CDL Practice Test Results

Question 1
76% answer correctly
For air brakes, the cut-out level is:
The average air pressure maintained in the air storage tanks
The level at which the air compressor will stop pumping air into the air storage tanks
The minimum air pressure for the air storage tanks
The level at which the air compressor will start pumping air into the air storage tanks
Question 2
73% answer correctly
You`re carrying a small load. What is the minimum number of tie-downs required?
2
3
1
4
Question 3
71% answer correctly
Before you can supply the air tanks of a second trailer with air you need to:
Close the shut off valve at the rear of the first trailer and open the shut off valve at the rear of the second trailer
Open both shut off valves
Open the shut off valve at the rear of the first trailer and close the shut off valve at the rear of the second trailer
Close both shut off valves