ND CDL PRACTICE TEST - GENERAL KNOWLEDGE

11. When approaching and driving through a work zone, you should:
observe the posted speed limits.
use your 4-way emergency flashers or brake lights to warn drivers behind you.
slow down.
All of the above.
12. When using a fire extinguisher, you should:
Keep as close to the fire as possible.
Aim at the flames.
Aim at the base of the fire.
All of the above.
13. Black ice is:
a thin layer of black ice.
ice that makes the road look dry.
a thick layer of ice.
None of the above.
14. ABS (anti-lock braking system):
keeps your brakes from locking up when you brake hard.
always shortens your stopping distance.
increases your normal braking capability.
lets you drive faster.
15. If a vehicle is equipped with ABS, when you start the engine:
the spring brakes will come on.
the trailer emergency brakes will come on.
the ABS indicator light on the dash should come on and then turn off.
the wheels will lock up.
16. What plays a major role in mountain driving?
Speed
Gravity
Rain
Weather
17. How many reflective triangles/emergency reflectors should you carry?
3
2
1
4
18. Effects of distracted driving include:
improved reaction time.
increased following distance.
incorrect inputs to the steering.
reduction in braking distance.
19. You should avoid driving through flowing water of deep puddles if possible. If not, you should:
set out reflective triangles to warn other traffic.
gently apply the brakes, increase engine rpm and cross the water while keeping light pressure on the brakes.
press the accelerator and increase the engine and gear speed to the rpm required by road conditions.
wait until the engine has cooled before crossing the water.
20. Placards must be:
readable from all 4 directions.
in a diamond shape.
turned upright on a point.
All of the above.
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