CT CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. If a vehicle is equipped with ABS, when you start the engine:
the trailer emergency brakes will come on.
the wheels will lock up.
the spring brakes will come on.
the ABS indicator light on the dash should come on and then turn off.
22. Backing is dangerous because:
you need to back toward the passenger driver side so you can see.
cargo may fall out.
you cannot see everything behind your vehicle.
you have to turn the steering wheel toward the direction you want to go.
23. During a trip:
you should watch gauges for signs of trouble.
you should watch gauges to make sure that valve caps are not missing.
you should not watch gauges as they can be misleading.
None of the above.
24. An antilock braking system (ABS):
decreases your stopping distance.
in order to work, requires you to apply the brakes as hard as you can.
requires a change in the way you brake.
None of the above:
25. The best way to test the trailer service brakes is to:
pull forward quickly, then apply the trailer brakes with your hand control.
put the handbrake on when there are no vehicles around you.
accelerate to the maximum possible speed, then apply the trailer brakes fully.
None of the above.
26. To correct a drive-wheel skid, you should NOT:
Push in the clutch.
Stop braking.
Countersteer.
Steer into the skid.
27. Which of the following is true about lanes changes?
Lane changes should always be avoided.
Lane changes require more than regular mirror checks.
You should not check yourmirrors before you change lanes.
When changing lanes you should check your mirros as usual.
28. Wheel rims that have had welding repairs:
are safe.
should be placed in the front.
should not be used.
None of the above.
29. Passive railroad crossings:
do not have traffic control devices.
usually have a person directing traffic.
should never be crossed using a CMV.
have at least one traffic control device.
30. Front-end header boards:
block the forward movement of your cargo.
protect you from your cargo in case of a crash.
protect you from your cargo in case of an emergency stop.
All of the above.
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