E
.
Learndmv
DMV PRACTICE
Toggle navigation
Find your state
Exam types
Practice tests
Sign in
Create account
↗
← Leave quiz
Massachusetts CDL Class B Knowledge Test 2
Practice mode
Question
1
of 25
QUESTION 1 / 25
When starting the vehicle during the pre-trip inspection, the coolant temperature should:
Choose one answer below.
A
Decrease.
✓
B
Rise slowly.
✓
C
Hold steady.
✓
D
Jump quickly.
✓
QUESTION 2 / 25
If your vehicle is hydroplaning, you should:
Choose one answer below.
A
Speed up.
✓
B
Not apply the brakes.
✓
C
Put the vehicle in reverse.
✓
D
Turn the steering wheel as hard as possible.
✓
QUESTION 3 / 25
When approaching a railroad crossing, you should:
Choose one answer below.
A
Increase your speed to get across the tracks as quickly as possible.
✓
B
Roll your window down to listen for a train.
✓
C
Rely on traffic control signals.
✓
D
Never try to outdrive an approaching train.
✓
QUESTION 4 / 25
When driving down a steep grade, your brakes may fade. What happens if brakes fade?
Choose one answer below.
A
They become quieter.
✓
B
They become less effective.
✓
C
They work better than usual.
✓
D
They work differently from front to back.
✓
QUESTION 5 / 25
When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:
Choose one answer below.
A
Keeping your lights off.
✓
B
Turning your lights on.
✓
C
Driving on the shoulder.
✓
D
Waving an arm out the window.
✓
QUESTION 6 / 25
Looking far ahead of your vehicle while driving is:
Choose one answer below.
A
Discouraged, as there is little you can do about something far up the road.
✓
B
Encouraged to help you identify hazards as early as possible.
✓
C
Not allowed.
✓
D
Only encouraged if you are transporting hazardous materials.
✓
QUESTION 7 / 25
The height of a vehicle’s center of gravity:
Choose one answer below.
A
Usually has no impact on the handling the vehicle.
✓
B
Plays a large role in a driver's ability to safely handle the vehicle.
✓
C
Should not be a concern when loading the vehicle.
✓
D
Should only be a concern if there are lots of hills on the planned route.
✓
QUESTION 8 / 25
To make it as safe as possible to leave a stop, you should park:
Choose one answer below.
A
So that you must back up to leave your parking space.
✓
B
So that you can pull forward to leave your parking space.
✓
C
On the side of a roadway, not in a parking lot.
✓
D
By backing into a parking space.
✓
QUESTION 9 / 25
When starting the engine as part of the pre-trip inspection, the driver should:
Choose one answer below.
A
Listen for unusual noises.
✓
B
Rev the engine.
✓
C
Turn up the radio.
✓
D
Turn on the heater.
✓
QUESTION 10 / 25
Header boards:
Choose one answer below.
A
Should never be used.
✓
B
Protect the driver from being hit by cargo.
✓
C
Protect the driver's head when entering the cab of a truck.
✓
D
Provide extra storage.
✓
QUESTION 11 / 25
When should you check and adjust your mirrors?
Choose one answer below.
A
Before starting a trip
✓
B
While driving
✓
C
After a trip
✓
D
Mirrors do not need to be adjusted.
✓
QUESTION 12 / 25
If something is found to be unsafe during a pre-trip inspection, you should:
Choose one answer below.
A
Continue with the trip and make an appointment with a mechanic after the trip is completed.
✓
B
Let a more experienced driver use the truck.
✓
C
Get the issue fixed immediately.
✓
D
Not use the items found to be unsafe, but may continue driving normally.
✓
QUESTION 13 / 25
What happens if brakes become too hot?
Choose one answer below.
A
They will become too smooth.
✓
B
They will harden.
✓
C
They may stop working.
✓
D
The air compressor will kick in to cool the brakes
✓
QUESTION 14 / 25
A vehicle equipped with an Anti-Lock Braking System (ABS) can be identified by:
Choose one answer below.
A
A sticker on the control panel.
✓
B
A yellow lamp on the instrument panel.
✓
C
The letters "ABS" on the brake pedal.
✓
D
A metal plate on the inside of the driver’s side door.
✓
QUESTION 15 / 25
To make a stop in a vehicle using air brakes, the driver should:
Choose one answer below.
A
Press down the brake pedal.
✓
B
Lift the brake pedal toward them.
✓
C
Push in the brake knob.
✓
D
Pull out the brake knob.
✓
QUESTION 16 / 25
When approaching an active railroad crossing:
Choose one answer below.
A
You should expect to hear any approaching train.
✓
B
You may not hear a train as it approaches.
✓
C
You will hear two short blasts of the train's horn.
✓
D
There will always be flashing warning lights.
✓
QUESTION 17 / 25
What is a concern immediately after it begins raining?
Choose one answer below.
A
The water will mix with grease and oil on the road, making the roadway slippery.
✓
B
A driver may forget where the windshield wiper lever is located.
✓
C
It may stop raining.
✓
D
People will be using their windshield wipers needlessly.
✓
QUESTION 18 / 25
Spring brakes come on:
Choose one answer below.
A
When too much air pressure is lost.
✓
B
When a control on the dashboard is activated.
✓
C
When the tires have minimal tread depth.
✓
D
When the brakes are noisy.
✓
QUESTION 19 / 25
When encountering fog, you will be safest if you:
Choose one answer below.
A
Stay in the left lane.
✓
B
Don’t drive in the fog.
✓
C
Use your low beam lights.
✓
D
Follow the vehicle ahead of you closely.
✓
QUESTION 20 / 25
Once cargo is secured:
Choose one answer below.
A
You may complete an entire trip without checking it.
✓
B
You can drive at least eight hours without checking it.
✓
C
You should check it every three hours or 150 miles.
✓
D
You should not check it.
✓
QUESTION 21 / 25
What does an Anti-Lock Braking System (ABS) do?
Choose one answer below.
A
Allow the rear wheels to lock up
✓
B
Allow all wheels to lock up
✓
C
Help prevent wheel lockup
✓
D
Alert other motorists when you are braking
✓
QUESTION 22 / 25
After a vehicle is started, warning lights and buzzers:
Choose one answer below.
A
Should stay on for several minutes.
✓
B
Should turn off within a few seconds.
✓
C
Should stay on until manually turned off.
✓
D
Should remain on.
✓
QUESTION 23 / 25
When exiting your vehicle, you must maintain ____ with the vehicle at all times.
Choose one answer below.
A
One point of contact
✓
B
Four points of contact
✓
C
Three points of contact
✓
D
Two points of contact
✓
QUESTION 24 / 25
If the brake pads rub against the brake drums and create too much heat:
Choose one answer below.
A
The brakes will stick.
✓
B
The brakes will become extra sensitive.
✓
C
The brakes may stop working.
✓
D
The air compressor will kick on to cool the brakes.
✓
QUESTION 25 / 25
When checking the power steering fluid during a vehicle inspection, you will need to do each of the following, except:
Choose one answer below.
A
Show where the power steering fluid dipstick is located.
✓
B
Check for adequate power steering fluid.
✓
C
Ensure that the power steering fluid level is above the full mark.
✓
D
Ensure that the power steering level is above the refill mark.
✓
← Previous
0 of 25 answered
Next question →
Finish & see results →