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Massachusetts
Massachusetts CDL Knowledge Test Class A 2
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Q.1
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If a traffic light has been green for a long time:
It will probably stay green as you approach.
It is likely broken.
It is likely that the light will soon change to yellow.
It is likely the light will skip yellow and change from green to red.
Q.2
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If a tire fails, the driver should:
Keep one hand on the steering wheel and use their other hand to wave to other drivers.
Stomp on the brakes.
Not use the brakes.
Accelerate.
Q.3
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To ensure applicants only have one license:
You will be asked to sign a form.
States share a database with drivers' information.
Your wallet will be searched.
Q.4
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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.5
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To stop in a vehicle that uses air brakes, the driver should:
Pull the air brake lever.
Engage the brake lever.
Push the brake pedal down.
Pull the brake pedal up.
Q.6
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Brake fade is a result of:
Exposure to sunlight.
Exposure to moisture.
Excessive use.
Not using the brakes enough.
Q.7
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When leaving your vehicle, you should:
Apply the parking brake.
Apply the air brakes.
Not apply any brake.
Disconnect the trailer.
Q.8
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When inspecting your brakes, a slack adjuster should move ____ from where it is attached to the push rod.
At least three inches
More than two inches
Up to five inches
No more than one inch
Q.9
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Retreaded tires:
May be used on any part of a bus.
May be used on the front of a bus.
May be used on the rear of a bus.
May never be used on a bus.
Q.10
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Dry bulk tanks:
Usually have low centers of gravity.
Usually have high centers of gravity.
Usually are not allowed to cross railroad tracks.
Cannot be driven on interstates.
Q.11
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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.12
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You should not use the parking brake:
If your vehicle is stopped on a level surface.
If your vehicle is stopped on a slight incline.
If your vehicle's brakes are very hot.
If your vehicle's other braking systems seem to be working adequately.
Q.13
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If a tire fails while you are driving, you should:
Brake as hard as possible.
Release the steering wheel.
Stay off the brakes and let the vehicle slow down.
Stop on the roadway.
Q.14
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Looking far ahead of your vehicle when driving is:
Discouraged because the road ahead is not as important as your current location.
Encouraged to help you identify hazards as early as possible.
Not allowed.
Only encouraged when transporting hazardous materials.
Q.15
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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
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If loading cargo that will not entirely fill up a trailer, the cargo should be placed:
At the front of the trailer.
At the rear of the trailer.
In the middle of the trailer.
Anywhere in the trailer.
Q.17
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Which of the following is not a rule for using turn signals?
Signal early.
Signal continuously.
Cancel your signal once your turn or lane change is complete.
Don’t signal unless another vehicle is close.
Q.18
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Friction inside a brake drum is caused when the brake shoes and linings:
Push against each other.
Separate from the axle.
Push against the inside of the drum.
Create excess heat.
Q.19
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Blocking is used to:
Prevent cargo from shifting in transit.
Prevent cargo from being loaded too high.
Prevent cargo from being unloaded too quickly.
Prevent cargo from being unloaded easily.
Q.20
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A driver should always:
Stay in one lane.
Have an emergency plan.
Stay in the left lane.
Travel faster than the speed limit.
Q.21
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Why should your mirrors be adjusted to show the road behind you as well as part of your vehicle?
Having only the road in the mirrors would likely make the driver carsick.
Having part of the truck in the mirrors serves as a point of reference.
It is illegal to have only the road in the mirrors.
The driver should be able to see the reflection of surrounding vehicles on the trailer.
Q.22
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When taking the on-road driving skills test, you will be evaluated on your gear usage. You should not:
Avoid grinding or clashing gears.
Select a gear that does not rev the engine.
Forget to shift through an intersection.
Shift while taking a turn.
Q.23
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A one-way check valve:
Drains the water and compressor oil from the air tanks.
Prevents air from escaping if the air compressor has a leak.
Activates the emergency brakes when there is a leak.
Holds the spring brakes in position until they are used.
Q.24
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If the low pressure warning signal activates while you are driving, you should:
Continue driving normally.
Exit the road and park as soon as safely possible.
Stop where you are and park.
Put on your hazard lights and continue driving.
Q.25
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When should you check and adjust your mirrors?
Before starting a trip
While driving
After a trip
Mirrors do not need to be adjusted.
Q.26
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What should you do when confronted with an aggressive driver?
Make eye contact.
Try to stay in the other driver’s way.
Ignore their gestures.
Have a conversation.
Q.27
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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.28
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When carrying a wide load, you should:
Drive as fast as possible.
Obtain special permits and follow special rules.
Honk at other drivers to get them to move from the lane closest to you.
Drive on the shoulder.
Q.29
Submit
The air compressor governor controls:
When the air compressor pumps air into the air storage tanks.
How fast air is pumped into the air storage tanks.
The temperature of air pumped into the air storage tanks.
The speed of the vehicle.
Q.30
Submit
Improperly loaded cargo can:
Look bad to others on the road.
Injure the driver during a quick stop.
Make it easier to stop.
Aid in safety.
Q.31
Submit
Which of the following is not a sign of fatigue?
Ability to focus
Daydreaming
Yawning repeatedly
Drifting from your lane
Q.32
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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.33
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.34
Submit
During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
10 psi in a minute.
8 psi in a minute.
6 psi in a minute.
4 psi in a minute.
Q.35
Submit
____ is a thin layer of ice that forms on road surfaces.
White ice
Black ice
Green ice
Blue ice
Q.36
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How is the parking brake released?
By tapping the brake pedal three times
By pushing in the brake control knob
By starting the vehicle
By tapping the accelerator twice
Q.37
Submit
How is the parking brake released?
By tapping on the brake pedal three times
By pushing in the brake control knob
By engaging the accelerator
By tapping the accelerator twice
Q.38
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When traveling down a long downgrade, you should brake by:
Only using the brakes.
Mostly using the brakes and downshifting occasionally.
Downshifting and then using brakes.
Never using the brakes.
Q.39
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You should always be able to stop within:
10 feet of your vehicle.
1,000 feet of your vehicle.
Your view of the road ahead.
A minute of hitting the brakes.
Q.40
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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.41
Submit
To confirm that a trailer has ABS, you can:
Look under the trailer for wheel speed sensors coming from the back of the brakes.
Look under the hood for the ABS sticker.
Look at the tires.
Remove a tire and look for the ABS sensor on the axle.
Q.42
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.43
Submit
Cargo on flatbed trailers should be:
Tied down.
Glued down.
Left loose.
Pushed to one side.
Q.44
Submit
When driving under wet conditions, what does a lack of spray from other vehicles indicate?
Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.
The tires have soaked up all the moisture.
Q.45
Submit
A pre-trip vehicle inspection:
Is not required if the driver regularly uses the vehicle.
Is not required for trips under 100 miles.
Is only to be performed by a mechanic.
Is required by law.
Q.46
Submit
When driving down a steep grade, your brakes may fade. What happens if brakes fade?
They become quieter.
They become less effective.
They work better than usual.
They work differently from front to back.
Q.47
Submit
When traveling with cargo, the cargo should be checked:
Only before the trip.
Before the trip and after the first 50 miles.
Only by loading personnel.
Only after arriving to the final destination.
Q.48
Submit
Looking far ahead of your vehicle while driving is:
Discouraged, as there is little you can do about something far up the road.
Encouraged to help you identify hazards as early as possible.
Not allowed.
Only encouraged if you are transporting hazardous materials.
Q.49
Submit
After a trailer starts to turn during backing, you should follow the trailer by:
Doing nothing. The vehicle will follow naturally.
Changing the direction of the steering wheel.
Turning the steering wheel farther in its current direction.
Using the brakes.
Q.50
Submit
To best reduce the distractions of a cell phone, you should:
Stay on a single call for an entire trip.
Turn the phone off before driving.
Only us the phone to accept incoming calls.
Use the phone to text rather than talk.
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