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BRAKE PRACTICE FINAL SCRIPT 2026 FULLY
SOLVED ANSWER COLLECTION
โ Of the choices below, the first thing to do when a low air pressure warning comes on is: a. Stop and safely park as soon as possible. b. Shift to next higher gear. c. Adjust the brake pedal for more travel. d. Open the air supply control valve.. Answer: a. Stop and safely park as soon as possible. โ The air compressor governor controls: a. The speed of the air compressor. b. When the brake chambers release pressure. c. Air pressure is applied to the brakes. d. When air is pumped into the air tanks.. Answer: d. When air is pumped into the air tanks. โ The braking power of the spring brakes:
a. Is not affected by the condition of the service brakes. b. Can only be tested by highly trained brake service people. c. Depends on the service brakes being in adjustment. d. Increases when the service brakes are hot.. Answer: c. Depends on the service brakes being in adjustment. โ To test air service brakes, you should brake firmly when moving slowly forward. The brakes are "OK" if you notice: a. A delayed stopping action. b. An unusual feel. c. The vehicle "pulls" to one side. d. None of the above.. Answer: d. None of the above. โ On long downhill grades, experts recommend using a low gear and light pedal pressure instead of on-again, off-again braking. Why? a. Air usage is less with light steady pressure. b. Brake linings do not heat up as much with light pressure.
โ The application pressure gauge shows how much air pressure you: a. Have used this trip. b. Have in the air tanks. c. Are applying to the brakes. d. None of the above.. Answer: c. Are applying to the brakes. โ If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks? a. After every four hours of service. b. At the end of each day of driving. c. Once a week. d. Every other week.. Answer: b. At the end of each day of driving. โ You should know that your brakes are "fading" when: a. You have to push harder on the brake pedal to control your speed on a downgrade.
b. The brake pedal feels spongy when pressure is applied. c. Pressure on the brake pedal is released and speed increases. d. Less pressure is needed on the brake pedal for each stop.. Answer: a. You have to push harder on the brake pedal to control your speed on a downgrade. โ If your vehicle has an alcohol evaporator, every day during cold weather you should: a. Change the alcohol from a new bottle. b. Clean the air filter with alcohol. c. Check the oil for an alcohol content. d. Check and fill the alcohol level.. Answer: d. Check and fill the alcohol level. โ The brake pedal in an air brake system: a. Controls the speed of the air compressor. b. Is seldom used, compared to hydraulic systems. c. Controls the air pressure applied to put on the brakes. d. Is connected to slack adjusters by a series of rods and linkages.. Answer: c. Controls the air pressure applied to put on the brakes.
c. Spring pressure d. Centrifugal force. Answer: b. Air Pressure โ Total stopping distance for air brakes is longer than for hydraulic brakes due to _______ distance. a. Perception b. Reaction c. Brake lag d. Effective braking. Answer: c. Brake lag โ The most common type of foundation brake found on heavy vehicles is the: a. Disc. b. Wedge drum. c. S-cam. d. None of the above.. Answer: c. S-cam.
โ The air loss rate for a straight truck or bus with the engine off and the brakes on should be more than: a. 1 psi in 30 seconds. b. 1 psi in 1 minute. c. 2 psi in 45 seconds. d. 3 psi in 1 minute.. Answer: d. 3 psi in 1 minute. โ The supply pressure gauge shows how much pressure: a. You have used in this trip. b. Is in the air tanks. c. Is going to the brake chambers. d. The air can take.. Answer: b. Is in the air tanks. โ The brake system that applies and releases the brakes when the driver uses the pedal is the ________ brake system. a. Emergency. b. Service.
