CDL Doubles & Triples Test 4 – Classic Mode

1. Which of these statements about quick steering movements and doubles / triples is true?

A Countersteering is easier with doubles / triples than with most other vehicles
B You should put on the brakes at the same time you perform quick steering movements
C Doubles / triples are no problem with a quick steering move
D Doubles / triples flip over from quick steering moves more easily than many other vehicles

2. Empty trucks:

A May have poor traction due to bouncing and wheel lockup
B Stop in the same distance as a fully loaded one
C Require shorter stopping distances than full ones.
D Are the easiest to stop since there is no shifting cargo

3. You are driving a 100 foot truck with double trailers at 30 mph. The road is dry. Visibility is good. You should keep at least ____ seconds of space ahead of you:

A 9
B 10
C 11
D 12

4. If you want to couple a second trailer to your combination vehicle, secure it by using:

A The trailer's spring brakes and emergency air brakes
B Wheel chocks
C Either of the above, if available
D None of the above

5. The best way to stop all skids is to:

A Use stab or controlled braking
B Countersteer and accelerate
C Restore traction to the tires
D Steer and brake hard

6. Driving a truck with double or triple trailers requires a driver to:

A Use special care in bad weather and mountain conditions
B Allow more following distance than for smaller vehicles
C Both A and B
D None of the above

7. The best way to keep brakes from overheating while going down a steep grade is to:

A Use stab braking
B Use only the trailer brakes
C Use countersteering practices
D Go 5 m.p.h. below your safe speed

8. If you must drive through deep puddles or flowing water, which of these should you not do?

A Drive though quickly
B Use a lower gear
C Increase engine RPM
D Take advantage of the water and let it wash off your tires etc.

9. Some large trucks have convex or "spot" mirrors which:

A Make things look smaller and farther away than they really are
B Do not need to be checked as often as flat mirrors because they show a larger area
C Are against the law in most states
D Make things look larger and closer than the really are

10. Which of these statements about seeing ahead is true?

A At highway speed, you should look up to 1/4 mile ahead of your truck
B Many drivers do not look far enough ahead of their truck
C Good drivers shift their attention back and forth, near and far
D All of the above are true

End of Test #4

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