Not all the methods are good to use and everyone will have their own opinion on which one you should use. What happens to tar on the road pavement during hot weather? You must hit the brakes as hard as possible whenever your vehicle loses traction. A This Is Why the Mazda 3 AT Light Comes On, How To Bypass The Anti-Theft Device In Your Car, Do Brake Rotors Come In Pairs? When speeding during cornering, braking is not a good idea, especially when driving an SUV or Truck. The Best Trucker Apps to Help You on Roadway - CDL Prep. Should be used by any driver who loses braking power on a vehicle, Depends on the service brakes being an adjustment. If you must brake hard on a slippery surface, pump the brakes lightly instead of applying constant pressure. ISO 46 vs AW 46 Hydraulic Oil: Are ISO And AW Oil The Same? You are driving a new truck with a manual transmission. Can federal inspectors inspect your truck or bus? The parking or emergency brake is separate from the hydraulic brake system. When helper needs to be used to back your vehicle? Air pressure in tires increases with the temperature. Drinker can control how fast his body absorbs alcohol he gets. Which of these you should NOT do in an emergency situation? Obtain an old toaster and disassemble it. As soon as the wheels start rolling, apply the brakes fully again. The stab method is not considered the safest or best way o stop your vehicle. This cookie is set by GDPR Cookie Consent plugin. You must exit a highway using an off-ramp that curves downhill. The snub method will be the safer one to use as you are using your gear shift to help you slow down. Be first to know about the latest update and access free materials only It is the quick way to do that but not the safest way. What is counter steering? Vehicle's fishtail What is a least amount of space that you need to have in front of your vehicle? Only when a person who has the hazardous materials endorsement rides in the vehicle. Release the parking brakes as you apply engine power, When driving at winter weather, you should check that the heater is working properly before starting your trip. When the temperature drops, the bridges freeze before the road. How to Handle Difficult Customers as Delivery Truck Drivers. 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. Cracking is likely to occur but is not a safety threat, In your mirror you see a car approaching from the rear. to install app. Skidding decreases the effectiveness of the brakes and increases stopping distance. When you are starting to move up a hill from a stop? B. When you're finished, check your score and results. In mounting driving you will have to use a lower gear to drive safely on a grade. CDL General Knowledge Flashcards | Quizlet When driving on a low-traction road, like in a rainy, muddy, or snowy environment, there is a high possibility that your vehicle could slip out of control. You should brake in a way that will keep your vehicle in a straight line and allow you to turn if it becomes necessary. Make turns as gently as possible. As the blood alcohol concentration BAC goes up what happens? c) Hazardous materials. The stab braking method for emergency stops involves fully applying the brakes until they lock up. It is important to prevent the wheels from locking up while performing an emergency brake in a car for several reasons. There is no emergency involved either as this will take a while before you slow down or come to a stop. C. Anti-lock brakes. Apply the brake all the way. However, you will have to combine the technique with pre-corner braking. No. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Take more free practice tests for other CDL topics with our. Your email address will not be published. It a great app to study for your CDL tests, Your email address will not be published. Then you are to release the brake and let the wheels roll a bit before repeating that step. Warning devices for parked vehicles. the purpose of retarders is to. C) Help prevent skids and reduce brake wear. Those tires can blow or be damaged further. A Prescription drugs are allowed if a doctor says they will not affect the driving ability. Whenever you double your speed your vehicle has about how many times of destructive power if it crashes? Cargo doors and / or cargo securement. Which of these would NOT help if windshield covered with ice? None: newer trucks can coast down hills. Whats the difference between stab braking and controlled braking? Can bond order be used for quantitative comparisons of the strengths of chemical bonds? You should wear a seat belt in a moving vehicle? Stop and make sure that a clearance is high enough. When should you use stab braking? Class A CDL Test #2 (General Knowledge) - Chegg When to release the brakes on a car? 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. Which of these is NOT a type of retarders? The leaf has an emissivity of 0.85 and a specific heat of 0.80kcal/kgK.0.80 \mathrm{kcal} / \mathrm{kg} \cdot \mathrm{K} .0.80kcal/kgK. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. What can this cause when the brakes are applied? \text{$s_{3}$} & \text{$s_{1}$} & \text{$s_{1}$} & \text{$s_{0}$} & \text{0}\\ Which of these do NOT provide extra gears on some trucks? If you need to make a larger steering adjustment or if the wheels lock, release the brakes. [California Commercial Driver Handbook] Explore more questions Take more free practice tests for other CDL topics with our dmv cdl practice tests now! 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. Dimmed when you are within 100 feet of another vehicle. Extra care is needed to keep your vehicle centered in your lane because commercial vehicles? D | Carnewscast, stab braking should not be used on vehicles with, View10+ free bank logs with email access 2021 is highly appreciated, View 10+ car detailing concord ma is highly appreciated, 10+ a different mirror chapter 1 pdf most view, See now 9+ wells football standard information. A lower gear that you would use to climb the hill. The use of the brakes on a downgrade add to the braking effect of the engine, The coolant temperature gauge should be read right to normal. Should never be used. Stab or Controlled Breaking Which Best/Fastest - TruckersReport.com Cannot be used on interstate highways. Just be sure to keep an eye on your brake pads and make sure they are replaced when necessary. C C. Anti-lock brakes. Sometimes pumping the brake pedal will generate enough hydraulic pressure to stop the vehicle. 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? When you understand how the ABS works, then you will understand why you do not use the stab method with those vehicles. Simply click in your answer to each CDL practice test question. You should? 8. Which of these is NOT a good rule to follow while driving a heavy vehicle? Save my name, email, and website in this browser for the next time I comment. To avoid an accident you moved to the shoulder. If the wheels lock up, you must release the brakes, free up the wheels, and then reapply them fully. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Unstable loads such as hanging meat or livestock require extra caution on curves. But opting out of some of these cookies may affect your browsing experience. explanation In stab braking, the wheels are intentionally locked and unlocked. Stab Braking: Use only on vehicles without anti-lock brake systems. In a bad weather many car drivers tailgate large vehicles. Stab braking should not be used on vehicles with - Study With Us! At this point, it is hard to control your car or maneuver back into position. (All pressures are absolute unless otherwise stated.) Which of these is true about hazardous materials? Many drivers reported that their vehicles, especially SUVs and Trucks, tumbled when using the stab braking when cornering. B When the driver panics and presses the brake pedal too hard, the brakes can overheat and lock up. A Which of these pieces of emergency equipment must always be carried in your vehicle? to install app, Stab braking can only be done in vehicles without anti-lock brake systems (ABS). Which of these does NOT affect your choice of gear? B. If you use any other braking method with the ABS, you can use the controlled braking method. This cookie is set by GDPR Cookie Consent plugin. Brake shoes should not have oil, grease or brake fluid on them. Ice should be removed from the radiator shutter. Pump the Brakes. In stab braking, the wheels are intentionally locked and unlocked. Start at the inside lane and swing right as you turn. Necessary cookies are absolutely essential for the website to function properly. Brake hard to avoid hitting it. Signal early, and change lanes slowly and smoothly. Which of these is not required knowledge of driver needed a hazardous material endorsement? (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. The cookies is used to store the user consent for the cookies in the category "Necessary". Vehicles fishtail Wait to change lane until you are sure that car is not in your blind spot. When you understand how the ABS works, then you will understand why you do not use the stab method with those vehicles. When should stab braking not be used? - Short-Question These cookies will be stored in your browser only with your consent. The second situation is when you have bald or damaged tires. NextstateOutputPresentstatePresentinputabcs0s1s0s30s1s1s3s01s2s3s2s10s3s1s1s00\begin{array}{llllr} D Should only be used on slick roads. explanation Stab braking can only be done in vehicles without anti-lock brake systems (ABS). What kind of optional equipment(except tire wrench) could be in your vehicle? The stab method is supposed to slow your car without burning the brakes or over-heating them. A car suddenly cuts in front of you, creating a hazard. Stab braking is a technique that can be used to slow down your car quickly and safely, and its something that all drivers should know how to do. This will keep the wheels from locking on you. severe) referring to the. 4 How would you use the stab braking technique during emergency braking? 10. 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. C. 4/32 inch tread depth is the maximum allowed on drive tires. It can take up to 1 second for the wheels to start rolling after you release the brakes. The brakes are then released until the wheels start rolling, and then the process is repeated. Stab braking is safe and relatively easy to use if you know how to use it. No because the other brakes will make up for a brake that is out of adjustment. But it also takes more time to stop so it is not good in an emergency situation. 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 your brakes fail on a downgrade, you must first? What should you do if you are unsure whether you have enough overhead clearance? While carrying out the process, the wheel can move freely. Air braking takes more time than hydraulic braking because air brakes: A Need to have airflow through the lines to work. Which of these about alcohol is NOT true? Steering wheel play of more then 10 degrees ( 2 inches on 20 inches steering wheel), They show the wider area than flat mirrors show. Look to the right lane or edge markings of the road. Because you cannot see you should back slowly until you slightly bumped into the dock, The distance that you should look ahead of your vehicle while driving is about _______ at low speed. You are driving a heavy vehicle. You should always turn on your emergency four-way flasher when you ? 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. Which of these is the proper way to signal to change lanes? When you apply pressure at one end of a hydraulic brake line, the same amount of pressure is immediately transferred to the other end. Empty trucks take longer to stop than if loaded, but this is not the normally case for buses. When the wheels lock under challenging situations, it is nearly impossible for drivers to maneuver out of danger, and they end up losing control of the car. A Be first to know about the latest update and access free materials only D Or if you do it too sharply, your car can fishtail and cause damage to more than your car or truck. 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? Apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process. What is true about bad weather and driving conditions? Which of these items is NOT checked for a pre-trip inspection? Which of these is true about hours of service? Answer: C. Anti-lock brakes The road is dry and visibility is good. stab wound). It could be dangerous whenever you speed and hit the brake hard, as it is nearly impossible to steer safely into position by yourself. All of the above. Only when the vehicle does not require placards. Team Driving vs. Solo Driving What is Better. A Which of the statement about backing a heavy vehicle is NOT true? What should you do when vehicle hydroplanes? When the brakes are applied, Electronic sensors detect how quickly the wheels are slowing down. Stab braking ( or Cadence braking as it is also called ) is a technique that can be used in a car that doesnt have an ABS system. The brakes are then released until the wheels start rolling, and then the process is repeated. You do not have a hazardous materials endorsement on your commercial drivers license. To prevent the wheels from locking up, drivers should use the stab braking technique in cars without ABS systems when it is safe to do so. You should avoid backing whenever you can. Spring brakes C. Anti-lock brakes. Which of these is true about hauling hazardous materials? One of these situations when you should not use stab braking, is when cornering.
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