CDL GENERAL KNOWLEDGE TEST (WASHINGTON) - PRACTICE TEST

11. What is the minimum tread depth for front tires?
4/32 inch
1/2 inch
1/32 inch
12. You should carefully check for traffic:
When driving through an intersection.
When approaching a curve.
All of the above.
13. Which of the following are possible causes of tire fires?
Over-inflated tires and short circuits.
Loose fuel connections or under-inflated tires.
Under-inflated tires and dual tires that touch.
14. B:C type fire extinguishers are suitable for dealing with:
wood fires.
tire fires.
electrical fires and burning liquids.
15. Skids happen whenever:
ABS is not working.
tires lose their grip on the road.
the weight limit is exceeded.
16. If you are convicted of a traffic violation (except parking) in your personal vehicle:
your commercial driver license will not be affected.
you must tell your employer.
you don't have to tell your employer.
17. Livestock:
should never be carried on a trailer.
can move around in a trailer and cause unsafe handling.
should never be kept bunched together.
18. If you are driving on a slippery road, you should:
decrease your following distance.
adjust your speed to conditions.
apply the brakes during turns.
19. You should do an after-trip inspection:
once a month.
at least once a week.
after each trip.
20. If your brakes get wet, it can cause them:
to apply unevenly.
to be weak.
All of the above.
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