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Illinois
Illinois CDL Knowledge Test Class A 1
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Q.1
Submit
When using mirrors while driving, you should:
Look in the mirrors quickly.
Look in the mirrors for extended periods of time.
Use only the rearview mirror.
Use only the driver’s side mirror.
Q.2
Submit
A pre-trip inspection:
Should never be completed the same way two times in a row.
Should always be completed in the same order.
Should only be done if it is sunny outside.
Should not be done if the driver thinks the vehicle is in good operating order.
Q.3
Submit
If you identify a distracted driver on the road, you should:
Follow their vehicle closely.
Try to get their attention.
Give them plenty of room.
Flash your lights at them.
Q.4
Submit
What color is the low air pressure warning light?
Green
Orange
Red
Purple
Q.5
Submit
If required to complete a vehicle inspection report in writing, the report must be signed:
Every day.
Only if defects have been noted and certified to have been repaired.
Only if the repairs are estimated to cost more than $1,000.
Only if requested to do so by a law enforcement officer.
Q.6
Submit
If a vehicle gets stuck on a railroad track, the driver should:
Stay in the vehicle and try to restart the vehicle.
Get out of the vehicle and walk away from the tracks.
Try to flag down another vehicle to give them a push.
Wait in the vehicle for a law enforcement officer to arrive.
Q.7
Submit
When asked about the vehicle's oil during the vehicle inspection test, you must be able to do all of the following, except:
Indicate where the dipstick is located.
Show that the oil level is within a safe operating range.
Show that the oil level is above the refill mark.
Show that the oil level is below the refill mark.
Q.8
Submit
If hydraulic brakes fail, a driver can reduce their speed by:
Shifting into a higher gear.
Shifting into a lower gear.
Finding a hill.
Letting the truck run out of gas.
Q.9
Submit
What is the only way to sober up after drinking?
Take a cold shower.
Exercise.
Wait.
Drink coffee.
Q.10
Submit
During a static leakage test, the maximum leakage rate for a double combination vehicle is:
3 psi in one minute.
6 psi in one minute.
8 psi in one minute.
4 psi in one minute.
Q.11
Submit
The application pressure gauge:
Shows how much air pressure is being applied to the brakes.
Shows the temperature of air being used in the braking system.
Shows the pressure of the air coming from the compressor.
Shows the number of times the brakes have been used.
Q.12
Submit
Livestock:
Should never be transported on a trailer.
Must be inspected by a law enforcement officer.
Can cause unsafe handling when being transported on a trailer due to their movement.
Can only be transported by a person registered as a farmer.
Q.13
Submit
The three-time fail rule means:
An applicant who fails any exam three times is required to wait 30 days before retaking the exam.
An applicant who fails any exam three times is prevented from ever taking the test again.
An applicant who fails any exam three times is required to take a test for a different CDL class.
An applicant who fails any exam three times must take a class before taking the exam again.
Q.14
Submit
Which of the following is not a problem?
Loose or broken exhaust pipes
Loose or broken mounting brackets
Exhaust parts rubbing against fuel system parts
Exhaust system parts that are not leaking
Q.15
Submit
If driving a vehicle with a manual transmission, you can prevent your vehicle from rolling backward when starting from a stop by:
Partly engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in reverse before moving forward.
Fully engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in neutral before moving forward.
Q.16
Submit
On newer vehicles, how do you put on the parking brake?
Move a lever to the right.
Push in the yellow, diamond-shaped knob.
Pull out the yellow, diamond-shaped knob.
Pull up on the steering column.
Q.17
Submit
If another driver is following you too closely, you should do all of the following, except:
Avoid quick changes.
Increase the distance between you and the vehicle in front of you.
Speed up.
Avoid relying on tricks to help others pass.
Q.18
Submit
If you experience a loss of hydraulic pressure, you should do all of the following, except:
Downshift.
Pump the brakes.
Accelerate.
Use the parking brake.
Q.19
Submit
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?
Not driving over curbs or sidewalks
Stopping behind crosswalks
Driving in the leftmost lane if more than one driving lane is available
Finishing a right turn in the rightmost lane
Q.20
Submit
If you are confronted by an aggressive driver, you should:
Make eye contact with the driver.
Stay in the driver's lane.
Try to race the driver.
Ignore the driver's gestures.
Q.21
Submit
Who is responsible for inspecting a vehicle's cargo?
The person who loaded it
The owner of the trucking company
The owner of the cargo
The driver
Q.22
Submit
If exiting a bus during the basic vehicle control skills test, you must:
Keep both hands on the handrail.
Not touch the handrail.
Maintain a firm grasp on the handrail.
Rush down the stairs.
Q.23
Submit
Extremely hot temperatures can cause:
Tire failure.
A trailer to disengage.
Lights to malfunction.
Increased gas mileage.
Q.24
Submit
Using an Anti-Lock Braking System (ABS):
Provides less control.
Shortens stopping distance.
Shortens brake response time.
Provides more control.
Q.25
Submit
What is sleep debt?
When you fall behind on sleep
When you want to take a nap
Excess sleep
The amount of time it takes to get ready to drive after sleeping
Q.26
Submit
A sign indicating a maximum safe speed:
Is suggesting a driving speed, but vehicles may travel faster than the posted speed.
Is suggesting a speed limit to be followed only by vehicles weighing more than 26,000 pounds.
Should be followed and no vehicle should travel faster than the posted speed.
Is only applicable to automobiles.
Q.27
Submit
Leaking shock absorbers:
Are normal.
Indicate a potentially dangerous defect.
Will prevent the turn signals from working.
Pose no threat if the vehicle is only driven on highways.
Q.28
Submit
What can happen if one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected?
The vehicle’s driver will be allowed to drive, but only at reduced speeds.
The vehicle will be put out-of-service until it is fixed.
The vehicle will be fine to drive since most of the spring is in place.
The driver will be asked to decrease the weight of the load.
Q.29
Submit
When backing a truck, you should:
Only use the side mirrors on the driver’s side.
Use both side mirrors.
Not use a helper.
Only use the mirror on the passenger's side.
Q.30
Submit
Which of the following is not a good rule to follow when using turn signals?
Signal early.
Signal continuously.
Do not use your turn signal if you think others know what you plan to do.
Cancel your signal after the turn is completed.
Q.31
Submit
Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?
The number of alcoholic drinks consumed
How quickly the alcoholic drinks were consumed
The weight of the drinker
The temperature of the drinks
Q.32
Submit
When covering cargo, a cover that flaps in transit:
Is acceptable.
Allows air to get to the cargo to keep it cool.
Can tear away.
Can attract birds.
Q.33
Submit
When a vehicle is started, warning lights and buzzers:
Should stay on for several minutes.
Should turn off within a few seconds.
Should stay on until manually turned off.
Should not come on.
Q.34
Submit
After an accident, flares should be used with caution because:
There may be spilled fuel on the ground that could ignite.
Other drivers may not see the flares.
Flares are expensive.
Other drivers may get confused about what is happening.
Q.35
Submit
Texting while driving is worrisome:
Because it creates both mental and physical distractions.
Because a message may be upsetting to the driver.
Because the texts may be more interesting than the task of driving.
Because it is less efficient than a phone call.
Q.36
Submit
Wheel rims that have been welded should:
Be placed in the front of the vehicle.
Be placed in the rear of the vehicle.
Be placed on dual tires.
Not be used.
Q.37
Submit
When using road speed to know when to switch gears, you should:
Learn what speeds each gear is good for and shift up when necessary.
Watch other vehicles and try to keep pace.
Watch other trucks and shift when they shift.
Use the speed limit as a guide.
Q.38
Submit
When should you watch out for black ice?
When it is snowing
When the temperature is below freezing and the road looks wet
When the temperature is above freezing and there is snow on the ground
Just after a rainstorm
Q.39
Submit
In very hot weather, tires should be checked regularly because:
They may melt.
Air pressure may increase with the temperature.
The tread wears down extra quickly.
The lug nuts may loosen.
Q.40
Submit
After a trip:
A vehicle should be placed out-of-service.
A vehicle's oil should be changed.
A vehicle's after-trip inspection should be completed.
A vehicle's battery should be disconnected.
Q.41
Submit
Cargo inside a trailer:
Does not need to be secured.
Should be stacked no more than three feet high.
Should be secured to prevent movement.
Should be loaded with the heaviest items on top of lighter items.
Q.42
Submit
A danger of a large truck swerving to avoid a hazard is:
The truck may miss the object.
The truck may flip over.
The truck may stay in the same lane.
Other vehicles may do the same thing.
Q.43
Submit
When starting the engine of a truck with a trailer, how can you tell if the Anti-Lock Braking System (ABS) is not working?
The yellow light on the rear of the trailer will stay on.
The red light on the trailer will flash three times and then stay on.
All the rear lights on the trailer will flash and then shut off.
The blue light near the driver's door will light.
Q.44
Submit
Convex mirrors:
Cannot be used on vehicles transporting hazardous materials.
Can replace flat mirrors.
Can be helpful to see a wider area.
Are illegal to be used in most states.
Q.45
Submit
After a tire has been changed, the driver should stop after a short distance to:
Check the tightness of the lug nuts.
Ensure that the tire tread depth is good.
Ensure that the correct tire was changed.
See if rocks have gotten into the tread.
Q.46
Submit
The minimum size of placards identifying hazardous materials is:
Four inches.
Six and one-quarter inches.
Nine and three-quarter inches.
10 and three-quarter inches.
Q.47
Submit
When you need to stop in an emergency, you should:
Lock the wheels and skid to a stop.
Stop in a way that keeps your vehicle in a straight line.
Stop in a way that turns your vehicle.
Expect your vehicle to slow down more quickly than usual.
Q.48
Submit
If a driver operating a CMV refuses chemical testing when requested by an officer, the driver will:
Receive a ticket.
Have their driving privileges revoked for two months.
Have their driving privileges revoked for 12 months.
Be asked to drive straight home.
Q.49
Submit
Steering wheel play should be no more than:
10 degrees.
25 degrees.
50 degrees.
75 degrees.
Q.50
Submit
After a tire has been changed, the driver should stop after a short distance to:
Check the tightness of the lug nuts.
Check the wear of the tire.
Check the level of windshield wiper fluid.
Check the air pressure of the tire.
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