MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Driving Test
Iowa
Iowa CDL Knowledge Test Class A 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
Submit
When should mirrors be adjusted?
While driving
Before driving
After driving
Q.2
Submit
Rims with welding repairs:
Are not safe to use.
Are acceptable to be used on tires in the rear of the vehicle.
Are acceptable to be used if carrying a light load.
Q.3
Submit
An application pressure gauge shows:
How much air pressure is being applied to the brakes.
How much air pressure is available.
How much air pressure is required to stop a vehicle.
Q.4
Submit
Skids caused by over-acceleration can usually be resolved by:
Removing your foot from the accelerator.
Braking.
Swerving to the right.
Q.5
Submit
The only way to sober up after consuming alcohol is to:
Take a cold shower.
Exercise.
Wait.
Q.6
Submit
When driving at night, you should do all of the following, except:
Make sure you are rested.
Make sure your glasses are clean.
Wear sunglasses.
Q.7
Submit
During a pre-trip inspection, belts should be:
Loosened.
Checked for tightness.
Scrubbed clean.
Left alone and not inspected.
Q.8
Submit
In cool weather, as the temperature begins to rise and ice begins to melt:
It is usually safe to drive.
The road will become even more slippery.
Traction will increase.
Q.9
Submit
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.10
Submit
Dry bulk tanks:
Cannot be driven on interstates.
Take special care to be driven.
Are usually not allowed to cross railroad tracks.
Q.11
Submit
Aggressive driving is:
Operating a vehicle in a selfish or pushy manner.
Operating a vehicle with a strong regard for other motorists’ safety.
Operating a vehicle in the left lane.
Q.12
Submit
Cargo with a high center of gravity:
Can make a vehicle likely to tip over.
Is encouraged in inclement weather.
Is required on some roads.
Q.13
Submit
Distracted driving can be avoided by:
Pre-programming radio stations.
Smoking while driving.
Eating while driving.
Q.14
Submit
What is removed when an air tank is drained?
Water and oil
Ammonia
Liquid cleaners
Q.15
Submit
Eating while driving is:
A good way to save time.
A dangerous activity.
Acceptable if you are eating foods that are easy to eat.
Q.16
Submit
If there is a fire in your vehicle, you should not:
Park in an area away from buildings, trees, brush, and other vehicles.
Pull into a service station.
Notify emergency services of your problem and your location.
Q.17
Submit
What should be done before transporting an over-length load?
Special transit permits should be acquired.
Fire departments along the route should be alerted.
Tolls should be paid.
Q.18
Submit
If you remain in neutral for too long while switching gears:
The vehicle will speed up.
You may have trouble putting the vehicle into the next gear.
You may kill the engine.
Q.19
Submit
If exiting a bus, a driver must:
Never make contact with the handrail.
Maintain contact with the handrail.
Move quickly.
Q.20
Submit
Which of the following is not a reason to cover cargo?
To protect people from spilled cargo
To protect the cargo from weather
To protect the cargo from animals
Q.21
Submit
As part of the vehicle inspection test, you will be asked to:
Explain what you would inspect and why.
Replace an electrical fuse.
Unload the trailer.
Q.22
Submit
Using the brakes creates heat. If too much heat is produced:
The brakes may not work.
The brakes may squeak more than usual.
The brakes will brake unevenly.
Q.23
Submit
If an air compressor is belt-driven, the belt should be routinely checked to ensure that it is:
Thin.
Properly tightened.
Cracked.
Q.24
Submit
If a vehicle is equipped with power steering, the hoses should be checked:
For leaks.
For the proper amount of brake fluid.
To ensure that they are connected to the battery.
Q.25
Submit
Texting while driving is:
Allowed if you are contacting your employer.
Allowed when driving on rural roads.
Not allowed.
Q.26
Submit
Hydroplaning happens most often when:
A vehicle is traveling faster than 60 mph.
Tire pressure is too low.
Tire tread is too deep.
Q.27
Submit
Always perform the steps of a pre-trip inspection in the same order each time because:
You will be less likely to forget something.
You will have more time to complete the inspection.
It is required by law.
Q.28
Submit
If your vehicle is hydroplaning, you should:
Turn the steering wheel as hard as possible.
Not use the brakes.
Put the vehicle in reverse.
Q.29
Submit
If confronted by an aggressive driver, you should:
Keep your vehicle in front of them.
Make eye contact with them
Ignore their gestures.
Q.30
Submit
While driving, gauges are:
Unreliable.
Unpredictable.
To be monitored for potential signs of trouble.
Q.31
Submit
Having weight loaded in a way that creates a high center of gravity:
Increases the likelihood of a rollover.
Increases the likelihood that items will fall down.
Increases the difficulty of unloading the cargo.
Q.32
Submit
Heights posted at bridges:
Are always accurate.
Are legally binding.
Can be incorrect.
Q.33
Submit
Roads are the most slippery right after it begins to rain because:
The water mixes with the oil and grease on the road that have not yet washed away.
Roads are naturally slippery.
The gravel gets washed into the middle of the lane.
Q.34
Submit
What is the average driver’s reaction time?
1/16 of a second
1/8 of a second
3/4 of a second
Q.35
Submit
A ____ allows a driver to gradually apply spring brakes.
Modulating control valve
Trailer air supply control
Relay valve
Q.36
Submit
Black ice is:
Usually thick.
Usually thin.
Not a hazard when driving.
Q.37
Submit
During the vehicle inspection test, you will be asked to:
Change a tire.
Explain to the examiner what you are inspecting and why.
Estimate the weight of a load on a trailer.
Q.38
Submit
When turning, you should:
Signal before the turn.
Turn off your turn signal just before starting the turn.
Signal only if vehicles are in front of you.
Q.39
Submit
When making a lane change, your turn signal:
Should always be used.
Should only be used if there is traffic present.
Should only be used between dusk and dawn.
Q.40
Submit
Oversized loads:
Can never be transported by a truck.
Should only be transported during the day.
Should receive proper authorization to ensure compliance with state and local laws.
Q.41
Submit
Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Green
Blue
Yellow
Q.42
Submit
You should not use your mirrors:
When changing lanes.
When making a turn.
To determine how fast you are traveling.
Q.43
Submit
Mirrors should be:
Checked only when changing lanes.
Checked frequently.
Checked only if there is a reason to suspect a problem.
Q.44
Submit
While driving, if you notice anything that affects safety or could lead to mechanical problems, you should:
Wait to see if the problem goes away.
Include the concerns in your written report.
Try to fix the issue yourself.
Q.45
Submit
When starting from a stop:
A vehicle should shift to the right.
A vehicle should be put into third gear.
A vehicle should not roll back.
Q.46
Submit
When starting your vehicle, the coolant temperature should:
Not change.
Increase gradually.
Quickly jump from low to high.
Q.47
Submit
Blocking a load:
Is dangerous and should never be done.
Helps to stabilize the load.
Is only done with liquid cargo.
Q.48
Submit
The center of gravity in a trailer should be:
As high as possible.
As low as possible.
At the rear of the trailer.
Q.49
Submit
If your vehicle is hydroplaning, you should:
Use the accelerator.
Not use the brakes.
Put the vehicle in a higher gear.
Q.50
Submit
Air brakes use ____ to function.
Compressed air
Liquid nitrogen
Carbon dioxide
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page