Alabama CDL Knowledge Test Class B: Practice Test - Practice Test 2
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Header boards:
Should never be used.
Protect drivers from being hit by cargo.
Protect drivers' heads when they are entering the cab of a truck.
Rims with welding repairs:
Are unsafe.
Are acceptable on tires in the rear of the vehicle.
Are acceptable only when carrying a heavy load.
Are acceptable in combination vehicles.
As part of a pre-trip inspection, you should look for all of the following, except:
Tires with too much air pressure.
Tires with too much wear.
Tires made by different manufacturers.
During the straight line backing exercise, how many times are you permitted to exit the vehicle to check its position?
One time
Two times
Three times
Four times
When double clutching, if you remain in neutral for too long and can't get your vehicle into the next gear, you should:
Stop the vehicle and start over.
Return to neutral, release the clutch, increase your speed, and try again.
Skip over your intended gear and move into the next gear.
Just keep the vehicle in neutral.
What is traction?
Friction between the tires and road
Tires' rates of rotation
The length of time needed to activate the brakes
Of the following, which is not a recommended way to spot potential signs of trouble?
Watching the gauges
Using your senses
Checking critical items only at the beginning and end of a trip
When traveling in heavy traffic, the safest driving speed is:
The posted speed limit.
The speed of surrounding traffic.
A speed much slower than the flow of surrounding traffic.
When near a railroad crossing:
You should expect to hear every approaching train.
You may not hear a train, even if one is approaching.
You will hear two short blasts of a train's horn if a train is approaching.
If something is found to be unsafe during a pre-trip inspection, you should:
Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.
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