AIR BRAKES CDL PRACTICE TEST - TEXAS
16.
Air brakes are 3 different braking systems: service brake, parking brake, and _______ brake.
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emergency
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foot
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S-cam
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air storage brake
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17.
If your vehicle has dual parking control valves, you can use pressure from a separate tank to:
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balance the service brakes while you are parked.
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release the spring brakes so you can move the vehicle in an emergency.
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park better.
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None of the above.
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18.
If your ABS fails:
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you will have no brake function, and could lose control.
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you will still have normal brake functions.
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the first step is to get the vehicle off the road and stop.
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your tires might grab unexpectedly and you could lose control.
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19.
When you pull hard on a slack adjuster and it moves more than about _____ where the push rod attaches to it, the slack adjuster probably needs adjustment.
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2 inches
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1 inch
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1/2 inch
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1/4 inch
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20.
An Anti-lock Braking System (ABS):
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increases your normal braking capability.
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keeps your wheels from locking up when you brake hard.
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always shortens your stopping distance.
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lets you drive faster.
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