However, it may be the only way to stop very quickly. If you cannot see well with your headlights, which of the actions may help? General Knowledge CDL Test Flashcards | Chegg.com If youre not comfortable with the technique, make sure to practice it beforehand so that you are familiar with the procedure. \text{ } & \text{a} & \text{b} & \text{c} & \text{ }\\ \hline Check out the video below from a fellow driver demonstrating the stab braking technique. 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. The heavier vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it. Which of these is NOT a good rule to follow while driving a heavy vehicle? Some older model cars may not be equipped with ABS, and some newer model cars may have it as an optional extra that can be added at an additional cost. If you need to make a larger steering adjustment or if the wheels lock, release the brakes. The space your vehicle is most important to manage. It should take 1 second for the wheels to be free after releasing the brakes. Prescription drugs are allowed if a doctor says they will not affect the driving ability. Which of these statements about shipping hazardous materials is true? Stab Braking Explained - What Is It? | Carnewscast \text{$s_{0}$} & \text{$s_{1}$} & \text{$s_{0}$} & \text{$s_{3}$} & \text{0}\\ You do not have a hazardous materials endorsement on your commercial drivers license. 8. What keeps an engine cool in a hot weather driving? Stab or Controlled Breaking Which Best/Fastest - TruckersReport.com At least 100 feet before turning or changing lanes, Generally are used when freight is carried part way by rail or ship. An en-route inspection should include checking: b) Antilock brakes. 5. Why your vehicle speed naturally increases on a downgrade? Should brakes adjustments be checked often: No because the other breaks will make up for a brake that is out of adjustment. In air brake vehicles, the parking brake should be used: Anytime the vehicle is parked. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Reapply the brakes as soon as you can. You should? \text{Present state} & \text{Present input} & \text{ } & \text{ } & \text{ }\\ What Is The Emergency Stab Braking Method? - Vehicle Freak People often opt for the stab braking method when turning their cars. Stab braking, also known as panic braking, is a driving technique used to bring a vehicle to a stop as quickly as possible in an emergency situation. What equipment is necessary for safe securement for people who use their wheelchair as a vehicle seat? Which of these is not required knowledge of driver needed a hazardous material endorsement? Analytical cookies are used to understand how visitors interact with the website. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Your brake can get wet when you are driving through the heavy rain. How much space in front of you is needed while driving on a highway? C 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. If the brakes are working properly the pedal should: Which of these is not true about breaking in an emergency? What should you do if a car coming toward you at night keeps its high beams on? Air Compressor and Air System Pressure - You should be . What Is Stab Braking and How to Do It? Explained Its very difficult to get air brakes to stop as smoothly as hydraulic. Most cars on the road today have some form of anti-lock braking system, or ABS. You are looking : stab braking should not be used on vehicles with, The following summaries about epoxy primer for concrete will help you make more personal choices about more accurate and faster information. It is permissible to use radio and bias-ply tires together on the same axle. Just like the ABS, this technique can only be used in specific areas or situations. D In a parking lot when the vehicle is not moving. Next, apply the brakes about halfway and ensure the wheels are free. Should be used by any driver who loses braking power on a vehicle, Depends on the service brakes being an adjustment. As a result, abrupt braking should be avoided when operating an antilock brake vehicle. In this way, your vehicles speed would reduce significantly before cornering, allowing you to maintain control of the steering when entering the corner. Which of these is NOT something you should do if your headlights are not working properly? To apply the stab brake for an emergency stop, you must first use the brakes and hold the brakes down until the wheels are completely locked. Please refer to the information below. B Lastly, this braking technique will help prevent your brakes from wearing out prematurely. Brake hard to avoid hitting it. c) Hazardous materials. Descriptions: Stab braking should not be used on vehicles with: A. Trailers. Which of these statements about certain types of cargo is true? Law and restrictions can vary from place to place. email Rust around wheel nuts may mean that they are loose. Scan Which of the statements about braking is true? B Look to the right lane or edge markings of the road. Which of these statements about backing a heavy vehicle is true? Which of these is true about tire pressure? A child sits on a rotating merry-go-round, 2.3m2.3 \mathrm{~m}2.3m from its center. You should also never use the stab braking technique in modern cars with ABS systems in place. 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. All you need to do is hit and release the brake pedal before you enter the intersection. 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. What happens to tar on the road pavement during hot weather? When you do so you should keep in mind, that ? Many heavy vehicle accidents occur between midnight and 6 am. Air can be compressed, brake fluid cant. QR code If your brakes fail on a downgrade, you must first? 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. If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflective triangle should be moved back down the road to give adequate warning. Why it is important to shift gears correctly? Why a damage of exhaust system is a danger? This cookie is set by GDPR Cookie Consent plugin. Cannot be used on interstate highways. Section 5: Air Brakes - California DMV Which of these is not a danger when an automatic transmission is forced into a lower gear at high Speed? The ABS already serves as an automatic stabbing method, so you do not need to go through all the stress of hitting the brake pedal, releasing and hitting it again. Which of these is NOT a brake check you normally do during your walk-around inspection? which of these statements is true about mirror adjustments. C. Anti-lock brakes. Otherwise the tire may blow out or catch fire. What Is The Emergency Stab Braking Method? (Snub vs Stab) 2 hours or every 100 miles. Using Air Brakes And Stopping Distance - TruckingTruth ABS systems help prevent wheels from locking up by automatically regulating the pressure on the brakes so that they dont overheat. the purpose of retarders is to. The ABS is designed to keep control of your vehicle in your hands and you do not want to mess with that protection. Apply the brake all the way. The cookies is used to store the user consent for the cookies in the category "Necessary". Should brake adjustments be checked often? Given that a student measures the length of a brass rod with a steel tape at 20.0C20.0^{\circ} \mathrm{C}20.0C. Which of the statements is true about using engine brake? Why does air braking takes more time than hydraulic braking? Which of these statements about hazard of vehicle fire is true? Apply the brakes completely until the wheels lock up and the vehicle stops. \text{$s_{3}$} & \text{$s_{1}$} & \text{$s_{1}$} & \text{$s_{0}$} & \text{0}\\ You should adjust your mirrors before starting the trip. Then you should not use this on icy or wet roads. This braking method is used with cars that do not have the ABS feature or have it deactivated. Which of these is not something you should do if your headlights are not working properly? You wish to change lanes you should. However, the stab braking technique can still help you; significantly when you are speeding and are about to hit a corner. The purpose of retarders is to: A) Apply extra braking power to the non-drive axles. One of these situations when you should not use stab braking, is when cornering. There are too many risks for skidding, sliding, or fishtailing when you apply this method. When looking ahead of your vehicle while driving you should look: Which of these statements about marking a stopped vehicle is true? If you must brake hard on a slippery surface, pump the brakes lightly instead of applying constant pressure. You are inspecting hydraulic brakes. 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. Using mirrors and turn signals turn sharply to get back to the road. A Commercial Drivers License Overview, Trucking Terminology and Transportation Definitions. The technique is used when a driver needs to stop the vehicle . The stab method is supposed to slow your car without burning the brakes or over-heating them. B When the vehicle is traveling downhill without a load. What is the best advice for driver when heavy fog occurs? When should stab braking not be used? - Learn Answer 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. Which of these statements about an inspection of the suspension components is true? A If you must stop into the oncoming lane as you make a turn, you should? \text{$s_{2}$} & \text{$s_{3}$} & \text{$s_{2}$} & \text{$s_{1}$} & \text{0}\\ C When you understand how the ABS works, then you will understand why you do not use the stab method with those vehicles. This braking technique is a great way to maintain control of your car and avoid skidding. Brake temperature. But traffic is now heavy, moving at 35 mph though the speed limit is 55. 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. This procedure is to be done till your vehicle is traveling at a safe slow speed. You can use the controlled braking method or the stab braking method. Steering in the opposite direction from what other drivers expect you to do. You should signal continuously while turning because? This article will discuss some tips and strategies for handling difficult customers as delivery truck drivers. You can use the controlled braking method or the stab - Course Hero A. Globalizethis aggregates stab braking should not be used on vehicles with information to help you offer the best information support options. How do you correct a rear wheel acceleration skid? 10. 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. You are driving a vehicle that safely could be driven at 55 mph on an open road. Never [California Commercial Driver Handbook] Explore more questions Take more free practice tests for other CDL topics with our dmv cdl practice tests now! Yes and they can put you out of service if unsafe. Stab braking can also be dangerous if done too abruptly, as it can cause the car to fishtail or spin out of control. While driving, you see a small (1 foot square) cardboard box ahead in your lane. If your vehicle catches fire while you are driving, you should? The best drivers are who watch and prepare for hazard? Short term or daily rental truck drivers are often not used to the limited vision and pose hazard. Signal other drivers when it is safe to pass you, They may move slowly, unexpectedly change lanes or stop. You should not use stab braking on which of the following vehicles? Only when the vehicle does not require placards. The same gear you would use to climb the hill. Turned on when an oncoming driver does not dim his or her lights. D=1.65kg/m3,P=87.0kPa,D=1.85kg/m3D=1.65 \mathrm{~kg} / \mathrm{m}^3, P=87.0 \mathrm{~kPa}, D^{\prime}=1.85 \mathrm{~kg} / \mathrm{m}^3D=1.65kg/m3,P=87.0kPa,D=1.85kg/m3; find PP^{\prime}P. Wait for a large enough gap in traffic to enter the road. Tires of mismatched sizes should not be used on the same vehicle. Harvest Host Bad Reviews and Complaints (Is It Worth It? Which of these actions should you NOT take? For instance, people have run into trouble using the stab braking when cornering. Flashcards - general knowledge cdl - FreezingBlue Then you will need to use it when you are going down some steep grades and you need to stop quickly. Which of these do NOT provide extra gears on some trucks? You are given your consent to be tested for alcohol in your blood. C The stab method is not considered the safest or best way o stop your vehicle. You can use the controlled braking method or the stab braking method. If a tire is too hot to touch, remain stopped until the tire cools off. You must keep the papers about hauling hazardous materials? Whats the difference between stab braking and controlled braking? This prevents the wheels from locking up, and helps the driver maintain control of the vehicle. It would be best only to release the brake pedal when the wheels are still locked. Stab braking should not be used on vehicles with, A full stop is required at a railroad grade crossing when, The nature of the cargo makes a stop mandatory under state or federal regulations, Which of the system should receive extra attention during the winter weather inspection. 4. In a bad weather many car drivers tailgate large vehicles. Suppose that stack is an object of type stackType and the value stab braking should not be used on vehicles with anti-lock brakes you may get hung up on railroad track when the have a steep approach which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle heavy vehicles need larger gaps in traffic than cars When the temperature drops, the bridges freeze before the road. Which of these is true about commercial vehicle habit of swinging wide on turns? \end{array} Class A CDL Test #2 (General Knowledge) - Chegg 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? Stab braking should not be used on vehicles with: Antilock brakes Sometimes you need to leave a road to avoid a hazard or emergency. Which of these items is NOT checked for a pre-trip inspection? 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. Apply your brakes all the way. 3 Why does air braking takes more time than hydraulic braking? [California Commercial Driver Handbook], It a great app to study for your CDL tests, Your email address will not be published. D D D This method may not work if you only have seconds to slow down and stop. As soon as the wheels start rolling, apply the brakes fully again. Vehicle's fishtail ), Common Weigh Safe Hitch Problems and Review (Are They Good? Should only be used on slick roads. B Those tires can blow or be damaged further. It could be dangerous whenever you speed and hit the brake hard, as it is nearly impossible to steer safely into position by yourself. to install app. You are driving a heavy vehicle. C You can refer to the answers, The following summaries about e town concrete merch will help you make more personal choices about more accurate and faster information. 7. How long is it safe to use nicotine lozenges? Also, ensure that you do not use stab braking if your car is equipped with ABS; it is highly unnecessary and could make the ABS less effective. (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. If you're going 50, step on the brake halfway through or even more, and drop the speed rapidly to 45-40. When you hear the screeching sound, you release the brake pedal and hit it hard again within a second. yes and they have the authority to place you out of service. They may drive slowly and make sudden stops or lane changes. If you must brake hard on a slippery surface, pump the brakes lightly instead of applying constant pressure. It is because the ABS uses sensors, which are prone to get damaged like other electrical components of the car. Heavy vehicles often move slower than others. It bleeds making the road surface slippery. Which of these is true about hazardous materials? This is a good response if there s enough distance to stop, and you use the brakes correctly. Pros and Cons of this Technique, 9 Reasons Why Car Detailing Is Great For Your Vehicle, Best Oil for Audi Q5: Top Recommendations for Peak Performance, Garage Door Security: Top Tips to Protect Your Vehicles, How Autonomous Vehicles are Changing the Future of Transportation. (All pressures are absolute unless otherwise stated.) B. Required fields are marked *. You will be placed out of service for 24 hours if your blood alcohol concentration (BAC) is at least? Free Flashcards about General Knowledge 2 - StudyStack So, if you find yourself in a situation where you need to brake hard and use the stab braking technique, dont hesitate! With both hands on opposite sides of the will. 16:04 Mar 12, 2023. ABS acts as an automatic stabbing affect even when you apply constant pressure on the brake pedal, as in controlled breaking. It can take up to one second for the wheels to start. A 9+ stab braking should not be used on vehicles with most standard Release the brakes when the wheels lock up. What gear will you probably have to use to take a long downhill grade? or get instant There is no emergency involved either as this will take a while before you slow down or come to a stop. No because the other brakes will make up for a brake that is out of adjustment. Which of these is the proper signal to change lane? Apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process. This cookie is set by GDPR Cookie Consent plugin. Which of these you should NOT do in an emergency situation? It does not always work out that way. Controlled braking. If you had a heavy load that is slowing you down on a turn you should: What will the tape indicate for the length of the rod when the rod and the tape are at 55.0C55.0^{\circ} \mathrm{C}55.0C? When the vehicle is traveling downhill without a load. If you wish to change the lane, you should? How the weight of the vehicle affects stopping distance? What is the ABS Module, and how does it work? 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. B When the vehicle is moving at about 5 MPH. ISO 46 vs AW 46 Hydraulic Oil: Are ISO And AW Oil The Same? 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.

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