Air Brakes Endorsement Test | Connecticut 2024 #1 Page 3 of 4
Train for FREE online with our Connecticut CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CT Class A/Class B driver license in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.
13 . Air pressure should build up in a single air system within:
In a vehicle with a single air brake system, after the engine is at operating rpms, the pressure in the air system should generally build from 50 to 90 psi within three minutes.
14 . In a dual air brake system:
Most heavy-duty vehicles use dual air brake systems. A dual air brake system consists of two separate air brake systems, connected by a single set of brake controls. Each system has its own air tanks.
15 . The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
When performing a static leakage test on a triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one minute. If the air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
16 . When parking, you should not use the parking brake if:
If your brakes are hot after coming down a steep grade, you should not use your parking brake when parking. Let your brakes cool before applying the parking brake or risk damaging the brakes.
17 . When an S-cam turns inside a brake drum, the S-cam:
When a brake pedal is pressed and the S-cam is turned, the S-cam presses the brake shoes against the inside of the brake drum. This causes friction and will cause the vehicle to slow.
18 . Where is the safety relief valve usually located?
An air brake system's safety relief valve is located in the tank that is first to receive air from the compressor.
See the exact questions that will be on the 2024 Connecticut DMV exam.
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