Alabama CDL Knowledge Test Class B: Practice Test - Practice Test 1
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If you are driving so slowly that you could impede other vehicles, you should:
Stay in the left lane.
Drive with your emergency flashers activated.
Not use any lights.
Wave an arm out of your window.
When loading cargo, weight should be placed:
As high as possible.
As low as possible.
As far back as possible.
Which of the following determines your blood alcohol concentration (BAC)?
How much you drink
How frequently you drink
The temperature of the drink
What is the number one cause of death and injury in work zones?
Speeding drivers
Careless behavior by construction workers
Drivers driving too slowly
Equipment placed in the roadway
Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?
Kidnapping
Smuggling
Immigration violations
Speeding
When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:
Keeping your lights off.
Turning your lights on.
Driving on the shoulder.
Waving an arm out the window.
Rolling backward when beginning to accelerate is dangerous because:
The transmission may be damaged.
The truck is not made to go backwards.
You may hit a vehicle behind you.
When traveling long distances, you should:
Take rest breaks.
Drive as fast as possible.
Drive through the night.
Which of the following is true?
It is safe to drive on a tire that is missing one or two lug nuts.
A cracked lock ring on a rim is safe if you are not driving faster than 55 mph.
A missing clamp on a rim is dangerous and should be corrected.
During the driving test, when encountering a railroad crossing, you should:
Pass another vehicle on the tracks if the other vehicle is going too slow.
Get out of the vehicle to check for a train.
Not change gears while your vehicle is on the tracks.
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