CDL Combination Test ( Updated 2024 ) Complete Questions & Answers (Solved) 100% Correct

CDL Combination Test ( Updated 2024 ) Complete Questions & Answers (Solved) 100% Correct 1. When you check the lower fifth wheel, you do NOT need to check a) That there are no missing parts b) That you cannot see any space between the upper and lower fifth wheels c) That the shut-off valves completely closed d) Whether it has enough grease Answer: c) That the shut-off valves completely closed 2. Which of the following is most likely to roll over? a) The rear trailer of a triple b) The middle trailer of a triple c) The rear trailer of a double d) The front trailer of a double Answer: a) The rear trailer of a triple 3. What does the trailer air supply control do? a) By pushing it in, you supply the tires with air b) By pushing it in, you supply the trailer with air c) By pulling it out, you remove air from overinflated tires d) By pulling it out, you supply the trailer with air Answer: b) By pushing it in, you supplythe trailer with air 4. When parking a vehicle that does not have spring brakes, you should usechocks a) To keep the trailer from offtracking so much b) To stop the trailer from jackknifing c) To help the trailer go more quickly d) To keep the trailer from moving Answer: d) To keep the trailer from moving 5. Which of the following should you do if you want to back into a curved pathon the driver's side? a) Drive slowly while you are backing b) Use your mirrors on both sides c) First, check your path carefully, by getting out and walking around thevehicle d) Do all of the above Answer: d) Do all of the above