Iowa CDL Double 2 - DMV Written Test Questions with Answers - MCQGeeks.com

Q.1

Rims with welding repairs:

Are not safe to be used.
Are acceptable to be used on tires on the rear of a vehicle.
Are acceptable to be used only when carrying a heavy load.

Q.2

Having anti-lock brakes on only one axle:

Will not make a difference in braking.
Will provide increased control in braking.
Will likely cause the air brakes to malfunction.

Q.3

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.4

Texting while driving is especially dangerous because:

It is both a mental and physical distraction.
A message may be upsetting to the driver.
People like to read and may become too engaged in their phones.

Q.5

After a tire has been changed, the driver should stop after a short distance to:

Check the tightness of the lug nuts.
Ensure that the tire has remained clean.
Inflate the new tire.

Q.6

If you cannot reverse your trailer in a straight path, you should:

Swerve back and forth while backing.
Back toward the driver's side.
Back toward the passenger's side.

Q.7

Rust around wheel nuts may mean:

It has rained recently.
The nuts could be loose.
The tires should be replaced.

Q.8

If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:

Keep pumping the brakes.
Turn the vehicle off.
Drive into an open field.

Q.9

When backing up, follow a turning trailer by:

Changing nothing. The vehicle will naturally follow the trailer.
Changing the direction of the steering wheel.
Turning the steering wheel even harder in the direction that it is already turning.

Q.10

When driving a vehicle equipped with an Anti-Lock Braking System (ABS), brakes should be applied:

In the same way as they would be in a vehicle without ABS.
As the vehicle is placed in neutral.
With the hand brake.

Q.11

A dual air brake system:

Consists of two separate air brake systems that share a single set of controls.
Is a single air brake system with two different sets of controls.
Consists of one air brake system for the left side of the truck and one system for the right side of the truck, each with its own set of controls.

Q.12

Rollovers happen when:

You drive too slowly.
You are stopped.
You take a turn too fast.

Q.13

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 on the ground.
To see if the vehicle is in a parking spot.

Q.14

If you’re not sure what to do to extinguish a fire in your vehicle, you should:

Use water.
Stay inside the vehicle.
Wait for the firefighters.

Q.15

If an aggressive driver is involved in a crash on the road ahead, you should:

Stop and confront the driver.
Stop a safe distance from the crash scene, wait for police to arrive, and tell them of the driver's behavior.
Block the driver in with your vehicle.

Q.16

When making a left turn, you should start the turn:

Before reaching the center of the intersection.
No sooner than the center of the intersection.
After your rear wheels have passed the center of the intersection.

Q.17

In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:

20 and 45 psi.
75 and 105 psi.
50 and 65 psi.

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 limits the amount of cargo

Q.19

Why should the steps of a pre-trip inspection be done in the same order each time?

Because you will be less likely to forget to check something
Because it will be faster
Because it is required by law

Q.20

When stopping, the brake pedal should be:

Pressed down quickly with both feet.
Pressed down gradually.
Lifted up quickly.

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