Oregon CDL Double 1 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

You must have an air brake endorsement:

To use a vehicle with air brakes.
To drive any truck with a trailer.
To transport hazardous materials.

Q.2

What can rust around the wheel nuts indicate?

That the nuts are loose.
That the nuts are wet.
That the nuts need to be replaced.
That the nuts are the wrong size.

Q.3

If turning to avoid a hazard:

You should brake hard.
You should not brake as it could cause the wheels to lock.
You should turn the wheel very sharply.
You should hold down the brakes until you are past the hazard.

Q.4

Poisonous fumes can enter the cab due to:

A defective exhaust system.
The wrong type of fuel being used.
A lack of oil in the engine.
Under-inflated tires.

Q.5

When trying to avoid a hazard:

Stopping is always effective.
Swerving may be more effective than stopping.
You may change lanes without looking.
You should drive on the shoulder.

Q.6

If coolant has to be added to a system without a recovery tank, you should:

Keep the vehicle running while adding coolant.
Open the radiator cap quickly.
Not use gloves to touch the radiator cap.
Wait for the engine to cool before adding coolant.

Q.7

When completing pre-trip inspections:

The inspections should be done the same way each time.
Different items should be checked each time.
It is acceptable to check items in a different order each time.
Not every item needs to be inspected each time.

Q.8

When should you slow for a curve?

Before entering the curve
While in the curve
After the curve

Q.9

Coupling can be tested by a driver:

Placing their fingers inside the coupling mechanism.
Pulling against the pin of the second semi-trailer.
Placing glue over the fifth wheel.
Releasing the orange lever in the cab.

Q.10

When a brake pedal is pressed and the S-cam is turned, the S-cam:

Presses the brake shoes against the inside of the brake drum.
Tightens the brake drum onto the axle.
Presses the brake lining against the wheel.
Releases air from the air tanks.

Q.11

If a vehicle is power steering-equipped, the hoses should be:

Checked for leaks.
Securely connected to the battery.
Carrying fuel.

Q.12

Driving at night is usually:

More difficult than driving during the day.
Simpler than driving during the day.
Discouraged.

Q.13

If you realize you may be running late to your destination, you should:

Speed up.
Get upset.
Deal with it and drive at a safe speed.

Q.14

To ensure that you do not slow down traffic when driving a large truck, you should:

Switch gears while driving uphill.
Try to pass another vehicle while driving uphill.
Stay in the right lane whenever possible.

Q.15

A truck should be parked:

So that it must be backed up to leave the space.
So that it can be pulled forward to leave the space.
On the grass.

Q.16

If you realize you may be running late to your destination, you should:

Drive faster.
Drive while using flashing lights so other road users move out of your path.
Drive at a safe speed and arrive when you arrive.
Get upset.

Q.17

Retreaded tires:

May be used on any part of a bus.
May be used on the front of a bus.
May be used on the rear of a bus.
May never be used on a bus.

Q.18

What is the Johnson bar?

A hand valve that works the trailer brakes
A valve that indicates the fuel level
A valve that measures the amount of liquid in the air brake system
A valve that allows for the release of excess pressure in the braking system

Q.19

During a walk-around inspection, ensure the release arm is properly seated and the safety latch or lock is:

Engaged.
Deactivated.
Polished.

Q.20

Anti-Lock Braking Systems (ABS):

Reduce a vehicle's normal braking capacity.
Are in addition to other braking systems and do not reduce a vehicle's braking power.
Are not effective on larger vehicles.

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