DMV CDL TEST QUESTIONS AND ANSWERS ALREADY PASSED You should know that brakes are fading when: You have to push harder on the brake pedal to control your speed on a down grade.
The brake system that applies the use of the brakes when the driver uses the brake is the: Service brake system.
The air...
DMV CDL TEST QUESTIONS AND ANSWERS ALREADY PASSED You should know that brakes are fading when: ✔✔You have to push harder on the brake pedal to control your speed on a down grade. The brake system that applies the use of the brakes when the driver uses the brake is the: ✔✔Service brake s ystem. The air compressor governor controls: ✔✔When air is pumped into the air tanks. If your truck's air compressor has its own oil supply. When should you first check its oil level? ✔✔Before driving. For air brake systems in good conditions the air compressor should start pumping at about: ✔✔100 psi If your vehicle has an alcohol evaporator, it is there to: ✔✔Reduce the risk of ice in air brake valves in cold weather. Some air brake systems have an a lcohol evaporator. What will happen if you don't keep the unit filled with alcohol? ✔✔Ice will form in the storage tanks and cause the brakes to fail. The safety valve is set automatically to reduce pressure at: ✔✔150 psi The brake pedal in an air brake system: ✔✔Controls the air pressure applied to put on the brakes. Repeatedly presssing and releasing (fanning) the brake pedal may result in: ✔✔The loss of air pressure. The most common type of foundation brake found on heavy vehicle is the: ✔✔S-cam drum . S-cam: ✔✔Forces the brakes shoes against the inside of the brake drum. When the brakes are applied the brake shoes or linings are pressed against the: ✔✔Brake drums or disc. All air brake equipped vehicles have: ✔✔A supply pressure gauge. The applica tion pressure gauge shows how much air pressure you: ✔✔Are applying to the brakes. Stop light switch: ✔✔Turns on the brake lights to warn drivers behind you . Under normal conditions in order to engage the parking brakes the driver must first: ✔✔Make sure the air brake system is fully pressurized. The braking power of the spring brakes: ✔✔Depends on the service brakes being in adjustment. The parking or emerge ncy brake on trucks and buses can only be held by: ✔✔Spring pressure If the spring brakes are on you should push the brake pedal: ✔✔Never If your truck or bus has dual parking control valves, you can use pressure from a separate tank to: ✔✔Release the sp ring emergency/parking brakes to move a short distance.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BrilliantScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
