CDL GENERAL KNOWLEDGE TEST (IDAHO) - PRACTICE TEST

11. You are more at risk of being fatigued:
after getting more than 8 hours of sleep.
when stopping periodically during long trips.
when driving alone.
12. You should be aware that many car drivers closely follow large vehicles especially:
in bad weather.
in the city.
on the highway.
13. When driving with cargo, you should re-check the cargo and securing devices as often as necessary to keep the load secure, and inspect again:
every 3 hours or 150 miles.
every 6 hours or 300 miles.
every day.
14. Radial and bias-ply tires:
should be used together.
should not be used together.
should be used together only when driving in packed snow.
15. Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
Total Air Pressure
Stopping Distance - (minus) Brake Fade Distance
Total Stopping Distance
16. When inspecting mirrors and windshields for dirt, cracks, illegal stickers, and other obstructions to seeing clearly, you should:
leave it as is and write any instructions or notes on the vehicle inspection guide.
clean and adjust as necessary.
write all necessary adjustments in your pre-trip inspection.
17. Rims with welding repairs:
can be used for tires in the front of the vehicle.
are not safe.
can be used for tires in the rear of the vehicle.
18. If you've been drinking alcohol, only ____ will sober you up.
a cold shower
black coffee
time
19. You should not use your horn unnecessarily. Why?
The horn can startle other drivers, which could be dangerous.
On vehicles possessing air brakes, it uses up air pressure you may need to be able to stop
All of the above.
20. When you double your speed from 20 to 40 mph, the braking distance:
increases slightly.
stays about the same.
is 4 times longer.
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