CO CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

31. Which of the following is true about curved mirrors?
They are illegal in most States.
In a curved mirror things seem closer than they really are.
In a curved mirror everything appears smaller than it would if you were looking at it directly.
None of the above.
32. Effects of distracted driving include:
failure to perceive an important traffic event.
slowed perception.
delayed decision making.
All of the above.
33. Tire load is defined as:
the weight transmitted to the ground by 1 tire.
the maximum safe weight a tire can carry at a specified pressure.
the minimum safe weight a tire can carry at a specified pressure.
the minimum tire pressure.
34. When backing, it is important to use a helper whenever possible. Why?
To make sure you don't damage your truck.
Because you cannot see everything behind your vehicle.
All the above.
Because it's required by law.
35. The minimum tire tread depth for front tires is:
8/32 inch
4/32 inch
2/32 inch
4/16 inch
36. When you need to brake, you should warn the drivers behind:
by turning on the 4-way emergency flashers.
by changing lanes.
by making gestures.
by flashing your brake lights.
37. When using the controlled braking method, you:
apply the brakes as hard as you can without locking the wheels.
apply the brakes all the way and release brakes when wheels lock up.
repeatedly tap the brakes as fast as you can.
lightly apply braking pressure.
38. If the drive wheels begin to spin, you should:
accelerate smoothly and change gears as necessary.
apply your brakes all the way.
take your foot off the accelerator.
wait 4-5 seconds before applying the accelerator.
39. If your vehicle begins to hydroplane, you should:
release the accelerator and push in the clutch.
immediately pull off the road.
brake gently to slow down.
accelerate slightly.
40. You should avoid driving through flowing water of deep puddles if possible. If not, you should:
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.
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.
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