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Arizona
Arizona CDL Knowledge Test Class B 1
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Q.1
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Blocking is used to:
Keep cargo in a large box.
Prevent cargo from sliding in a trailer.
Prevent cargo from falling out of a trailer.
Q.2
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Alcohol evaporators are:
Illegal.
Used to introduce alcohol into air brake systems.
Only allowed in the northern parts of the state.
Q.3
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Who is responsible for ensuring cargo is loaded properly?
The driver
The shipper
The recipient
Q.4
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When traveling long distances, you should:
Take rest breaks.
Drive as fast as possible.
Drive through the night.
Q.5
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Bridges usually:
Do not freeze.
Have heaters to prevent them from freezing.
Freeze before other surfaces.
Q.6
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When you need to change lanes:
Other vehicles will likely get out of your way.
You should change lanes slowly and smoothly.
You should wait to change lanes until you are in an intersection.
Q.7
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Why should you regularly drain the air tanks?
Because the air gets old and needs to be replaced
Because compressed air contains some water and the water collects in the tanks
To allow for a change in pressure
Q.8
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Having ABS on only one axle:
Can be dangerous.
Still allows you additional control when braking.
Slows the vehicle, but cannot stop it.
Q.9
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When in heavy traffic, the safest driving speed is:
Slower than the speed being driven by surrounding traffic.
The same speed being driven by surrounding traffic.
Faster than the speed being driven by surrounding traffic.
Q.10
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If brakes fail on a long downgrade, the driver should:
Turn the vehicle off and then back on to reset the brakes.
Pump the brakes.
Look for an escape ramp or other way to stop.
Q.11
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While driving a CMV:
You may hold a cell phone to receive a call.
You may send text messages.
You may not hold a cell phone to make a call.
Q.12
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When completing an offset back/right parking maneuver, you should:
Pull straight forward, then drive straight back.
Drive straight back, then pull forward to the left.
Pull straight forward, then back to the right.
Q.13
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What does blocking cargo do?
Holds the cargo in a large box
Prevents cargo from sliding in transit
Prevent others from buying the cargo
Q.14
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To warn drivers behind you that you will be slowing down, you should:
Turn on the right turn signal followed by the left turn signal.
Tap your brake pedal a few times to illuminate your brake lights.
Swerve from side to side to get their attention.
Q.15
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When changing lanes:
You should not use your mirrors.
You should use your mirrors.
You should not use your turn signals.
Q.16
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Which of the following determines your blood alcohol concentration (BAC)?
How much you drink
How frequently you drink
The temperature of the drink
Q.17
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If air pressure drops to a level between ____, a visual low pressure warning signal should have already activated.
55 and 75 psi.
80 and 95 psi.
65 and 100 psi.
Q.18
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Alcohol is removed from the body:
By exercising.
At a fixed rate.
More quickly if the person stays awake.
Q.19
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A pre-trip inspection should include:
A check of the engine oil level.
Removing coolant.
Washing the tire rims.
Q.20
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If your brakes fail when traveling downhill, decide what to do as quickly as possible because:
The longer you wait, the faster your vehicle will go.
The longer you wait, the more vehicles will get out of your way.
The longer you wait, the slower your vehicle will go.
Q.21
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When stopping, the brake pedal should be:
Pressed down quickly with both feet.
Pressed down gradually.
Lifted up quickly.
Q.22
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An Individual Vehicle Distance Record (IVDR) does not need to include which of the following?
The dates of a trip
The total distance traveled
The number of vehicles passed
Q.23
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Hanging meat in a refrigerated truck:
Is a good way for inexperienced drivers to gain experience.
Requires a skilled driver.
Is illegal in most states.
Q.24
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Once cargo is secured onto a vehicle:
You do not need to inspect the cargo.
You should not let others inspect the cargo.
You should check the cargo every 150 miles.
Q.25
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When exiting a vehicle, it is important to maintain ____ with your vehicle at all times.
Three points of contact
Four points of contact
Two points of contact
Q.26
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____ is an example of required emergency equipment.
A spare electrical fuse
A loud horn
A battery-operated flashlight
Q.27
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Hydroplaning:
Rarely occurs with large trucks.
Usually happens when vehicles are traveling faster than 65 mph.
Can occur with a minimal amount of water on the roadway.
Q.28
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When slowing down, you should ____ to warn other drivers
Use a turn signal
Sound your horn
Tap your brakes
Q.29
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Air tank drains:
Should not be used in cold weather.
Are helpful to remove water and oil from the air tanks.
Are used to move air to the brakes.
Q.30
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Having weight loaded in a way that creates a high center of gravity:
Increases the likelihood of a rollover.
Increases the likelihood that items will fall down.
Increases the difficulty of unloading the cargo.
Q.31
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When encountering a railroad crossing during the driving test, you should:
Pass another vehicle on the tracks if the other vehicle is moving too slowly.
Change lanes while on the tracks.
Not change gears while on the tracks.
Q.32
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A thin layer of ice that forms on road surfaces is called:
White ice.
Black ice.
Blue ice.
Q.33
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A driver who stops at a green light could be:
An impaired driver.
A driver who is color blind.
A person who does not know the rules of the road.
Q.34
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Pre-trip inspections should be done:
Differently each time in order to place emphasis on different items.
The same way each time to prevent you from forgetting anything.
Once in a while.
Q.35
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If brakes overheat while going down a downhill grade, they may:
Get sticky.
Stop working.
Squeak.
Q.36
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Scan the road ____ ahead of your vehicle.
Two to three seconds
Five to six seconds
12 to 15 seconds
Q.37
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In hot weather, spots on the pavement where tar is bleeding:
Are very slippery.
Offer the same amount of traction as the rest of the roadway.
Offer more traction than the rest of the roadway.
Q.38
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A broken exhaust system can:
Let poisonous fumes into the cab.
Improve fuel efficiency.
Make steering more difficult.
Q.39
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Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:
Stop the compressor from pumping air.
Release air from the tanks.
Begin pumping air into the tanks.
Q.40
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What can happen if the exhaust system is not working properly?
Poisonous fumes may enter the cab.
Fumes may exit the rear of the muffler system.
Proper steering may be impossible.
Q.41
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If you identify a distracted driver on the road, you should:
Tailgate them.
Flash your lights at them.
Give them plenty of space.
Q.42
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When driving on a wet road, you should reduce your speed by:
About one-half.
About one-third.
About one-quarter.
Q.43
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You may:
Have more than one license if one is for business purposes.
Have more than one license if they are issued by different states.
Not have more than one license.
Q.44
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What should you do if your vehicle gets stuck on railroad tracks?
Stay in the vehicle.
Get out of the vehicle and call for assistance.
Continue trying to get your vehicle off the tracks until you are successful.
Q.45
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If planning to change lanes, your mirrors should:
Not be checked.
Be checked as usual.
Be checked more often than usual.
Q.46
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If the brakes pull to one side or the other when used:
They are working properly.
They need to be checked.
They will be the most effective.
Q.47
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In very hot weather, tires should be checked regularly because:
They may melt.
Air pressure may increase with the temperature.
The tread wears down more quickly than in cooler weather.
Q.48
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Roads are especially slippery right after it begins to rain because:
The water mixes with oil and grease on the road.
Tires are not made to drive in wet weather.
The water yet hasn't absorbed the dirt and grease.
Q.49
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When making a left turn, you should start the turn:
Before reaching the center of the intersection.
No sooner than the center of the intersection.
After your rear wheels have passed the center of the intersection.
Q.50
Submit
Blocking cargo:
Should never be done.
Should only be done in poor weather.
Prevents cargo from moving.
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