1 . When making a left turn, you should start the turn:

Before reaching the center of the intersection.
No sooner than the center of the intersection.
After your rear wheels have passed the center of the intersection.
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2 . To change lanes, you should:

Move quickly.
Move slowly and smoothly.
Hold down your horn.
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3 . When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:

To see if the vehicle is on an incline.
To see if there are any fresh fluids under the vehicle.
To see if the vehicle is in a parking spot.
To see if the vehicle is on a decline.
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4 . If a vehicle is accompanied by a vehicle inspection report:

The driver should first inspect the vehicle, then compare their notes with the report.
The driver should first look at the report when completing an inspection.
The driver should not conduct a pre-trip inspection and should rely only on the report.
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5 . When backing, it is best to:

Rely only on the passenger’s side mirror.
Try to back up quickly.
Turn toward the passenger’s side whenever possible.
Use a helper, if possible.
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6 . Service brakes should:

Be tested once a month.
Only be tested by a trained mechanic.
Be tested before every trip.
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7 . If a truck is equipped, a trailer brake hand valve can be used to:

Add fuel to the vehicle.
Prevent the vehicle from rolling back when being started from a stop.
Check the oil level.
Load cargo.
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8 . What causes the "crack-the-whip" effect?

Rearward amplification
Bad tires
Empty trailers
Good driving
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9 . A ramp's posted speed limit:

Is suitable for all vehicles.
Is suitable for some vehicles, but may be too fast for a large CMV.
Is just a suggestion and may be exceeded.
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10 . A trailer will be most likely to swing around when:

It is full.
Traveling in a straight line.
It is empty.
The wheels are rotating.
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11 . Rollovers happen when:

You drive too slowly.
You are stopped.
You turn too quickly.
You plan an escape route.
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12 . When placing more than one semi-trailer behind a tractor:

The lightest semi-trailer should be at the very end.
The heaviest semi-trailer should be in back.
The order of the semi-trailers does not matter.
The semi-trailer carrying the most boxes should be in the rear.
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13 . Shortly after a tire has been changed, you should:

Stop to make sure the lug nuts are still tight.
Repair the brakes.
Deflate the tire to 10 psi.
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14 . What can happen if a parking brake is used in very wet weather when temperatures are below freezing?

The brakes will squeak.
The brakes may freeze so the vehicle cannot move.
The brakes may suddenly release by themselves.
The brakes may explode.
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15 . What helps prevent wheel lockup when braking?

An Anti-Lock Braking System (ABS)
Air brakes
An alternator
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16 . When an engine is running, an acceptable oil pressure would be:

10 psi.
50 psi.
110 psi.
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17 . After finishing a pre-trip inspection, you should:

Close the service line valve.
Remove the service line valve.
Leave the emergency line valve open.
Leave the rear shut-off valves open.
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18 . How can you tell if a converter dolly has anti-lock brakes?

There will be a sticker displaying the letters "ABS."
There will be a plaque containing information on the side of the dolly.
There will be a yellow lamp on the left side of the dolly.
There will be a blue light on the side of the dolly.
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19 . A danger of swerving to avoid a hazard while driving a large truck is that:

The truck may miss the object.
The truck may flip over.
The truck may stay in the same lane.
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20 . If an aggressive driver is involved in a crash down the road, you should:

Pull over and yell at them.
Stop after the crash scene and report the other driver’s behavior to police.
Block the driver in with your vehicle.
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