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Illinois CDL Class A Knowledge Test 1
Practice mode
Question
1
of 25
QUESTION 1 / 25
When using mirrors while driving, you should:
Choose one answer below.
A
Look in the mirrors quickly.
✓
B
Look in the mirrors for extended periods of time.
✓
C
Use only the rearview mirror.
✓
D
Use only the driver’s side mirror.
✓
QUESTION 2 / 25
A pre-trip inspection:
Choose one answer below.
A
Should never be completed the same way two times in a row.
✓
B
Should always be completed in the same order.
✓
C
Should only be done if it is sunny outside.
✓
D
Should not be done if the driver thinks the vehicle is in good operating order.
✓
QUESTION 3 / 25
If you identify a distracted driver on the road, you should:
Choose one answer below.
A
Follow their vehicle closely.
✓
B
Try to get their attention.
✓
C
Give them plenty of room.
✓
D
Flash your lights at them.
✓
QUESTION 4 / 25
What color is the low air pressure warning light?
Choose one answer below.
A
Green
✓
B
Orange
✓
C
Red
✓
D
Purple
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QUESTION 5 / 25
If required to complete a vehicle inspection report in writing, the report must be signed:
Choose one answer below.
A
Every day.
✓
B
Only if defects have been noted and certified to have been repaired.
✓
C
Only if the repairs are estimated to cost more than $1,000.
✓
D
Only if requested to do so by a law enforcement officer.
✓
QUESTION 6 / 25
If a vehicle gets stuck on a railroad track, the driver should:
Choose one answer below.
A
Stay in the vehicle and try to restart the vehicle.
✓
B
Get out of the vehicle and walk away from the tracks.
✓
C
Try to flag down another vehicle to give them a push.
✓
D
Wait in the vehicle for a law enforcement officer to arrive.
✓
QUESTION 7 / 25
When asked about the vehicle's oil during the vehicle inspection test, you must be able to do all of the following, except:
Choose one answer below.
A
Indicate where the dipstick is located.
✓
B
Show that the oil level is within a safe operating range.
✓
C
Show that the oil level is above the refill mark.
✓
D
Show that the oil level is below the refill mark.
✓
QUESTION 8 / 25
If hydraulic brakes fail, a driver can reduce their speed by:
Choose one answer below.
A
Shifting into a higher gear.
✓
B
Shifting into a lower gear.
✓
C
Finding a hill.
✓
D
Letting the truck run out of gas.
✓
QUESTION 9 / 25
What is the only way to sober up after drinking?
Choose one answer below.
A
Take a cold shower.
✓
B
Exercise.
✓
C
Wait.
✓
D
Drink coffee.
✓
QUESTION 10 / 25
During a static leakage test, the maximum leakage rate for a double combination vehicle is:
Choose one answer below.
A
3 psi in one minute.
✓
B
6 psi in one minute.
✓
C
8 psi in one minute.
✓
D
4 psi in one minute.
✓
QUESTION 11 / 25
The application pressure gauge:
Choose one answer below.
A
Shows how much air pressure is being applied to the brakes.
✓
B
Shows the temperature of air being used in the braking system.
✓
C
Shows the pressure of the air coming from the compressor.
✓
D
Shows the number of times the brakes have been used.
✓
QUESTION 12 / 25
Livestock:
Choose one answer below.
A
Should never be transported on a trailer.
✓
B
Must be inspected by a law enforcement officer.
✓
C
Can cause unsafe handling when being transported on a trailer due to their movement.
✓
D
Can only be transported by a person registered as a farmer.
✓
QUESTION 13 / 25
The three-time fail rule means:
Choose one answer below.
A
An applicant who fails any exam three times is required to wait 30 days before retaking the exam.
✓
B
An applicant who fails any exam three times is prevented from ever taking the test again.
✓
C
An applicant who fails any exam three times is required to take a test for a different CDL class.
✓
D
An applicant who fails any exam three times must take a class before taking the exam again.
✓
QUESTION 14 / 25
Which of the following is not a problem?
Choose one answer below.
A
Loose or broken exhaust pipes
✓
B
Loose or broken mounting brackets
✓
C
Exhaust parts rubbing against fuel system parts
✓
D
Exhaust system parts that are not leaking
✓
QUESTION 15 / 25
If driving a vehicle with a manual transmission, you can prevent your vehicle from rolling backward when starting from a stop by:
Choose one answer below.
A
Partly engaging the clutch before removing your foot from the brake pedal.
✓
B
Placing the vehicle in reverse before moving forward.
✓
C
Fully engaging the clutch before removing your foot from the brake pedal.
✓
D
Placing the vehicle in neutral before moving forward.
✓
QUESTION 16 / 25
On newer vehicles, how do you put on the parking brake?
Choose one answer below.
A
Move a lever to the right.
✓
B
Push in the yellow, diamond-shaped knob.
✓
C
Pull out the yellow, diamond-shaped knob.
✓
D
Pull up on the steering column.
✓
QUESTION 17 / 25
If another driver is following you too closely, you should do all of the following, except:
Choose one answer below.
A
Avoid quick changes.
✓
B
Increase the distance between you and the vehicle in front of you.
✓
C
Speed up.
✓
D
Avoid relying on tricks to help others pass.
✓
QUESTION 18 / 25
If you experience a loss of hydraulic pressure, you should do all of the following, except:
Choose one answer below.
A
Downshift.
✓
B
Pump the brakes.
✓
C
Accelerate.
✓
D
Use the parking brake.
✓
QUESTION 19 / 25
When taking the on-road driving test, you will be evaluated on your lane usage. Which of the following is an example of poor lane usage?
Choose one answer below.
A
Not driving over curbs or sidewalks
✓
B
Stopping behind crosswalks
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C
Driving in the leftmost lane if more than one driving lane is available
✓
D
Finishing a right turn in the rightmost lane
✓
QUESTION 20 / 25
If you are confronted by an aggressive driver, you should:
Choose one answer below.
A
Make eye contact with the driver.
✓
B
Stay in the driver's lane.
✓
C
Try to race the driver.
✓
D
Ignore the driver's gestures.
✓
QUESTION 21 / 25
Who is responsible for inspecting a vehicle's cargo?
Choose one answer below.
A
The person who loaded it
✓
B
The owner of the trucking company
✓
C
The owner of the cargo
✓
D
The driver
✓
QUESTION 22 / 25
If exiting a bus during the basic vehicle control skills test, you must:
Choose one answer below.
A
Keep both hands on the handrail.
✓
B
Not touch the handrail.
✓
C
Maintain a firm grasp on the handrail.
✓
D
Rush down the stairs.
✓
QUESTION 23 / 25
Extremely hot temperatures can cause:
Choose one answer below.
A
Tire failure.
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B
A trailer to disengage.
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C
Lights to malfunction.
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D
Increased gas mileage.
✓
QUESTION 24 / 25
Using an Anti-Lock Braking System (ABS):
Choose one answer below.
A
Shortens stopping distance.
✓
B
Shortens brake response time.
✓
C
Provides less control.
✓
D
Provides more control.
✓
QUESTION 25 / 25
What is sleep debt?
Choose one answer below.
A
When you fall behind on sleep
✓
B
When you want to take a nap
✓
C
Excess sleep
✓
D
The amount of time it takes to get ready to drive after sleeping
✓
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