CA CDL AIR BRAKES PRACTICE TEST

6. Axle weight is:
the weight transmitted to the ground by one axle or one set of axles.
the weight of all the axles added together.
the maximum safe weight your tires can carry at a specified pressure.
7. The ______ puts alcohol into the air system.
alcohol evaporator
alcohol tank drains
air tank drains
8. The use of brakes on a steep downgrade is:
the main braking factor.
much more effective than the engine braking effect.
a supplement to the braking effect of the engine.
9. If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
in the "normal" position.
in the "neutral" position.
in the "slippery" position.
10. A broken exhaust system:
poses no threat to the driver.
can let poisonous carbon monoxide to leak into the cab.
can improve fuel efficiency.
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