DMV CDL Practice Test 2 - Pre Trip Inspection

1 / 20

After the engine compartment it is best to move to the driver's side of vehicle, and then head into the cab.

A. True

B. False

This is true. It is best to get to the inside cab early. If you do not make it to the inside can you can automatically fail for not doing the CDL air brakes test.

2 / 20

At the side of the cab you should not check.

A. Fuel and air tanks.

B. Steps into the vehicle

C. None of these

D. Mirrors

E. Lights and reflectors

All these items will all appear on your CDL pre-trip. The correct answer is none of these.

3 / 20

The fuel and air tanks are checked for the same items except?

A. Mounting brackets and bolts

B. The cap

C. Hoses

D. No leaks

Both the fuel and air tanks should be checked for proper mount, no leaks, and good hoses. Only the fuel tank will have a cap so you may fill the tanks.

4 / 20

Steps leading into the vehicle should be?

A. Properly mounted and not damaged

B. Properly mounted

C. Properly mounted, not damaged, and all bolts tight and secure

D. Strong enough to support twice your weight

Make sure the steps are properly mounted, no damage, and bolts are present and secure.

5 / 20

Handrails should be checked for?

A. Mounted

B. Tight and secure

C. All bolts in place

D. All the above

Handrails will need to be tight and secure, properly mounted, all bolts in place, and no excessive damage.

6 / 20

Is it best to check the seat and the seatbelts before sitting down?

A. No

B. Yes

We suggest checking the seat and belt for securement and damage before sitting down. You will be in a hurry, and it is best to mention them when you see them.

7 / 20

The first thing you should check or do when you sit in the driver's seat is?

A. Buckle your seatbelt

B. Check the air horn

C. Turn on your lights

D. Start the vehicle

As soon as you sit in the driver's seat please buckle your seatbelt. If you move the vehicle at all without your seatbelt fastened it is an automatic fail.

8 / 20

Check your mirrors from the inside of the cab for?

A. No cracks

B. Adjusted so that you can see

C. Mounts

D. Clean

If you checked them for mounts, cracks, and clean while outside of the vehicle there is no need to state those again. Adjustment can only be checked from the driver's seat, but if you forgot to mention the mirrors on the outside of the vehicle you can check them now for everything.

9 / 20

Items inside the cab you must make function in order to get credit for them are?

A. Windshield wipers

B. Air and city horns

C. All answers are correct

D. Blower motors, temperature control, and diverter

E. Lights

If you just mention the wipers and do not check to make sure they work you will not get credit for them. This is true with all the answers here.

10 / 20

The steering wheel should be checked for?

A. None of the above

B. No play

C. No play exceeding 2" or 10 degrees

D. That it turns

Steering wheels should not have more than 2" of play or 10 degrees in a 20" wheel.

11 / 20

Before you start the vehicle you should check?

A. The vehicle is in neutral

B. All the above

C. Parking brake is set

D. Seat belt is fastened

Making sure the vehicle is in neutral, parking brake set, and seat belt on is steps to a safe start of the vehicle. You should also apply the clutch if equipped before starting.

12 / 20

These are all gauges that will need checked except?

A. None of these are correct

B. Air pressure gauge

C. Voltmeter

D. Oil pressure gauge

E. Water pressure gauge

We do not check the water pressure gauge, instead you should check the water temperature gauge.

13 / 20

The air pressure in a commercial vehicle should rise to governor cutout of?

A. 100 PSI

B. 160 PSI

C. 120 PSI

D. 150 PSI

Air pressure should rise to between 120-140 PSI.

14 / 20

Which gauge should be between 12-14, and in the green?

A. Air pressure

B. Fuel

C. Water temperature

D. Voltmeter

The voltmeter should be between 12-14, and in the green to be working properly.

15 / 20

What should the water temperature gauge do when you start the vehicle?

A. Nothing, then rise slowly as the vehicle warms up

B. Rise immediately

C. None of the above

D. Nothing

The temperature gauge will more than likely not move until the vehicle starts to warm up.

16 / 20

You don't have to make both the air and city horns work to get credit for them.

A. True

B. False

You need to make both the air and city horns work to get credit for checking them.

17 / 20

What interior lights do you need to check?

A. Left and right turn indicator lights

B. Instrument panel lights

C. Hazard indicators lights

D. High beam indicator light

E. All the above

You will need to check and make each light indicator work in order to get credit. While you are checking lights, it might not be a bad idea to check the dome light as well.

18 / 20

To test the parking brake you should have the trailer air supply in, trailer hand break released, and the parking brake _____?

A. Released

B. In

C. None of these

D. Out

The parking brake will need to be out or engaged to test the parking brake.

19 / 20

Testing the parking brake requires you to?

A. Pull against the engaged parking brake with no movement

B. Move the vehicle quickly and then apply the parking brake stopping the vehicle

C. Pull against the engaged parking brake with some movement

D. Move the vehicle slowly and then apply the parking brake stopping the vehicle

The vehicle will need to be stopped with parking brake applied, and the trailer air supply pushed in. Put the vehicle in gear and gently pull against the parking brake with no movement.

20 / 20

What should you remember to check while exiting the vehicle?

A. Condition of the exterior cab

B. Handrails and steps

C. Both A and B

D. Fuel tanks and air tanks

Best to make sure you check the handrails, steps, fuel tank, and air tanks at this time.

Iowa's CDL Practice Test 2