Can occur as a result of mental activities, such as daydreaming.

Only occurs as a result of people who are physically doing something while driving.

Is encouraged on uncrowded roads.

Oregon CDL Tank 1 - DMV Written Test Questions with Answers

Q.1

Most heavy vehicles use the ____ method when changing gears.

Double clutching
Double shifting
Triple clutching

Q.2

When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:

To see if the vehicle is on an incline.
To see if there are any fresh fluids under the vehicle.
To see if the vehicle is in a parking spot.
To see if the vehicle is on a decline.

Q.3

When a tire goes flat, you may hear a loud bang. The truck will be affected:

Immediately.
After a short delay.
Only if the damaged tire is near the front of the truck.
Only if the truck is hauling a load.

Q.4

How should you brake if your vehicle's ABS is not working?

Brake normally, as you will still have functioning brakes.
Pump the brake repeatedly.
Press the brake pedal down as hard as you can.

Q.5

When trying to control a minor truck fire, what should you do before opening trailer doors?

Check to see if the doors are hot.
Throw water on the doors.
Remove your protective equipment.

Q.6

When driving with a tank, the driver should:

Increase their following distance.
Make sudden stops.
Swerve periodically.
Deflate their tires.

Q.7

Class 1, Class 2.1, and Class 3 items should not be placed in a trailer with:

A heater.
An air conditioner.
Other items.
Paper.

Q.8

Rollovers happen when:

You drive too slowly.
You are stopped.
You turn too quickly.
You plan an escape route.

Q.9

Distracted driving:

Is not a concern.
Only occurs as a result of people who are physically doing something while driving.
Can occur as a result of mental activities, such as daydreaming.
Is encouraged on uncrowded roads.

Q.10

How often are hazardous materials employees required to be trained and tested?

Once every year
Once every three years
Once every five years

Q.11

When traveling down a downgrade, the speed of a vehicle will likely:

Decrease.
Not change.
Increase.
Match the speed of traffic.

Q.12

Before driving a tank, you should:

Check pipes, connections, and hoses for leaks.
Make sure manhole covers do not have gaskets.
Ensure all valves are open.
Open the drain valves.

Q.13

What does the vehicle inspection report do?

Inform the motor carrier about problems that may need fixing
Ensure that the vehicle is inspected regularly
Keep people accountable for inspecting the vehicle

Q.14

If you are transporting hazardous materials and the cargo is on fire, you should:

Try to put it out with a fire extinguisher.
Contact emergency personnel and let them battle the fire.
Hope the fire goes out by itself.

Q.15

When are people usually the least alert?

In the morning
In the early evening
Late at night

Q.16

When passing another vehicle, you should:

Make eye contact with the other driver.
Assume the other driver doesn’t see you.
Honk your horn.
Wave to other drivers.

Q.17

When a vehicle is started, the coolant temperature should:

Decrease.
Rise slowly.
Jump quickly.

Q.18

The emergency air line:

Is controlled by the foot brake.
Is connected to the relay valves.
Supplies air to the trailer air tanks.
Prevents skids.

Q.19

Look for matching colors when coupling glad hands. Service lines are often:

Green.
Orange.
Red.
Blue.

Q.20

When the wheels of a trailer lock up:

The trailer will stay straight.
The trailer tends to swing around.
The cab will swing, but the trailer will stay straight.
They will likely go flat.