Cdl air brakes exam 2024 - Study guides, Class notes & Summaries

©BRAINBARTER 2024/2025 CDL Combination Test Exam Questions With Verified Answers. If you cross connect the two air lines the following will result - answerYou will not have air going to the trailer brakes You have coupled with a semi-trailer. In what position should you put the front trailer supports before driving away? - answerFully raised with the crank handle secured in its bracket Th trailer air supply control: - answerIs a red, eight sided knob A device which connects the service ...

CDL - General Knowledge, Combinations, Air Brakes Exam Questions With Verified Answers. Used when it is safe and legal to do so. - answerHigh beams should be: It may be a slow moving vehicle - answerYou can see a marking on a vehicle ahead of you, the marking is a red triangle with an orange center what does the marking mean? Valve clearance - answerWhich of these is not part of the pre-trip inspection of the engine compartment? Stop driving as soon as you can safely do so - answerThe ro...

Texas CDL - Air Brake Test exam 2024 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? Answer - After working every day. 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 - ...

NC CDL Combination Vehicles Exam Questions With Verified Answers. You are coupling a semi-trailer to your tractor but have not yet backed under, the trailer is at the right height when: - answerIt will be raised slightly when the tractor is backed under it. You should not back a tractor under a trailer until the whole air system is: - answerAt normal pressure. Which part of the kingpin should the locking jaws close around? - answerThe shank. When you get ready to back under the semi-trail...

Texas Drivers Handbook: 2024 Licensing Exam || Complete Questions & Answers (100% Verified) Texas Drivers Handbook: 2024 Licensing Exam || Complete Questions & Answers (100% Verified) What is the minimum age at which you can get a class C drivers license without driver education or being a hardship case? - ANSWER - 18 How much is the maximum fine for a first conviction of driving without a license? - ANSWER - $200 What type of restrictions may be placed on your license? - ANSWER - Corr...

CDL Air Brakes Practice Test Exam With 100% Correct Answers 2024 The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like: a. Fluid pressure b. Spring pressure c. Air pressure d. Any of the above - answerb. Spring pressure A straight truck or bus air brake system should not leak at a rate of more than __ psi per minute with the engine off and the brake released. a. 1 b. 2 c. 3 d. 4 - answerc. 3 Your vehicle has dual air...

©BRAINBARTER 2024/2025 Combination Test - Texas CDL Exam Questions With Verified Answers. In coupling, just before the tractor is coupled with the trailer you should: - answerconnect the emergency and service air lines. In coupling, you should not move the tractor after it is coupled until you push in the air supply knob and: - answerwait until the air pressure is normal. What happens immediately if the service air line comes apart while driving, but the emergency line is okay? - answer...

©BRAINBARTER 2024/2025 CDL Combination Vehicles Exam Questions With Verified Answers. How should you test the tractor semi trailer combination for being properly coupled? - answerPull gently forward in low gear against the locked trailer brakes, then inspect your coupling. When coupling to the trailer, how far do you back up before stopping the first time? - answerUntil the fifth wheel plate just touches the trailer. What do you check before backing under the trailer? - answerMake sure ...

CDL Combination Test Exam With 100% Correct Answers 2024 If you cross connect the two air lines the following will result - answerYou will not have air going to the trailer brakes You have coupled with a semi-trailer. In what position should you put the front trailer supports before driving away? - answerFully raised with the crank handle secured in its bracket Th trailer air supply control: - answerIs a red, eight sided knob A device which connects the service and emergency air lines fro...

CDL Air Brakes Test Exam With 100% Correct Answers 2024 To test air service brakes you should: - answerBrake firmly while slowly moving forward The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below ____ psi - answer60 If your vehicle has an alcohol evaporator, every day during cold weather you should: - answerCheck and fill the alcohol level All air brakes equipped vehicles have: - answerA supply pressure gauge The m...