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Indiana
Indiana CDL Knowledge Test Class A 1
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Q.1
Submit
The parking brake should be:
Used whenever you park the vehicle.
Used while driving.
Set when driving in bad weather.
Used to stop the vehicle in normal driving.
Q.2
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To prevent fatigue while driving, you should:
Keep the cab warm.
Keep the cab cool.
Keep the cab poorly ventilated.
Close the vents.
Q.3
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A distracted driver:
Usually reacts well to hazards.
Usually has slowed perception.
Is usually aware of what is happening around them.
Is a good person to follow.
Q.4
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A steering wheel should be held:
With both hands.
With one hand, keeping the other hand free for other tasks.
With one hand at a time, alternating between hands.
At the base of the wheel.
Q.5
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In an engine compartment, loose belts will:
Not turn the water pump and/or fan properly, causing the engine to overheat.
Make the engine run more efficiently.
Make the fan run too much, causing the engine to run too coolly.
Last longer than tight belts.
Q.6
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When you leave your vehicle, you should:
Apply the parking brake.
Apply the air brake.
Not apply any brake.
Leave the door open.
Q.7
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In cold weather, an alcohol evaporator should be checked and filled:
Once a week.
Every day.
Every hour.
Once a month.
Q.8
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What happens if the air pressure in a system's air tanks falls below 60 psi?
A warning light will come on.
The vehicle will not shift out of gear.
The front lights will flash.
The vehicle should stop.
Q.9
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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.10
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A stopped bus:
Is not a cause for concern.
Is not a concern if passengers are not unloading.
Should not be on the roadway.
Is a concern, whether passengers are visible or not.
Q.11
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During the vehicle inspection test, you will be required to do all of the following, except:
Walk around the vehicle.
Point to or touch each item.
Explain what you are checking and why.
Crawl under the vehicle.
Q.12
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When a construction worker is close to the road, you should:
Increase your speed.
Decrease your speed.
Not drive in any lane.
Wait to proceed until the construction is complete.
Q.13
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When operating a vehicle with a dual brake system, a driver should:
Let the vehicle warm up before driving to ensure that fuel reaches the engine.
Wait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.
Begin driving just after the vehicle starts.
Pump the pedal about 20 times to build pressure, then begin driving.
Q.14
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If confronted by an aggressive driver, you should:
Make eye contact with the driver.
React to the driver's gestures.
Challenge the driver to a road race.
Ignore the driver, if possible.
Q.15
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What does ABS do?
Prevent wheel lockup
Prevent the air compressor from overheating
Prevent the front brakes from being used on ice
Prevent the brakes from being used if downshifting would be more effective
Q.16
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When driving, you should stop and take a break ____ to avoid becoming too tired.
Every half hour
Every hour
Every two hours
Every six hours
Q.17
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The suspension system:
Holds up the vehicle and its load.
Keeps the load the proper distance behind the driver’s compartment.
Maintains a safe distance between the vehicle and other vehicles.
Lightens the load for the tires.
Q.18
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If the brakes “pull” to one side or the other when you use them, it's a sign that:
The brakes are working properly.
The brakes need to be checked.
The brakes are new.
The brakes have too much stopping power.
Q.19
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Sending text messages while driving:
May be done if the messages are short.
Is encouraged.
Is permitted if you are asking a question of your employer.
Is not permitted.
Q.20
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Cargo on flatbed trailers should be:
Tied down.
Glued down.
Left loose.
Pushed to one side.
Q.21
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Before entering a curve, you should:
Upshift.
Speed up.
Drive on the shoulder.
Downshift.
Q.22
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If traveling across state lines:
A driver should have a license for each state that will be visited.
A driver should have a license for each state where there is a planned stop.
A driver should have a license for the state where the trip begins and the state where the trip ends.
A driver should have only one license.
Q.23
Submit
The air entering air storage tanks may contain:
Water and compressor oil.
Frost.
Gravel.
Antifreeze.
Q.24
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When backing, a helper:
Should be used whenever possible.
Often adds to the confusion of backing.
Should only be used if the driver is not feeling confident.
Would likely get in the way.
Q.25
Submit
Hydroplaning occurs when:
Tires lose traction with the surface of the road.
Tires have increased traction with the surface of the road.
Front tires have more traction that rear tires.
Front tires have less traction than rear tires.
Q.26
Submit
Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
10 psi
25 psi
50 psi
100 psi
Q.27
Submit
If you’re driving and the ABS warning light comes on, it means:
The ABS is working properly.
The ABS has just been activated.
The ABS is not working properly.
The ABS needs to be activated.
Q.28
Submit
If using the spring brakes while hauling a heavy load, a complete stop will:
Be impossible.
Take a long time.
Take a short amount of time.
Damage the brakes.
Q.29
Submit
When using a turn signal, you should not:
Signal early.
Signal continuously.
Cancel the turn signal after completing the turn.
Allow the turn signal to stay on long after the turn has been completed.
Q.30
Submit
Convex mirrors:
Cannot be used on vehicles transporting hazardous materials.
Can replace flat mirrors.
Can be help a driver see a large area.
Are illegal in most states.
Q.31
Submit
Examples of serious traffic violations include each of the following offenses, except:
Improper lane usage.
Having multiple licenses.
Using a cell phone.
Not stopping behind the stop line at a stop sign.
Q.32
Submit
If transporting 30 feet of cargo on a flatbed trailer, you should use a minimum of ____ to restrain the cargo.
One tie-down
Two tie-downs
Three tie-downs
Four tie-downs
Q.33
Submit
Which of the following is not an activity that causes a distraction?
Adjusting the radio
Adjusting the CD player
Eating
Checking your mirrors
Q.34
Submit
Using an Anti-Lock Braking System (ABS):
Shortens stopping distance.
Shortens brake response time.
Provides less control.
Provides more control.
Q.35
Submit
If a vehicle is equipped with power steering, the hoses should be checked:
For leaks.
To ensure that they are still clear.
To ensure that they are connected to the battery.
For the proper amount of brake fluid.
Q.36
Submit
You should always use at least ____ to secure cargo on a flatbed trailer.
One tie-down
Two tie-downs
Three tie-downs
Four tie-downs
Q.37
Submit
If turning to avoid a hazard:
You should brake hard.
You should not brake as it could cause the wheels to lock.
You should turn the wheel very sharply.
You should hold down the brakes until you are past the hazard.
Q.38
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.39
Submit
Headlights:
Are not usually necessary when driving at night.
Provide better light than the sun.
Should be on the high beam setting whenever possible.
Should always be on the high beam setting.
Q.40
Submit
How much water must be present for a vehicle to hydroplane?
Usually several inches
A significant amount, such as a large puddle
A small amount
None
Q.41
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What is brake lag?
The time required for the brakes to work after the brake pedal is pushed
The distance between the brake pedal’s resting position and the floor
The amount of air pressure used to stop a vehicle
How faded the brakes are
Q.42
Submit
During exercises that are not the straight line backing exercise, you may exit your vehicle to check its position no more than:
One time.
Two times.
Three times.
Four times.
Q.43
Submit
Drivers may use ____ red reflective warning triangles when their vehicle is stopped on the side of the road.
Two
Three
Five
Seven
Q.44
Submit
Before starting down a hill, be sure to:
Accelerate.
Switch into a high gear.
Sound your horn.
Switch into a low gear.
Q.45
Submit
What is the purpose of a vehicle inspection report?
It tells the motor carrier about problems that may need to be fixed.
It ensures that the vehicle is inspected regularly.
It keeps drivers accountable for inspecting their vehicles.
It provides a plan for the next five trips.
Q.46
Submit
When you need to brake, how can you warn drivers behind you?
Tap on the brakes a couple of times.
Stick your arm out the window.
Swerve within your lane.
Change lanes.
Q.47
Submit
On a truck with air brakes, the braking system’s air compressor:
Pumps air into the air storage tanks.
Fills the tires.
Moves air to the back of the truck.
Cleans the brakes.
Q.48
Submit
Which of the following is not an example of a distracted person that motorists should be worried about?
A driver talking to another person in a vehicle
Children on the side of the road
Construction workers on the side of the road
A person sitting on a bench waiting for a bus
Q.49
Submit
If driving a truck that requires a CDL for operation:
You do not need to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You are always required to wear a seat belt.
You are only required to wear a seat belt when driving a tank trailer.
Q.50
Submit
If you’re feeling tired before a drive, you should:
Drink coffee.
Take caffeine pills.
Not drive.
Drive as fast as possible so you get to the destination quickly.
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