AIR BRAKES PRACTICE TEST - KENTUCKY

21. The safety relief valve is located:
on each end of the vehicle's axles.
in the first tank the air compressor pumps air to.
in the front brake.
on the dashboard.
22. When should you be particularly careful about high winds?
When going downhill
When driving at night
When emerging from a tunnel
When driving in winter
23. To use the controlled braking method in an emergency, you should:
apply the brakes as hard as you can without locking the wheels.
apply the brakes when the wheels lock up.
apply your brakes all the way, and release the brakes when the wheels lock up.
pump the brake pedal 3 times.
24. If a load is 10 feet long, the minimum number of tie-downs required is:
4
2
3
1
25. Why should you check your mirrors regularly to know where other vehicles are around you?
To better assess your own speed.
To move out of their way if they want to get past.
To flash the brake lights if you are being tailgated.
To know whether you can make a quick lane change in an emergency.
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