CALIFORNIA CDL DOUBLES TRIPLES PRACTICE TEST

11. You should NOT use the parking brakes if:
the brakes are very hot.
the brakes are cold.
the brakes are too dry.
12. When driving at night, you should use ________ when you can.
emergency flashers
low beams
high beams
13. If you doubt you have enough space to pass under a bridge, you should:
go slowly.
turn on your headlights.
drive faster.
14. Regardless of its size, cargo should have at least ___ tie-downs.
1
2
3
15. Blocking and bracing are:
used to keep cargo from sliding and to prevent movement of cargo.
coupling devices used to connect the service air lines from the truck or tractor to the trailer.
driving techniques used to regain control when your drive wheels start to skid.
16. Over-length loads:
may require special equipment such as "wide load" or flags.
require special transit permits.
All of the above.
17. When checking the lights before driving:
you should check them from inside the vehicle.
you should turn off the engine.
make sure the parking brake is not set.
18. On dry pavement, the braking distance when traveling at 55 mph is about:
419 feet.
216 feet.
142 feet.
19. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Shock absorbers
Engine oil level
Windshield washer fluid level
20. The application pressure gauge:
shows how much air pressure is being applied to the brakes.
tells you how much pressure is in the air tanks.
protects the tank and the rest of the system from too much pressure.
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