TEXAS CDL AIR BRAKES Y GUIDE REAL EXAM

TEXAS CDL AIR BRAKES Y GUIDE REAL EXAM

QUESTIONS AND CORRECT ANSWERS GRADED A+ JUST

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✅To check the free play of manual slack adjusters on s-can brakes you should: Answer: Park on a level ground, chock wheels, and release parking brake.

✅If the air compressor should develop a leak, what keeps the air in the tanks? Answer: The one way check valve.

✅When driving down a long steep hill you should: Answer: Release the brake when you are

• mph below you safe speed.

✅The brake system that applies and releases the brakes when a driver uses the brake pedal is the: Answer: Service brake system.

✅The most common type of foundation brakes found on heavy vehicles is the: Answer: S- can drum

✅Vehicles with air brakes must have: Answer: An air pressure gauge to show the pressure available for braking.

✅Air brakes should be drained... Answer: 1. At the end of each working day. 2. To keep sludge from clogging system valves.

• Manually when automatic devices fail.

✅Fanning air brakes... Answer: Decreases the air pressure.

✅If you air compressor stops working... Answer: You'll still have pressure left in the tanks. 1 / 2

✅The governor allows the air to star pumping aging when it reaches the cut in level or

around... Answer: 100 psi

✅You should not use the parking brakes... Answer: When the brakes are hot.

✅The brake drums or discs... Answer: Must not have cracks longer than half the width of the friction area.

✅Slack adjusters... Answer: Can be adjusted manually or automatically.

✅To determine if slack adjusters need adjustment... Answer: Release big the service and parking brakes.

✅An air tank is equipped with a drain valve to remove... Answer: Water and oil.

✅The governor stops pumping air when it reaches the cut out level, or around... Answer: 125 psi

✅The air compressor governor controls... Answer: When the air compressor pumps air into the storage tanks.

✅A dual air brake system... Answer: Has two brake systems and one set of controls.

✅An emergency brake... Answer: Is required on commercial vehicles, must be held by mechanical force, could be activated by loss of air pressure.

✅To check the slack adjusters on s-can brakes, you should ... Answer: Wear gloves and pull hard on each adjuster.

✅How do you know when your brakes are fading? Answer: You have to push harder on the brake pedal to control your speed on a downgrade.

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