What keeps an engine cool in a hot weather driving? If your brakes fail on a downgrade, you must first? B) Help slow the vehicle while driving and reduce brake wear. You must exit a highway using an off-ramp that curves downhill. When can you drive a vehicle hauling hazardous materials? No. 1 second for each 10 feet of vehicle length, Often makes you sleepy and should not be used while driving. When starting a bus on a level surface with good traction there is often no need for ? Should be used by any driver who loses braking power on a vehicle, Depends on the service brakes being an adjustment. Are caused by going too fast or trying to stop too quickly. However, it may be the only way to stop very quickly. Brake drums (or discs) must not have cracks longer than _______ the width of the friction area, Is any road condition or other road user that is possible danger. Not everyone is in favor of using this method as you can burn your brakes. Which of these is NOT something you should do if your headlights are not working properly? C Involves steady pressure on the brake pedal. Which of these statements about cargo loading is true? Involves locking the wheels. This website uses cookies to improve your experience while you navigate through the website. 3. If you're experiencing hot and cold flashes, you may be coming down with a cold or flu and need a longer rest. If the sensors detect that the wheels are about to lock up, they signal the ABS pump to rapidly apply and release brake pressure at each wheel. Stab braking is all about braking hard and braking fast. Or if you do it too sharply, your car can fishtail and cause damage to more than your car or truck. D Which of these actions should you NOT take? Empty trucks take longer to stop than if loaded, but this is not the normally case for buses. 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. Never C 7. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. What kind of optional equipment(except tire wrench) could be in your vehicle? Stab braking should not be used on vehicles with: (a) Trailers (b) Hazardous materials (c) Anti-lock brakes 1 Answer 0 votes answered May 5, 2022 by Haren (305k points) Best answer Correct answer is (c) Anti-lock brakes Stab braking should not be used on vehicles with Anti-lock brakes. When they do, you are to hit the brakes again. Just like the ABS, this technique can only be used in specific areas or situations. D C. Anti-lock brakes. The stab braking method is excellent for applying emergency brakes while allowing your vehicle to move freely. Which of these is true about the use of drugs while driving? Which of these is not a type of retarder? The closest adverb form is the awkward "stabbingly" (e.g. A Vehicles with anti-lock brakes. Cracking is likely to occur but is not a safety threat, In your mirror you see a car approaching from the rear. 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? QR code 2 hours or every 100 miles. B 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. Stab braking, can only be done in vehicles without antilock brake systems (ABS). Which of these is the most important? What is the index of the top element of the stack? There are too many risks for skidding, sliding, or fishtailing when you apply this method. Stab braking allows drivers to lock the wheel of their vehicle whenever they brake hard. When it is necessary to learn how a fire extinguisher works? A Which of these is NOT a danger of a rough acceleration? A child sits on a rotating merry-go-round, 2.3m2.3 \mathrm{~m}2.3m from its center. Law and restrictions can vary from place to place. The reading is 95.00cm95.00 \mathrm{~cm}95.00cm. The key to using either system is not to panic or be afraid. B You are given your consent to be tested for alcohol in your blood. Look outside your vehicle for another means of slowing you. You should pump the brake pedal three times then apply firm pressure to the pedal for five seconds. A lower gear that you would use to climb the hill. When you're finished, check your score and results. This is similar to stab braking and some people use the terms stab and snub interchangeably. Spring brakes C. Anti-lock brakes. But traffic is now heavy, moving at 35 mph though the speed limit is 55. A It has the information you want to know about so you can determine if this is a good method to use or not. The heavier vehicle is or the faster it is moving, the more heat the brakes have to absorb to stop it. The space your vehicle is most important to manage. No because the other brakes will make up for a brake that is out of adjustment. There are many different methods you can use when going down steep mountain roads and through hairpin curves. If you need to make a larger steering adjustment or if the wheels lock, release the brakes. At a special brake testing center only. Stop and make sure that a clearance is high enough. With the help of the relation: VV=PP\frac{V}{V^{\prime}}=\frac{P^{\prime}}{P}VV=PP or DD=PP\frac{D}{D^{\prime}}=\frac{P}{P^{\prime}}DD=PP determine the asked quantity. This technology first became widely available in the 1980s, and it has since become standard equipment on most new vehicles. Are traveling too fast for the road conditions and you hit your brakes repeatedly to slow the vehicle down? All hazardous materials present health and safety danger. C This braking method is used with cars that do not have the ABS feature or have it deactivated. 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! In this blog post, well explain what stab braking is, how to do it correctly, and when you shouldnt use it. Turning the wheel in the opposite direction after steering to avoid a traffic emergency. Why does air braking takes more time than hydraulic braking? \text{ } & \text{Next state} & \text{ } & \text{ } & \text{Output}\\ You are driving a vehicle that safely could be driven at 55 mph on an open road. Which of these is not something you should do if your headlights are not working properly? In addition, the stabbing braking method can also be helpful when you lose control of the vehicle when driving downhill. Is stab an adverb? One of these situations when you should not use stab braking, is when cornering. Just be sure to keep an eye on your brake pads and make sure they are replaced when necessary. Otherwise the tire may blow out or catch fire. The best drivers are who watch and prepare for hazard? Air can be compressed, brake fluid cant. Which of these statements about backing a heavy vehicle is true? At this point, it is hard to control your car or maneuver back into position. What are the conflicts in A Christmas Carol? Your brake can get wet when you are driving through the heavy rain. B Release brakes when wheels lock up. Release the brakes when the wheels lock up. First, if the wheels lock up, the car will skid. The engine brake effect is greater when the engine is_______ governed RPM and the transmission is on a _____ gear. C. 4/32 inch tread depth is the maximum allowed on drive tires. 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. The eyes see a hazard to the time the brain knows that this is a hazard. To avoid an accident you moved to the shoulder. The anti-lock braking system is a safety feature in many modern vehicles. 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. On the air-brake system the driver must pump or use stab braking in an emergency. Which of these statements about certain types of cargo is true? If the brakes are working properly, the pedal should? Which of these is true about tires and hot weather? Which of these pieces of emergency equipment should always be carried in your vehicle? You should? Should brakes adjustments be checked often: No because the other breaks will make up for a brake that is out of adjustment. Which of these lights cannot be checked at the same time? This is CDL General Knowledge Test 7in our original Classic Mode. B Stab braking, can only be done in vehicles without antilock brake systems (ABS). Harvest Host Bad Reviews and Complaints (Is It Worth It? In a mountain driving you should go slow for safety. Answer: C. Anti-lock brakes More : Stab braking should not be used on vehicles with: A. Trailers. Apply the brake all the way. B. While carrying out the process, the wheel can move freely. Using the stab braking method is unnecessary when your vehicle comes with ABS. With both hands on opposite sides of the will. Darius Saczuk. But opting out of some of these cookies may affect your browsing experience. 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. Fire extinguishers. Usually, you do this when there is either plenty of room between you and the car in front of you or there is no one in front of you and you have a lot of distance to slow down. Explain how you would go about reassembling it by the automated assembly. 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. As the blood alcohol concentration BAC goes up what happens? C Apply your brakes all the way. In air brake vehicles, the parking brake should be used: Anytime the vehicle is parked. help slow the vehicle you are driving and reduce brake wear. With the ABS, you only have to hit the brake once and hold down, and the wheels will automatically be free to move. These cookies ensure basic functionalities and security features of the website, anonymously. It would be best if you had the proper knowledge about stab braking and how it functions before attempting to use it. TruckingTruth, 6.Using Air Brakes And Stopping Distance TruckingTruth, 7. How to Handle Difficult Customers as Delivery Truck Drivers. The answer is no. There is no emergency involved either as this will take a while before you slow down or come to a stop. Which of these is NOT a brake check you normally do during your walk-around inspection? yes and they have the authority to place you out of service. It is not because the technique is not suitable for cornering but because they need to learn how to use it when cornering. It is less dangerous to drive onto the shoulders than to make a collision. Which of these problems, if found, should be fixed before the vehicle is driven? Your vehicle will be put out of service if ______ or more leaves in any leaf spring are missing. [California Commercial Driver Handbook] Explore more questions Take more free practice tests for other CDL topics with our dmv cdl practice tests now! We also use third-party cookies that help us analyze and understand how you use this website. This prevents the wheels from locking up, and helps the driver maintain control of the vehicle. Vehicles with or without ABS can still lock up, depending on how hard the breaks are applied, conditions on the road, or in the case of ABS, mechanical failure. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. As a result, abrupt braking should be avoided when operating an antilock brake vehicle. The technique is mainly used with older generations of cars. You will know you are over heating your brakes when you smell the burnt odor and see the smoke coming from the axle. 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? or get instant According to some owners, this is not a very safe method to use as you lose control over your steering and tires. This way, the vehicles speed will have reduced drastically, and you can easily steer the car out of danger. 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. It is not important how you brake in an emergency situation. People often opt for the stab braking method when turning their cars. ), Stab Braking Should Not Be Used on Vehicles With. You do have to do it many times until you slow down to a safe speed. 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. 10. Sometimes pumping the brake pedal will generate enough hydraulic pressure to stop the vehicle. In other words, theres no need to pump the brakes yourself when you have an ABS system it will do it for you! Which of these is not one of them? A The brakes are applied every time you reach your safe speed for each gear. Save my name, email, and website in this browser for the next time I comment. Poisonous fumes can enter into the cab or sleeping compartment. Stab braking: A Should never be used. Handling difficult customers is necessary to succeed in this line of work. Then you are to release the brake and let the wheels roll a bit before repeating that step. What other two military branches fall under the US Navy? This cookie is set by GDPR Cookie Consent plugin. Stab braking allows drivers to lock the wheel of their vehicle whenever they brake hard. How far back should you place your reflective triangles? How chemistry is important in our daily life? Which of these statements about Cargo loading is true? C These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Apply the brakes about halfway, but allow the wheels to keep rolling. 4 How would you use the stab braking technique during emergency braking? 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. A straight truck brake system should not leak at a rate of more than psi per minute with the . 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. Instead, use controlled braking. 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 true about proper use of a steering wheel? 4. Warning devices for parked vehicles. Involves steady pressure on the brake pedal. If you have convicted of a commercial vehicle under influence of alcohol or drug you will loose your CDL for? Can state inspectors inspect your truck or bus? or get instant However, you may visit "Cookie Settings" to provide a controlled consent. As a result, you can maneuver the car to whatever position you want to avoid a possible crash. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". As soon as the wheels start rolling, put on the brakes fully again. Also, you can use the stab braking method when cornering. to install app, Stab braking can only be done in vehicles without anti-lock brake systems (ABS). | 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. 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. If you need to tilt a cab, secure loose things so that they could not fall or break anything. Stab Braking Should Not Be Used on Vehicles With ABS or some other anti-locking braking system. Using the steering axle brakes to prevent over steering. In 1-2 second intervals, you've significantly reduced the brake, so the remaining time will let the brakes cool for the next cycle. This article will discuss some tips and strategies for handling difficult customers as delivery truck drivers. What equipment is necessary for safe securement for people who use their wheelchair as a vehicle seat? The stab braking method for emergency stops involves fully applying the brakes until they lock up. Release the brakes when the wheels lock up. C If you cannot see well with your headlights, which of the actions may help? The tread depth on a front steering wheels tires should be? Extra care is needed to keep your vehicle centered in your lane because commercial vehicles? Answer: C. Anti-lock brakes Lastly, this braking technique will help prevent your brakes from wearing out prematurely. Clear the area B. Wait to change lanes until you are sure the car isn't in your blind spot. Apply the brake all the way. When looking ahead of your vehicle while driving you should look: Which of these statements about marking a stopped vehicle is true? 1/4 mile. C. Anti-lock brakes. When should you use stab braking? A higher gear that you would use to climb the hill. A leaf of area 40cm240 \mathrm{cm}^{2}40cm2 and mass4.5104kg\mathrm{mass} 4.5 \times 10^{-4} \mathrm{kg}mass4.5104kg directly faces the Sun on a clear day. What should you do if a car coming toward you at night keeps its high beams on? Yes, because the brakes can get out of the adjustment when they are used a lot. Join 50,000+ users around America to get your Commercial Driver License today! It will take a full second or two before the wheels begin to roll again. 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? If you are not sure what to use to put out the hazardous material you should? The marking is a red triangle with an orange center. The ABS is designed to keep control of your vehicle in your hands and you do not want to mess with that protection. Although the stab braking method is mainly used in older model cars, it can still be applicable in modern vehicles. Fishtailing In Car Explained What To Do If It Happens, What Is Shuffle Steering? Perception distance is the distance your vehicle travels from the time? You can see a marking on a vehicle ahead of you. Most cars on the road today have some form of anti-lock braking system, or ABS. If you must stop into the oncoming lane as you make a turn, you should? of stack.top is 5. After doing this, you can release the brakes, and you will notice that the wheels are free to spin. With the above information sharing about stab braking should not be used on vehicles with on official and highly reliable information sites will help you get more information. ), Common Weigh Safe Hitch Problems and Review (Are They Good? It is important to prevent the wheels from locking up while performing an emergency brake in a car for several reasons. Should only be used on slick roads. What can this cause when the brakes are applied? [California Commercial Driver Handbook], It a great app to study for your CDL tests, Your email address will not be published. It will then directly bring down and increase the pressure from the brakes. Air Compressor and Air System Pressure - You should be . Emergency stab braking is when you: Brake as hard as you can, release the brake when the wheels lock, then push the brakes again when the wheels start rolling. Prescription drugs are allowed if a doctor says they will not affect the driving ability. Which of these statements about hazard of vehicle fire is true? Stab braking can also be dangerous if done too abruptly, as it can cause the car to fishtail or spin out of control. An en-route inspection should include checking: It could be dangerous whenever you speed and hit the brake hard, as it is nearly impossible to steer safely into position by yourself. ISO 46 vs AW 46 Hydraulic Oil: Are ISO And AW Oil The Same? You can refer to the, The following summaries about electric concrete saw rental will help you make more personal choices about more accurate and faster information. To return to the road? When roads are slippery, you should: You should lightly apply your brakes to flash the brake lights if? Then you are down shifting at the same time till you get to your safe speed in the gear you are in. The stab method is supposed to slow your car without burning the brakes or over-heating them. Heavy vehicles often move slower than others. D Which of these would NOT help if windshield covered with ice? 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. Be first to know about the latest update and access free materials only Can federal inspectors inspect your truck or bus? 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. A Continuously pumping the brake will prevent the technique from working as intended. The time to use the stab method of braking is when your vehicle does not have ABS installed. If a tire is too hot to touch, remain stopped until the tire cools off. Find another route that will not require driving under the object. Keep your following distance (the space between you and the vehicle ahead) constant, or make it larger if you can. Perception distance, reaction distance and braking distance. If you dont have an ABS system in your car, stab braking is a great way to stop quickly in an emergency. When driving on cold weather your tire tread should? In this way, your vehicles speed would reduce significantly before cornering, allowing you to maintain control of the steering when entering the corner. 2.Stab braking should not be used on vehicles with Study With Us! 10, 100 and 200 feet from the truck rear. explanation Stab braking can only be done in vehicles without anti-lock brake systems (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. You should avoid backing whenever you can. A Antilock brakes Sometimes you need to leave a road to avoid a hazard or emergency. A Which of these pieces of emergency equipment must always be carried in your vehicle? It is when the stab braking technique comes to play. What should you do before driving in mountains? How much space in front of you is needed while driving on a highway? The cookie is used to store the user consent for the cookies in the category "Performance". Drinker can control how fast his body absorbs alcohol he gets. Tire temperature. Dimmed when you are within 100 feet of another vehicle. When going down a long steep downgrade you should always? A Commercial Drivers License Overview, Trucking Terminology and Transportation Definitions. Which of these is not required knowledge of driver needed a hazardous material endorsement? So keep holding down the brake pedal until the car completely stops. This booklet will cover the most common air brake system designs from 1975 to 2006. Test Score . You can go into a slide or fishtail when you do this method. What should you do when you see a hazard in the roadway ahead of you? Which of these items is NOT checked for a pre-trip inspection? These cookies will be stored in your browser only with your consent. This braking technique is a great way to maintain control of your car and avoid skidding. Putting the vehicle into a lower gear will help to slow the vehicle. Pump the Brakes. On a vehicle with a trailer the trailer can push the towing vehicle sideways. The stab braking and controlled braking method achieve the same result, but the difference is in how they achieve it. Air brakes B. email The stab method is not considered the safest or best way o stop your vehicle. To use the stab braking method, you should: Answers Apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process. D If you have a cellular phone or CB radio you should notify the authorities before existing the vehicle. \text{$s_{1}$} & \text{$s_{1}$} & \text{$s_{3}$} & \text{$s_{0}$} & \text{1}\\ Scan The ABS function uses sensors that immediately sense when the wheel is about to lock whenever you suddenly hit the brake. Also available in App Store & Google Play. 1/4. Which of these rigs have more chances to off-track while making turn? It does not always work out that way. You can reset the test and retake it as needed. Stab braking should not be used on vehicle with? A vehicle is loaded with very little weight in the drive axle. Whenever you double your speed your vehicle has about how many times of destructive power if it crashes? Whats the difference between stab braking and controlled braking? Which of the statements is true about rear drive wheel braking skid? A You can almost always turn to miss an obstacle more quickly than you can stop. Then you will need to use it when you are going down some steep grades and you need to stop quickly. If you do not have a CB radio, what is the first thing you should do at an accident scene. Necessary cookies are absolutely essential for the website to function properly. Such a load should be marked with a four inches diamond shaped labels on the containers. \text{$s_{2}$} & \text{$s_{3}$} & \text{$s_{2}$} & \text{$s_{1}$} & \text{0}\\ While driving, you see a small (1 foot square) cardboard box ahead in your lane. This is not a one-time method. Which of these about alcohol is NOT true? 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. B Steering in the opposite direction from what other drivers expect you to do. During an inspection of hydraulic brakes you should pump the brakes pedal three times ,then apply firm pressure to the petals for five seconds. When the vehicle is moving at about 5 MPH. If you do NOT have a CB-radio what is the procedure you should do on the accident scene? 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 do NOT provide extra gears on some trucks? Protect the accident scene C. Flag down help. Which of the statement about backing a heavy vehicle is NOT true? It can take up to one second for the wheels to start. The snub system is when you only apply slight pressure (20 to 30 psi) on the brakes. As soon as the wheels start rolling, apply the brakes fully again. What can I use if I don't have anti-lock brakes? In emergency situations, sometimes there is no safe way to stop. With this method, you apply the brakes as hard as you can without locking the wheels. Wait for a large enough gap in traffic to enter the road. Which of these is not a good rule to following when caring for injured at an accident scene? Globalizethis aggregates stab braking should not be used on vehicles with information to help you offer the best information support options. Hazardous materials. The drivers manual suggest several things to do when you pass a vehicle. 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. Drivers of trucks and tractors-trailers with cargo must check that the cargo well secured within the first ______ miles of the trip.

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