SD CDL AIR BRAKES PRACTICE TEST

11. Radial and bias-ply tires:
should not be used together.
should be used together only when driving in packed snow.
should be used together.
should be used together only during bad weather.
12. If the air pressure gets too low:
the brakes will not work.
you should set the parking brake.
ABS will help maintain vehicle control.
the brakes will lock up.
13. In vehicles with air brakes, the brake pedal:
pumps air into the air storage tanks.
controls the air pressure applied to the brakes.
tells you how much pressure is in the air tanks.
let the air out of the spring brakes.
14. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to take the tank vehicle test.
you will be restricted from operating vehicles with air brakes.
you will be required to operate vehicles with air brakes.
you will be required to operate a CMV without hydraulic brakes.
15. If you are being tailgated, you should:
turn on your taillights.
speed up.
try to let the other vehicle pass.
drive on the shoulder.
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