IL CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

21. How should you brake if your vehicle loses ABS?
Step on and off the brake pedal several times
Brake as you always have.
Stay off the Brake
Pump the brake repeatedly
22. If you are stopped on an incline, how can you start moving without rolling back?
Fully engage the clutch
Apply the parking brake
Shift to neutral
Aggressively pump the accelerator
23. Longer combination vehicles have the tendency to swing wide on turns. This is called:
rollover.
off-tracking.
hydroplaning.
jackknifing.
24. Which of the following is true about curved mirrors?
In a curved mirror everything appears smaller than it would if you were looking at it directly.
In a curved mirror things seem closer than they really are.
They are illegal in most States.
None of the above.
25. When you're going uphill and a heavy load is slowing you down, you should:
pass another slow vehicle to gain speed.
shift into a lower gear.
stay in the left lane if you can.
drive on the shoulder if you can.
26. Blocking and bracing are:
coupling devices used to connect the service air lines from the truck or tractor to the trailer.
used to keep cargo from sliding and to prevent movement of cargo.
driving techniques used to regain control when your drive wheels start to skid.
None of the above.
27. The following are some causes of vehicle fires:
Under-inflated tires and duals that touch
Tailgating while smoking
Tight turns and gravel roads
All of the above.
28. To keep cargo from shifting or falling off, cargo should have at least one tie-down for every ___ feet of cargo.
20
10
5
15
29. The ABS malfunction lamp on the instrument panel is:
Blue
Orange
Yellow
Red
30. If you have to drive off the road, you should:
keep one set of wheels on the pavement, if possible.
brake as hard as you can to maintain control.
leave the road completely.
fully apply the brakes until your speed has dropped to about 20 mph.
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