Pennsylvania CDL Tank 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

Which of the following is not a sign of fatigue?

Ability to focus
Daydreaming
Yawning repeatedly
Drifting from your lane

Q.2

Rust around wheel nuts may mean:

It recently rained.
The nuts are loose.
The tires should be replaced.
The nuts are too tight.

Q.3

A driver should always:

Stay in the right lane.
Have an emergency plan.
Stay in the left lane.
Drive above the speed limit.

Q.4

To operate a vehicle that is used to transport hazardous materials, a driver must have:

Only a CDL.
A CDL with a hazardous materials endorsement.
A CDL with a passenger endorsement.
A CDL with an air brake endorsement.

Q.5

In very hot weather, tires should be checked regularly because:

They may melt.
Air pressure may increase with the temperature.
The tread wears down extra quickly.
The lug nuts may loosen.

Q.6

If the words "Inhalation Hazard" appear on a package, a ____ placard must be used.

Poison gas
Explosive
Radioactive
Danger

Q.7

Outage:

Should not be considered when loading liquid cargo.
Is the same for each liquid.
Should be considered when determining how much liquid to load into a tank.
Is only a concern in warm weather.

Q.8

Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:

Need more space to turn and stop.
Drive more slowly.
Are twice the width.
Swerve more often.

Q.9

What does the trailer air supply control look like?

It is a square blue knob.
It is a triangular yellow knob.
It is an eight-sided red knob.
It is a circular orange knob.

Q.10

If unsure if a trailer is equipped with ABS, you can:

Check under the trailer for wheel speed sensors coming from the back of the brakes.
Try driving on a slippery surface and see if ABS kicks in.
Assume it does have ABS.
Remove a tire and look for the ABS sensor on the axle.

Q.11

How could you reduce your stress while driving?

Drink a caffeinated beverage
Talk on your cell phone
Gesture at other drivers
Listen to calming music

Q.12

Roads are most slippery right after it begins to rain because:

The water mixes with oil and grease on the road.
The roads are naturally slippery.
The gravel gets washed to the middle of the lane.
Some tires are not designed for rain.

Q.13

Avoid needing to make sudden lane changes by:

Using your horn to encourage other drivers to move out of your lane.
Only driving slower than the posted speed limit.
Watching the road ahead while driving.
Pulling off the road and waiting when there is high traffic.

Q.14

Hydroplaning usually occurs:

When tires are properly inflated.
At speeds under 15 mph.
In areas where water collects on the road.
During the evening.

Q.15

A Class 7 hazardous material is:

Explosive.
Flammable.
Radioactive.
Corrosive.

Q.16

Carrying liquids in a leaking tank:

Is acceptable if it is only for a short distance.
Is illegal.
Is not dangerous if it is raining.
Is acceptable if you are running behind schedule.

Q.17

What is the average driver’s reaction time?

One-sixteenth of a second
One-eighth of a second
Between three-quarters of a second and one second
Two seconds

Q.18

A loss of air pressure in the emergency line will cause:

The suspension springs to extend.
The tractor protection valve to open.
The rear trailer to detach from the combination.
The emergency brakes to activate.

Q.19

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.20

When driving, it is important to:

Keep your attention focused in front of your vehicle.
Look only to the front and right side of your vehicle.
Look only to the front and sides of your vehicle.
Look to the front, sides, and rear of your vehicle.

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