Alabama CDL Double 2 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

What happens when the wheels of a trailer lock up?

The trailer will usually continue to move in a straight line.
The trailer will disengage.
The trailer will likely swing around.
The trailer will stop.

Q.2

Before beginning a trip, you should:

Leave the service line valve open.
Remove the relay valves.
Close the emergency line valve.

Q.3

When operating a vehicle with a dual brake system, a driver should:

Let the vehicle warm up before driving to ensure that fuel reaches the engine.
Wait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.
Begin driving just after the vehicle starts.
Pump the pedal about 20 times to build pressure, then begin driving.

Q.4

To help prevent rollovers, you should:

Accelerate quickly after stopping.
Drive slowly around turns.
Keep the load near the back of the trailer.
Keep the load on one side of the trailer.

Q.5

To avoid a collision with a hazard on the roadway:

You should always try to stop.
Swerving may be a safer option than stopping.
You should never swerve.

Q.6

If using air tanks with manually operated drains, how often should you drain the tanks?

Every day
Once a week
Once a month
Once every 3,000 miles

Q.7

Having ABS on only one axle:

Can be dangerous.
Still allows you additional control when braking.
Slows the vehicle, but cannot stop it.

Q.8

To release a dolly's spring brakes before positioning the converter dolly for coupling, you should:

Use the dolly parking brake control.
Remove the air tank petcock.
Raise the dolly support.
Remove the pintle hook.

Q.9

If you don't pull a dolly out from beneath the rear trailer before unlocking the pintle hook:

The tow bar may fly up.
The kingpin may break.
The brakes may become unlocked.

Q.10

When in heavy traffic, the safest driving speed is:

Slower than the speed being driven by surrounding traffic.
The same speed being driven by surrounding traffic.
Faster than the speed being driven by surrounding traffic.

Q.11

Emergency equipment in a vehicle is:

Only required for vehicles that are transporting hazardous materials.
Only required during interstate travel.
Required.

Q.12

When pulled off on the side of the road:

A driver should keep the driver’s side door open.
A driver should turn on the emergency flashers.
The driver should wave their arms.

Q.13

To release a dolly's air brakes before positioning the converter dolly for coupling, you should:

Remove the dolly parking brake control.
Open the air tank petcock.
Raise the dolly support.
Remove the pintle hook.

Q.14

Before positioning a converter dolly for coupling, you should release the dolly's spring brakes. Do this by:

Using the dolly parking brake control.
Removing the air tank petcock.
Raising the dolly support.

Q.15

Before a trip, ensure that the air lines are not:

Leaking.
Touching the glad hands.
Fully charged.

Q.16

Trailers manufactured after ____ must be equipped with Anti-Lock Braking Systems (ABS).

1943
1998
2009
2015

Q.17

The service air line is attached to the:

Relay valves.
Supply line.
Emergency air line.
Steering wheel.

Q.18

In a sudden turn, the ____ trailer is the most likely to turn over.

Front
Last
Middle
First

Q.19

If driving through flowing water or a large puddle, you should:

Increase your speed.
Gently apply the brakes.
Try to stop in the water.

Q.20

The best way to avoid glare at night from oncoming vehicles is to:

Wear sunglasses.
Close your eyes as vehicles approach.
Look to the right side of road.
Use your high beams.

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