Release air brakes - Study guides, Class notes & Summaries

Attitude - A good attitude is a professional truck driver's badge of honor. Sharing the roads with automobiles must be a safety concern for the professional driver ABS - Keeps the vehicle under control by preventing wheel lock up during braking. Additional things to check during a walk-around inspection - Coupling system areas Landing Gear Air compressor - The air compressor pumps air into the air storage tanks. The air compressor is connected to the engine through gears or a v-belt. Air...

After every working day ANSWER: Oil and water usually collect in compresed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? Why drain water from the compressed air tanks? ANSWER: Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than __________ psi per minute with the engine off and the brakes released. ANSWER: 2 To make an emergency stop with air bra...

ASE S4 Brakes |Complete Questions with Graded A+ Correct Answers The air system is maintained at what pressure? 100 to 120 pounds per square inch. At what pressure does the low pressure switch activate? Below 60 pounds per square inch. A safety or pop off valve is usually installed in which reservoir? In the one closest to the compressor. Why is the Wet tank referred to as such? It is the one closest to the compressor and has the most water in it. What is an after cooler...

CDL Air Brakes |Complete Questions with Graded A+ Answers After every working day Oil and water usually collect in compresed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? Why drain water from the compressed air tanks? Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than __________ psi per minute with the engine off and the brakes released. 2 ...

1 NC CDL AIR BRAKES EXAM REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE/ Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? - -After every working day Why drain water from the compressed air tanks? - -Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than ___ PSI per minute with the engine off and the brakes releas...

CDL Air Brakes |Complete Questions with Graded A+ Answers After every working day Oil and water usually collect in compresed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? Why drain water from the compressed air tanks? Water can freeze in cold weather and cause brake failure. The air brake system for a straight truck or bus should not leak at a rate of more than __________ psi per minute with the engine off and the brakes released. 2 ...

Stab Braking: - ANSWER Involves applying the brakes and then releasing them after the wheels lock up. Placards must be: - ANSWER Placed on all four sides of a vehicle Which figure shows the correct way to turn? - ANSWER Figure B: slightly opposing traffic You should signal continuously while turning because: - ANSWER You need both hands on the steering wheel to turn safely The distance that you should look ahead of your vehicle while driving at highway speeds is: - ANSWER 1/4 Mile ...

Brake test questions and answers Graded A+ 1) Why must air tanks be drained? a) For pre trip inspection purposes b) To check for leaks c) To release oil and water buildup d) To activate the low air pressure alarm c) To release oil and water buildup 2) What is a supply pressure gauge used for? a) To check tire pressure b) To check tank pressure c) To activate the low pressure alarm d) To check for leaks b) To check tank pressure 4) What are spring brakes? a) Hydraulic brakes...

During normal driving, spring brakes are usually held back by: - Answer air pressure The brake pedal in an air brake system: - Answer Controls the air pressure applied to put on the brakes The brake system that applies and releases the brakes when the driver uses the brake pedal is what system? - Answer service system All air braked equipped vehicles must have what? - Answer A supply pressure gauge If your truck or bus has dual parking control valves, you can use pressure fro...

CA CDL Air Brakes Test Questions and Answers 100% Solved The air compressor should stop pumping at about: 125 psi Repeatedly pressing and releasing (fanning) the brake pedal may result in: A loss of brake air pressure During normal driving, spring brakes are usually held back by: Air pressure What is emergency stab braking? Brake hard, release the brakes when the wheels lock, and reapply the brakes when the wheels start rolling How should you check that your service brakes ar...