E
.
Learndmv
DMV PRACTICE
Toggle navigation
Find your state
Exam types
Practice tests
Sign in
Create account
↗
← Leave quiz
Pennsylvania CDL HazMat Test 2
Practice mode
Question
1
of 25
QUESTION 1 / 25
When loading compressed gas, the liquid discharge valves should be:
Choose one answer below.
A
Closed.
✓
B
Greased.
✓
C
Open.
✓
D
Removed.
✓
QUESTION 2 / 25
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:
Choose one answer below.
A
Check for wheel speed sensors coming from the back of the brakes.
✓
B
Look for a red light on the front right corner of the converter dolly.
✓
C
Pump the air brakes to activate the ABS.
✓
D
Assume the vehicle has ABS.
✓
QUESTION 3 / 25
The most important reason to inspect your vehicle before a trip is:
Choose one answer below.
A
To ensure safety.
✓
B
To maximize gas mileage.
✓
C
To wake up before the drive.
✓
D
To fill up time.
✓
QUESTION 4 / 25
When checking the engine compartment:
Choose one answer below.
A
The parking brake should not be engaged.
✓
B
Wheels should be chocked.
✓
C
The engine should be running.
✓
D
The gearshift should be in first gear.
✓
QUESTION 5 / 25
When driving, your mirrors should:
Choose one answer below.
A
Not be used, as they are distracting.
✓
B
Not be used unless there is traffic.
✓
C
Be checked regularly.
✓
D
Be checked regularly, but only if it is cloudy.
✓
QUESTION 6 / 25
Move over laws require:
Choose one answer below.
A
Trucks to use the left lane.
✓
B
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing.
✓
C
All vehicles to use the left lane.
✓
D
All vehicles to move to the left lane if a flatbed trailer is in the right lane.
✓
QUESTION 7 / 25
What can rust around the wheel nuts indicate?
Choose one answer below.
A
That the nuts are loose.
✓
B
That the nuts are wet.
✓
C
That the nuts need to be replaced.
✓
D
That the nuts are the wrong size.
✓
QUESTION 8 / 25
When entering or crossing traffic while driving a combination vehicle, it is especially important that you:
Choose one answer below.
A
Sound your horn.
✓
B
Make sure there is a large enough gap for your vehicle.
✓
C
Expect other drivers to make room for your vehicle.
✓
D
Let other drivers wave you into their lane.
✓
QUESTION 9 / 25
Hazardous materials may be transported:
Choose one answer below.
A
By any driver with a CDL.
✓
B
By any driver, as long as the total weight of the hazardous materials are under 50 pounds.
✓
C
By any driver in a rural area.
✓
D
By a driver with a CDL and HazMat endorsement.
✓
QUESTION 10 / 25
When checking a tank vehicle, it is most important to verify that:
Choose one answer below.
A
There are no leaks.
✓
B
There is no frost on the windshield.
✓
C
The paint is not cracking.
✓
D
The tires are new.
✓
QUESTION 11 / 25
Convex mirrors:
Choose one answer below.
A
Cannot be used on vehicles transporting hazardous materials.
✓
B
Can replace flat mirrors.
✓
C
Can be helpful to see a wider area.
✓
D
Are illegal to be used in most states.
✓
QUESTION 12 / 25
If transporting chlorine, what must be kept in the vehicle?
Choose one answer below.
A
A phone with emergency numbers programmed
✓
B
An approved gas mask
✓
C
A chemical suit
✓
D
Directions for emergency personnel
✓
QUESTION 13 / 25
Parking brakes:
Choose one answer below.
A
Should not be tested.
✓
B
Should be tested, but only after driving a distance.
✓
C
Should be tested before a drive.
✓
D
Should be tested on a hill.
✓
QUESTION 14 / 25
While inspecting a coupling, you should go under the trailer and:
Choose one answer below.
A
Detach the jaws from around the kingpin.
✓
B
Make sure the locking lever is in the "emergency" position.
✓
C
Remove the safety latch.
✓
D
Look into the back of the fifth wheel.
✓
QUESTION 15 / 25
A pre-trip inspection:
Choose one answer below.
A
Should never be completed the same way two times in a row.
✓
B
Should always be completed in the same order.
✓
C
Should only be done if it is sunny outside.
✓
D
Should not be done if the driver thinks the vehicle is in good operating order.
✓
QUESTION 16 / 25
To control a surge, brakes should:
Choose one answer below.
A
Not be used.
✓
B
Not be released too quickly after stopping.
✓
C
Be used firmly and then released.
✓
D
Be used with the parking brake.
✓
QUESTION 17 / 25
After finishing a pre-trip inspection, you should:
Choose one answer below.
A
Close the service line valve.
✓
B
Remove the service line valve.
✓
C
Leave the emergency line valve open.
✓
D
Leave the rear shut-off valves open.
✓
QUESTION 18 / 25
An Anti-Lock Braking System (ABS):
Choose one answer below.
A
Allows wheels to lock up.
✓
B
Prevents wheels from locking up.
✓
C
Makes it easier to turn a large vehicle.
✓
D
Assists with the operation of brake lights.
✓
QUESTION 19 / 25
If you are confronted by an aggressive driver, you should:
Choose one answer below.
A
Make eye contact with the driver.
✓
B
Stay in the driver's lane.
✓
C
Try to race the driver.
✓
D
Ignore the driver's gestures.
✓
QUESTION 20 / 25
If transporting a package that contains radioactive materials, it is important to know that:
Choose one answer below.
A
Radiation will pass through to other packages.
✓
B
The packages should be carried in the cab.
✓
C
The packages should be loaded on their side.
✓
D
You cannot use bridges.
✓
QUESTION 21 / 25
What should a carrier do if hazardous materials are not properly prepared?
Choose one answer below.
A
Accept the shipment
✓
B
Accept the shipment under protest
✓
C
Accept the shipment, but make a notation on the paperwork
✓
D
Refuse the shipment
✓
QUESTION 22 / 25
If a traffic light has been green for a long time:
Choose one answer below.
A
It will probably stay green as you approach.
✓
B
It is likely broken.
✓
C
It is likely that the light will soon change to yellow.
✓
D
It is likely the light will skip yellow and change from green to red.
✓
QUESTION 23 / 25
In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when:
Choose one answer below.
A
Air pressure drops to a level between 20 and 45 psi.
✓
B
You are experiencing a trailer jackknife.
✓
C
Wheels have regained traction after a skid.
✓
D
Air pressure is above 45 psi.
✓
QUESTION 24 / 25
Why should your mirrors be adjusted to show the road behind you as well as part of your vehicle?
Choose one answer below.
A
Having only the road in the mirrors would likely make the driver carsick.
✓
B
Having part of the truck in the mirrors serves as a point of reference.
✓
C
It is illegal to have only the road in the mirrors.
✓
D
The driver should be able to see the reflection of surrounding vehicles on the trailer.
✓
QUESTION 25 / 25
If another driver is following you too closely, you should do all of the following, except:
Choose one answer below.
A
Avoid quick changes.
✓
B
Increase the distance between you and the vehicle in front of you.
✓
C
Speed up.
✓
D
Avoid relying on tricks to help others pass.
✓
← Previous
0 of 25 answered
Next question →
Finish & see results →