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Pennsylvania CDL Tank Test 1
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Question
1
of 20
QUESTION 1 / 20
Which of the following is not a sign of fatigue?
Choose one answer below.
A
Ability to focus
✓
B
Daydreaming
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C
Yawning repeatedly
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D
Drifting from your lane
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QUESTION 2 / 20
Rust around wheel nuts may mean:
Choose one answer below.
A
It recently rained.
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B
The nuts are loose.
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C
The tires should be replaced.
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D
The nuts are too tight.
✓
QUESTION 3 / 20
A driver should always:
Choose one answer below.
A
Stay in the right lane.
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B
Have an emergency plan.
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C
Stay in the left lane.
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D
Drive above the speed limit.
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QUESTION 4 / 20
To operate a vehicle that is used to transport hazardous materials, a driver must have:
Choose one answer below.
A
Only a CDL.
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B
A CDL with a hazardous materials endorsement.
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C
A CDL with a passenger endorsement.
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D
A CDL with an air brake endorsement.
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QUESTION 5 / 20
In very hot weather, tires should be checked regularly because:
Choose one answer below.
A
They may melt.
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B
Air pressure may increase with the temperature.
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C
The tread wears down extra quickly.
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D
The lug nuts may loosen.
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QUESTION 6 / 20
If the words "Inhalation Hazard" appear on a package, a ____ placard must be used.
Choose one answer below.
A
Poison gas
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B
Explosive
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C
Radioactive
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D
Danger
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QUESTION 7 / 20
Outage:
Choose one answer below.
A
Should not be considered when loading liquid cargo.
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B
Is the same for each liquid.
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C
Should be considered when determining how much liquid to load into a tank.
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D
Is only a concern in warm weather.
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QUESTION 8 / 20
Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Choose one answer below.
A
Need more space to turn and stop.
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B
Drive more slowly.
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C
Are twice the width.
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D
Swerve more often.
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QUESTION 9 / 20
What does the trailer air supply control look like?
Choose one answer below.
A
It is a square blue knob.
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B
It is a triangular yellow knob.
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C
It is an eight-sided red knob.
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D
It is a circular orange knob.
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QUESTION 10 / 20
If unsure if a trailer is equipped with ABS, you can:
Choose one answer below.
A
Check under the trailer for wheel speed sensors coming from the back of the brakes.
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B
Try driving on a slippery surface and see if ABS kicks in.
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C
Assume it does have ABS.
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D
Remove a tire and look for the ABS sensor on the axle.
✓
QUESTION 11 / 20
How could you reduce your stress while driving?
Choose one answer below.
A
Drink a caffeinated beverage
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B
Talk on your cell phone
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C
Gesture at other drivers
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D
Listen to calming music
✓
QUESTION 12 / 20
Roads are most slippery right after it begins to rain because:
Choose one answer below.
A
The water mixes with oil and grease on the road.
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B
The roads are naturally slippery.
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C
The gravel gets washed to the middle of the lane.
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D
Some tires are not designed for rain.
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QUESTION 13 / 20
Avoid needing to make sudden lane changes by:
Choose one answer below.
A
Using your horn to encourage other drivers to move out of your lane.
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B
Only driving slower than the posted speed limit.
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C
Watching the road ahead while driving.
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D
Pulling off the road and waiting when there is high traffic.
✓
QUESTION 14 / 20
Hydroplaning usually occurs:
Choose one answer below.
A
When tires are properly inflated.
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B
At speeds under 15 mph.
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C
In areas where water collects on the road.
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D
During the evening.
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QUESTION 15 / 20
A Class 7 hazardous material is:
Choose one answer below.
A
Explosive.
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B
Flammable.
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C
Radioactive.
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D
Corrosive.
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QUESTION 16 / 20
Carrying liquids in a leaking tank:
Choose one answer below.
A
Is acceptable if it is only for a short distance.
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B
Is illegal.
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C
Is not dangerous if it is raining.
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D
Is acceptable if you are running behind schedule.
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QUESTION 17 / 20
What is the average driver’s reaction time?
Choose one answer below.
A
One-sixteenth of a second
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B
One-eighth of a second
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C
Between three-quarters of a second and one second
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D
Two seconds
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QUESTION 18 / 20
A loss of air pressure in the emergency line will cause:
Choose one answer below.
A
The suspension springs to extend.
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B
The tractor protection valve to open.
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C
The rear trailer to detach from the combination.
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D
The emergency brakes to activate.
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QUESTION 19 / 20
If a traffic light has been green for a long time:
Choose one answer below.
A
It will probably stay green as you approach.
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B
It is likely broken.
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C
It is likely that the light will soon change to yellow.
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D
It is likely the light will skip yellow and change from green to red.
✓
QUESTION 20 / 20
When driving, it is important to:
Choose one answer below.
A
Keep your attention focused in front of your vehicle.
✓
B
Look only to the front and right side of your vehicle.
✓
C
Look only to the front and sides of your vehicle.
✓
D
Look to the front, sides, and rear of your vehicle.
✓
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