Q.1
Header boards:
Q.2
To avoid a crash:
Q.3
A modulating control valve can control the:
Q.4
When it is difficult to see other vehicles, such as at dawn or dusk, you should:
Q.5
When driving under wet conditions, what does a lack of spray from other vehicles indicate?
Q.6
When a vehicle is started:
Q.7
Radial and bias-ply tires:
Q.8
If a vehicle is equipped with power steering, you should inspect:
Q.9
Overloading a vehicle with cargo can affect all of the following, except:
Q.10
What must be on an air tank in an air-braked vehicle?
Q.11
How many air storage tanks are used in an air brake system?
Q.12
If approaching a railroad crossing while driving a placarded vehicle, you should always:
Q.13
If confronted by an aggressive driver, you should:
Q.14
If equipped, a header board should:
Q.15
Who is responsible for cargo that has been loaded onto a truck?
Q.16
To confirm that a trailer has ABS, you can:
Q.17
When starting a vehicle, the coolant temperature gauge should:
Q.18
When starting the engine of a truck with a trailer, how can you tell if the Anti-Lock Braking System (ABS) is not working?
Q.19
Areas of the road that are shaded:
Q.20
What should you do if your vehicle gets stuck on railroad tracks?
Q.21
When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:
Q.22
Livestock:
Q.23
When checking windshield wiper blades, they should be:
Q.24
The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
Q.25
If you’re unfamiliar with the area in which you must back up, you should:
Q.26
To make it easier to leave a parked position, you should park:
Q.27
Emergency brakes are:
Q.28
To ensure you do not interfere with traffic while driving a heavy vehicle, you should:
Q.29
If the spring brakes are on, you should:
Q.30
After starting a trip while transporting cargo:
Q.31
Trailers should:
Q.32
The minimum acceptable tread depth for rear tires is:
Q.33
When driving a truck requiring a CDL:
Q.34
You should always be able to stop within:
Q.35
Hydroplaning:
Q.36
When you double your speed from 20 to 40 mph, your vehicle's braking distance will become ____ times longer.
Q.37
How should you check your hydraulic brakes?
Q.38
In order to receive a hazardous materials endorsement, a person must complete all of the following, except:
Q.39
After a trip:
Q.40
If driving in a foggy area, you should not:
Q.41
Which of the following is not a possible cause of a fire?
Q.42
Which of the following is the best advice for driving in fog?
Q.43
How much water needs to be on the surface of a road for a vehicle to hydroplane?
Q.44
A vehicle equipped with an Anti-Lock Braking System (ABS) uses a ____ light to warn that the system is not working properly.
Q.45
When operating a vehicle with a dual brake system, a driver should:
Q.46
Your CDL will be revoked if:
Q.47
You must put out emergency warning devices within ____ of stopping on the side of the road.
Q.48
What can happen if one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected?
Q.49
A convex mirror is sometimes called a ____ mirror.
Q.50
Which of the following is not a reason to use your mirrors?
0 h : 0 m : 1 s