. The brakes are applied every time you reach your safe speed for each gear. Which ofthese is true about the use of a heater? At the same time, modern vehicles have adopted the Anti Lock Brakes System (ABS), an intuitive way of applying stab braking without going through all the processes. 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? C Question: Emergency stab braking is: Press on the brake pedal as hard as you can, release the brakes when the wheels lock, put on the brakes again when the wheels start rolling. B Yes, because the brakes can get out of the adjustment when they are used a lot. The parking or emergency brake is separate from the hydraulic brake system. The usual thing to do is either hit the brakes too suddenly or too hard, which causes the wheels to lock instantly. What other two military branches fall under the US Navy? This method is used when there is no one around and you have lots of time to slow down. It is not because the technique is not suitable for cornering but because they need to learn how to use it when cornering. the weight transmitted to the tires from the axle the weight transmitted to the ground by one axle or one set of axles Both above Which of these is not a danger when an automatic transmission is forced into a lower gear at high Speed? You can go into a slide or fishtail when you do this method. Presentstates0s1s2s3NextstatePresentinputas1s1s3s1bs0s3s2s1cs3s0s1s0Output0100. During the vehicle inspection checking of _________ will NOT prevent a fire? You must exit a highway using an off-ramp that curves downhill. The road is dry and visibility is good. The snub system is when you only apply slight pressure (20 to 30 psi) on the brakes. It will then directly bring down and increase the pressure from the brakes. (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. Mountain roads have tough curves as well and you need to watch your speed. You can refer to the answers, The following summaries about does mold grow on concrete will help you make more personal choices about more accurate and faster information. This method gives you the shortest stopping distance which should keep you safer. This is more likely to happen if the brakes are already hot from heavy use, such as going down a long, steep hill. Required fields are marked *. You can see a marking on a vehicle ahead of you. Retarder. How the weight of the vehicle affects stopping distance? Here is a detailed guide on the meaning of stab braking, how to use the method, safety concerns, and answers to frequently asked questions. Obtain an old toaster and disassemble it. Which of the following systems should receive extra attention during winter weather inspection? It is called "stab" braking because the driver applies the brakes with a quick and forceful motion, similar to a stabbing motion. This is a method that uses even less pressure on the brakes, (5 to 15 psi), than you use when you snub or stab the brake. 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. If you're going 50, step on the brake halfway through or even more, and drop the speed rapidly to 45-40. In 1-2 second intervals, you've significantly reduced the brake, so the remaining time will let the brakes cool for the next cycle. Cargo doors and / or cargo securement. Your vehicle will be put out of service if ______ or more leaves in any leaf spring are missing. This cookie is set by GDPR Cookie Consent plugin. However, this can be dangerous when not used properly or when used by someone inexperienced. ABS or some other anti-locking braking system. You are driving a vehicle that safely could be driven at 55 mph on an open road. When they do, you are to hit the brakes again. It should take 1 second for the wheels to be free after releasing the brakes. Necessary cookies are absolutely essential for the website to function properly. With this method, you apply the brakes as hard as you can without locking the wheels. If a tire is too hot to touch, remain stopped until the tire cools off. In addition, the stabbing braking method can also be helpful when you lose control of the vehicle when driving downhill. It could be dangerous whenever you speed and hit the brake hard, as it is nearly impossible to steer safely into position by yourself. 9. Which of these is true about other drivers? 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? the distance you should look ahead of the vehicle while driving amounts to how many miles at normal highway speed. B In a bad weather many car drivers tailgate large vehicles. You should avoid backing whenever you can. The same gear you would use to climb the hill. When the temperature drops, the bridges freeze before the road. (Guide), What Is The Emergency Stab Braking Method? or get instant Whenever you double your speed your vehicle has about how many times of destructive power if it crashes? C. Anti-lock brakes. 4 How would you use the stab braking technique during emergency braking? In a mountain driving you should go slow for safety. The purpose of retarders is to: A) Apply extra braking power to the non-drive axles. Used whenever it is safe and legal to do so. Your email address will not be published. Carburetor CFM Calculator Find Recommended Carburetor Size, Fuel Injector Flow Rate Converter lb/hr to cc/min & cc/min to lb/hr. D You are checking your steering and exhaust system in a pre-trip inspection. This braking method is used with cars that do not have the ABS feature or have it deactivated. Stab Braking Should Not Be Used on Vehicles With ABS or some other anti-locking braking system. Stab braking allows drivers to lock the wheel of their vehicle whenever they brake hard. The older models of cars do not have ABS so this is one of the many recommended ways to stop your vehicle in an emergency. You can drive a vehicle hauling hazardous materials when? What is the most important reason to inspect your truck or bus? You can use the controlled braking method or the stab braking method. C. 4/32 inch tread depth is the maximum allowed on drive tires. If you need to make a larger steering adjustment or if the wheels lock, release the brakes. A four-inch, diamond-shaped, hazardous materials label must be on the container. Which of these is the most important? Keep your following distance (the space between you and the vehicle ahead) constant, or make it larger if you can. email You use this in conjunction with your manual shifter to reach a lower gear at safe speeds. It is permissible to use radio and bias-ply tires together on the same axle. C 3.Stab braking should not be used on vehicles with: CDL MCQ, 4.What Is Stab Braking Mean? What is true about bad weather and driving conditions? You drive through the heavy rain or snow. What are the conflicts in A Christmas Carol? If you cannot see well with your headlights, which of the actions may help? Apply the brakes completely until the wheels lock up and the vehicle stops. 3. Protect the accident scene C. Flag down help. Law and restrictions can vary from place to place. This is not a method you use when you need to brake suddenly and very quickly. Clear the area B. Should be used by any driver who looses braking power. B) Help slow the vehicle while driving and reduce brake wear. First, if the wheels lock up, the car will skid. A space to the________ your vehicle is most important to manage. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Often make you sleepy and I should not be used while driving, when driving through a highway work zone, you, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, Med Surg Chapter 37: Care of Patients with Di, Dr. Jekyll and Mr. Hyde - comp. How long is it safe to use nicotine lozenges? [PDF] General Knowledge Practice Test Diesel Truck Driving School, 8.General knowledge CDL part 5 Flashcards Quizlet, 9.Stab Braking Explained What Is It? Which of these statements about certain types of cargo is true? Join 50,000+ users around America to get your Commercial Driver License today! If you're experiencing hot and cold flashes, you may be coming down with a cold or flu and need a longer rest. Your brakes can get wet when you drive through a heavy rain. Stab braking should not be used on vehicle with? Stab braking: Use only on vehicles without anti-lock systems. Spring brakes C. Anti-lock brakes. And vocab rul. To return to the road? B Team Driving vs. Solo Driving What is Better. Most owners are against the stab method due to many weaknesses in the method. This procedure is to be done till your vehicle is traveling at a safe slow speed. Darius Saczuk. These cookies ensure basic functionalities and security features of the website, anonymously. If you have convicted of a commercial vehicle under influence of alcohol or drug you will loose your CDL for? So keep holding down the brake pedal until the car completely stops. 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. 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. However, older vehicles do not have ABS. But you have to be quick as you do not get a lot of time to hit the brakes repeatedly and slow down fast enough. This is similar to stab braking and some people use the terms stab and snub interchangeably. If you do not have a CB radio, what is the first thing you should do at an accident scene. Which of these statements about an inspection of the suspension components is true? No because the other brakes will make up for a brake that is out of adjustment. However, you may visit "Cookie Settings" to provide a controlled consent. All of the above. severe) referring to the. If you do NOT have a CB-radio what is the procedure you should do on the accident scene? Do not let air out or the pressure will be too low when the tires cool off. Stab braking: A Should never be used. Then you will need to use it when you are going down some steep grades and you need to stop quickly. At night turn on your highbeams before you start to pack and leave them on until you have completely passed the vehicle, Adjust your speed to keep your stopping distance within your sight distance, In mountain driving you will have to use lower gears to drive safely on the, When starting to move up a hill from a stop, Release the parking brake as you apply engine power.
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