Alabama General Knowledge CDL Practice Test

Question 1

WHAT KIND OF FIRE IS A B:C EXTINGUISHER GOOD FOR?

Accepted Answer

Electrical, fuel

Answer

Meat, cheese

Answer

Wood, paper, cloth

Answer

Metal, rubber

Question 2

WHAT IS "HYDROPLANING"?

Accepted Answer

Tires lose contact with road and have no traction

Answer

Turning steering wheel but vehicle doesn't turn

Answer

Braking but vehicle doesn't stop

Answer

Form of surfing

Question 3

IF A TIRE BLOWS OUT, YOU SHOULD PUT THE BRAKES ON HARD TO STOP QUICKLY.

Accepted Answer

FALSE

Answer

TRUE

Question 4

WHAT IS THE MINIMUM NUMBER OF TIE DOWNS FOR A 20 FOOT LOAD?

Accepted Answer

At least one tie down for every 10 feet

Answer

At least one tie down for every 20 feet

Answer

At least two tie downs for every 10 feet

Answer

At least one tie down for every 5 feet

Question 5

WHICH STATEMENT IS TRUE ABOUT REAR DRIVE-WHEEL BRAKING SKIDS?

Accepted Answer

When pulling a trailer, the trailer can push the towing vehicle sideways

Answer

The locked wheels have more traction than the ones that are rolling

Answer

It is not a cause of jackknifing

Answer

The vehicles front wheels will slide sideways

Question 6

WHAT IS THE "GROSS COMBINATION WEIGHT" (GCW)?

Accepted Answer

Weight of power unit, plus trailer, plus cargo

Answer

Weight of cargo, plus weight of drivers and passengers

Answer

The maximum weight specified by the manufacturer that a vehicle can hold

Answer

Weight of trailer plus weight of cargo

Question 7

FOR WHAT THREE THINGS RELATED TO CARGO ARE DRIVERS RESPONSIBLE?

Accepted Answer

Inspection of cargo, balanced weight of cargo, secured cargo

Answer

Size of cargo, where cargo is placed, and unbalanced cargo

Answer

Secured cargo, inspection of sealed cargo, balanced weight of cargo

Answer

Inspection of a sealed container, balanced weight of cargo, where cargo is placed

Question 8

STAB BRAKING SHOULD NOT BE USED ON VEHICLES:

Accepted Answer

Equipped with anti-lock brakes

Answer

Hauling hazardous materials

Answer

Equipped with air brakes

Answer

Towing trailers

Question 9

WHAT ARE THE 2 MAIN THINGS TO LOOK FOR AHEAD?

Accepted Answer

Traffic and road conditions

Answer

Vehicles and stoplights

Answer

Disabled vehicles and obstacles

Answer

Curves and potholes

Question 10

HOW MANY REFLECTIVE TRIANGLES SHOULD YOU CARRY?

Accepted Answer

3

Answer

2

Answer

4

Answer

1