Air Brakes - New Mexico Cdl

1 . If the low air pressure warning signal comes on, you should:

Continue driving, but have the brakes repaired within a week. Pull over and inspect the brakes. Phone a mechanic while driving. Click Here Full Cheat Sheet

2 . During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.

2 psi 4 psi 6 psi Take a FREE Practice Test Now

3 . What do the two systems of a dual air brake system share?

Hoses An air compressor Air tanks Take a FREE Practice Test Now

4 . An air compressor governor controls:

When the air compressor pumps air into the air storage tanks. How fast air is pumped into the air storage tanks. The temperature of the air pumped into the air storage tanks. Take a FREE Practice Test Now

5 . Brakes can get out of adjustment quickly, especially:

If they are hot. In the winter time. If they are used frequently. Click Here Full Cheat Sheet

6 . The parking brake in a newer vehicle is applied by:

Moving a lever to the right. Pushing a yellow, diamond-shaped knob. Pulling a yellow, diamond-shaped knob. Take a FREE Practice Test Now

7 . Some air brake systems introduce alcohol into the system to:

Make the brakes work without squeaking. Prevent ice from forming in the brake system. Prevent people from breathing the air from the system. Take a FREE Practice Test Now

8 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is ____ in a minute.

2 psi 4 psi 6 psi Take a FREE Practice Test Now

9 . What do air brakes use to make the brakes work?

Compressed air Outside air Non-compressed air Click Here Full Cheat Sheet

10 . When leaving your vehicle unattended:

The parking brake should be used. The parking brake only needs to be used if the vehicle is parked on a slope. The parking brake should not be used, as it can damage the tires. Take a FREE Practice Test Now

11 . What kind of brakes do most newer heavy-duty trucks use?

Single air brakes Dual air brakes Triple air brakes Take a FREE Practice Test Now

12 . The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.

1 psi 2 psi 3 psi Take a FREE Practice Test Now

13 . To affect a vehicle, ABS:

Must be on all axles. Must be on the rear axle. Can be on as few as one axle. Click Here Full Cheat Sheet

Study tip: Reduce your study time from hours to minutes with a DMV exam “Cheat Sheet” 99.2% of people who use the cheat sheet pass the FIRST TIME Click Here Full Cheat Sheet

14 . If you are driving and the ABS light comes on, it means that the ABS:

Cannot work due to weather conditions. Has just been activated. Is not working properly. Take a FREE Practice Test Now

15 . Air pressure should build up in a single air system within:

15 minutes. 12 minutes. Three minutes. Take a FREE Practice Test Now

16 . During an inspection, slack adjusters on S-cam brakes should not move more than:

One foot. One centimeter. One inch. Take a FREE Practice Test Now

17 . The air compressor is connected to the:

Transmission. Engine. Radiator. Click Here Full Cheat Sheet

18 . A dual air brake system:

Consists of two separate air brake systems that share a single set of controls. Is a single air brake system with two different sets of controls. Consists of one air brake system for the left side of the truck and one system for the right side of the truck, each with its own set of controls. Take a FREE Practice Test Now

19 . Which of the following is not part of a vehicle’s air brake system?

Air gauges Low pressure warning device Air filter Take a FREE Practice Test Now

20 . If the safety relief valve in an air brake system is releasing air:

You should not be concerned as this is a normal process. There is something wrong with the brakes. The valve is operational. Take a FREE Practice Test Now

21 . When parked on a flat surface, you should:

Use wheel chocks to prevent your vehicle from moving. Not use wheel chocks. Use wheel chocks, but only if you have applied the parking brake. Click Here Full Cheat Sheet

22 . What does an air compressor do in an air brake system?

It pumps air into the air storage tanks. It fills the tires. It moves air to the back of the truck. Take a FREE Practice Test Now

23 . The air storage tanks:

Hold only enough air for one braking cycle. Hold enough air for the brakes to be used several times if the compressor stops working. Do not hold air unless there is an emergency. Take a FREE Practice Test Now

24 . What can happen if the air pressure gets too low in an air brake system?

The brakes may squeak. The brakes may stop working. The brakes may be sluggish. Take a FREE Practice Test Now

25 . If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:

Test the brakes while driving, but continue driving if nothing seems wrong. Immediately stop driving. Drive with the hazard lights activated. Click Here Full Cheat Sheet