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Maryland
Maryland CDL Knowledge Test Class A 1
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Q.1
Submit
Which of the following is not a strategy to avoid becoming an aggressive driver?
Not expecting delays on a drive
Maintaining a reasonable following distance
Keeping your hands on the wheel
Avoiding gesturing at other drivers
Q.2
Submit
When transporting a load, you should inspect the cargo:
Only before starting to drive.
At the end of each day.
Every time you take a break.
Q.3
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If approaching a railroad crossing while driving a placarded vehicle, you should always:
Activate your four-way flashers.
Stop within five feet of the tracks.
Change gears while on the tracks.
Change lanes while on the tracks.
Q.4
Submit
If the spring brakes are activated, you should never:
Push down the brake pedal.
Open the hood.
Release air from the air storage tanks.
Open the door to the cab.
Q.5
Submit
Eating while driving:
Is a good way to maximize time.
Is encouraged on long trips.
Creates a distraction for the driver.
Is mandatory so cargo is not left unsupervised.
Q.6
Submit
If there are no warning gates or lights at a railroad crossing, you should:
Not worry because the tracks are likely abandoned.
Park your vehicle and walk up to the tracks to determine if a train is approaching.
Look down the tracks in both directions to ensure that no trains are approaching.
Do whatever surrounding vehicles are doing.
Q.7
Submit
Off-ramps:
Are usually safest for trucks.
Can be dangerous for trucks.
Should not be used by trucks.
Q.8
Submit
How should you brake if your vehicle loses its ABS?
Brake normally.
Pump the brake repeatedly.
Push the brake pedal down as hard as you can.
Avoid using the brakes.
Q.9
Submit
On a leaf spring:
Leaves should shift.
Leaves can be missing.
Leaves should not be broken.
Q.10
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When asked to complete a conventional parallel parking maneuver, you should:
Pass the parking space while backing, then pull forward into it.
Pull forward past the parking space, then back into it.
Pull forward into the parking space without passing it first.
Back into the parking space without passing it first.
Q.11
Submit
If a load is 10 feet long, it should be secured by a minimum of:
One tie-down.
Two tie-downs.
Three tie-downs.
Q.12
Submit
If you are driving so slowly that you could impede other vehicles, you should:
Stay in the left lane.
Drive with your emergency flashers activated.
Not use any lights.
Wave an arm out of your window.
Q.13
Submit
In a vehicle with dual parking control valves, once air pressure is lost and the spring brakes come on:
You will be unable to move the vehicle.
A separate air tank can be used to release the spring brakes for a short period of time.
You can use the spring brakes to continue driving normally.
The air tanks will automatically refill to a safe air pressure level.
Q.14
Submit
To change lanes, you should:
Move quickly.
Move slowly and smoothly.
Hold down your horn.
Q.15
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.16
Submit
A driver can rely on front wheel braking to work:
On dry roadways only.
Under all conditions.
Under all conditions, except for snow.
Q.17
Submit
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.18
Submit
A slack adjuster should move no more than ____ from where it is attached to the push rod.
Two inches
Five inches
One inch
Q.19
Submit
The most important reason to inspect your vehicle before a trip is:
To ensure safety.
To maximize gas mileage.
To wake up before the drive.
To fill up time.
Q.20
Submit
What happens when a vehicle hydroplanes?
The tires lose contact with the road.
The tires have extra traction.
The vehicle is easier to control.
The vehicle becomes heavier.
Q.21
Submit
When the brake pedal is depressed, air brakes work:
Immediately.
After a short delay.
After about a minute.
Only if the green lever on the control panel is pushed down.
Q.22
Submit
A driver should always:
Stay in one lane.
Have an emergency plan.
Stay in the left lane.
Travel faster than the speed limit.
Q.23
Submit
During a static leakage test, the maximum leakage rate for a triple combination vehicle with air brakes is ____ in a minute.
3 psi
5 psi
7 psi
9 psi
Q.24
Submit
When making tight maneuvers, it is important for a driver to:
Open the door for a better look.
Use their mirrors.
Flash their headlights.
Open their cargo door.
Q.25
Submit
If you must drive in reverse, using driver's side backing:
Is always encouraged.
Is discouraged.
Is only recommended if it is raining.
Q.26
Submit
If the coolant temperature gauge goes above the highest safe temperature, you should:
Continue to drive.
Pull over and figure out what's wrong.
Run the air conditioner.
Q.27
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.28
Submit
If being shipped on either a flatbed trailer or a trailer without sides, cargo must be:
Glued to the bed.
Strapped down.
Loose to allow it to shift when the vehicle turns.
Heavy enough that it won’t shift.
Q.29
Submit
When transporting cargo, drivers must check the securement of the cargo every:
10 miles.
150 miles.
500 miles.
1,000 miles.
Q.30
Submit
When trying to avoid a hazard:
Stopping is always effective.
Swerving may be more effective than stopping.
You may change lanes without looking.
You should drive on the shoulder.
Q.31
Submit
Without engine oil:
A vehicle will get better gas mileage.
An engine can be destroyed quickly.
The ABS won’t work properly.
Q.32
Submit
Retreaded tires:
May be used on the front axle of a school bus.
May be used on the rear axles of a school bus.
Cannot be used on a school bus.
Q.33
Submit
When checking tires, which of the following should not cause concern?
Too much air pressure
Tread of at least 4/32 of an inch on front tires
Radial and bias-ply tires used together
Q.34
Submit
If approaching a vehicle with a distracted driver, you should:
Quickly pass the vehicle.
Maintain a safe distance from the vehicle.
Closely follow the vehicle.
Q.35
Submit
When backing, you should:
Move quickly to get out of the way of other drivers.
Try not to use your mirrors.
Start from any position.
Use a helper, if possible.
Q.36
Submit
Which of the following is not a type of retarder?
Exhaust
Engine
Air
Electric
Q.37
Submit
What is the number one cause of death and injury in a work zone?
Drivers speeding
Slow drivers
Animals crossing the road
Q.38
Submit
If a load is 40 feet long, the minimum number of tie-downs required to secure the load is:
Two tie-downs.
Three tie-downs.
Four tie-downs.
Q.39
Submit
Foundation brakes are used:
Only on the front wheels of a vehicle.
Only on the rear wheels of a vehicle.
On each wheel of a vehicle.
Q.40
Submit
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.41
Submit
When checking the springs during a vehicle inspection, do all of the following, except:
Look for missing leaf springs.
Look for broken coil springs.
Ensure torsion springs are not damaged.
Glue cracked leaf springs.
Q.42
Submit
Alcohol evaporators are:
Illegal.
Used to introduce alcohol into air brake systems.
Only allowed in the northern parts of the state.
Q.43
Submit
Air tank drains:
Allow rain water to enter air tanks.
Are used to drain water and oil from air tanks.
Should never be opened.
Must remain open while driving.
Q.44
Submit
When turning quickly to avoid an object in the roadway, you should:
Apply your brakes as you steer.
Give yourself extra clearance by turning more than needed to miss the object.
Turn just enough to miss the object and avoid turning more.
Steer and accelerate at the same time.
Q.45
Submit
Within 10 minutes of stopping on the side of the road, you must:
Place emergency warning devices.
Alert local law enforcement.
Call a mechanic.
Q.46
Submit
If involved in an accident, which of the following is not recommended?
Trying to move your vehicle to the side of the road
Caring for the injured
Driving away from the scene
Q.47
Submit
If a vehicle has a vehicle inspection report from the previous driver:
The driver should not conduct a pre-trip inspection and rely on the report.
The driver should take the vehicle to a mechanic.
The driver should review the report.
The driver should speak with the previous driver.
Q.48
Submit
If a vehicle has a vehicle inspection report, the driver:
Should not look at the report and instead try to find any issues themselves.
Should take the vehicle to a mechanic.
Should review the report.
Should not conduct a pre-trip inspection and rely only on the report.
Q.49
Submit
Improperly loaded cargo can:
Look bad to other drivers.
Hurt or kill the driver during a quick stop.
Make it easier to stop a vehicle.
Q.50
Submit
When backing with a trailer, you should:
First turn the steering wheel in the direction of the turn.
First turn the steering wheel in the direction opposite of the turn.
Turn the wheel as sharply as possible.
Not use the brakes.
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