Prepare like a Pro!
- 6 timed real-life sets
- Full explanations from the DMV Handbook
- Submit your email at the end of the test to review answers at any time
Timed Test 1
You should not move a severely injured person at a crash scene unless...?
They are in immediate danger
They request you to
They are holding up traffic
Any of these apply
In the event of a cargo fire in a van or box trailer, you should...
drive to the closest service station for assistance
keep the doors shut
keep the doors open
park close to the road so other vehicles can see the danger and call for assistance
The B:C type fire extinguisher is designed to work on burning wood, paper, and cloth
The Gross Combination Weight Rating is the...
maximum total weight of a power until plus trailer(s) plus the cargo as specified by the manufacturer
total weight of a powered unit plus trailer(s) plus the cargo
maximum total weight of a single vehicle plus its load specified by the manufacturer
total weight of a single vehicle plus its load
A top-heavy load is dangerous because it can cause
a rollover if you swerve around a hazard
all of the above
a rollover on a curve
damage to the axles or steering
What is the minimum distance between tie downs to prevent shifting of cargo?
Every eighteen feet
Every ten feet
Every six feet
If you are transporting livestock,
use false bulkheads with less than a full load
rollover is less likely
give livestock enough room to roam freely
there is always a high center of gravity
Why should you exercise special care when transporting dry bulk tanks?
Low center of gravity
There is no particular reason why you need to exercise special care to transport dry bulk tanks
Dry bulk tanks are the most expensive cargo items to carry
High center of gravity and the load can shift
Speed up smoothly and gradually and avoid jerking
"Hammer down" when you wheels start to spin
Do not engage the clutch before you take your foot off the brake
Always use the parking brake to slow down
Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?
When backing your vehicle, which of the following is NOT recommended?
Backing as slow as possible
Use the lowest reverse gear
Back towards the right side
Back and turn towards the driver's side
Which of the following is NOT a basic skill needed to operate a commercial vehicle?
Ability to back the vehicle safely
Ability to accelerate
Ability to multitask while driving
Ability to steer
Which of these is NOT a rule to follow for backing safely?
Combine backing and turning toward the driver's side whenever you can
Accelerate slightly to complete the backing process quickly
Make use of a helper as often as possible
Back slowly while using your mirrors
Which of the following provide extra gears on some trucks?
Both of the Above Answers
Multi-Speed Rear Axles
Road rage is the act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others
In some emergencies, you may have to drive off the road and onto the shoulder in order to avoid collision with another vehicle. If possible, you should avoid
keeping one set of wheels on the pavement
using the brake until your speed has dropped to about 20 mph
All of the above
coming to a complete stop before returning to the road
If an oncoming driver has drifted to your lane, the best thing to do is...?
Stay in the center of the lane
Move to the right
Move to the left
Hold whatever position you are in
On older brake systems, the ABS lamp may stay on until you reach a speed in excess of...?
You're driving a rig on which only the trailer, not the tractor, has ABS. What should you do?
Avoid heavy braking
Brake harder than usual
Turn off ABS
Which of these should you NOT do during a drive wheel skid?
Steer into the skid
If your oil pressure is below the indicated limit, you should...?
Top it up at the end of the day
Top it up at your next stop
Note it on your report
Which of the following is a good thing to do when driving at night?
Keep your speed slow enough that you can stop within the range of your headlights
Look directly at oncoming headlights briefly
Wear sunglasses to reduce headlight glare
Keep your instrument lights bright
Which of these is the only reliable way to get rid of fatigue?
Open your cab windows
Turn up your radio
Stop and sleep
Drink caffeinated beverages
Should you turn the retarder off when the road is wet, icy, or snow covered?
No, because the engine retarder will have no effect on traction
Yes, whenever your drive wheels have poor traction the retarder may cause a skid
No, because you need more braking power then
At which of these points in a rainstorm will the road be most slippery?
One hour after the rain starts
Just before the rain starts
Just after the rain starts
20 minutes after the rain starts
Which of the following is NOT a main concern when you are driving in very hot weather?
Tar bubbling up and causing slippery roadways
Driving slowly enough to prevent overheating
Loose belts possibly causing overheating
Your seat belt causing you to sweat
If you have to swing out to make a right-hand turn, you should do so by taking up...?
Any of these depending on circumstances
The center of the intersection
The left-hand lane of the road you are leaving
The left-hand lane of the road you are turning into
The average perception time (time taken to identify a hazard) for an alert driver is one and three-quarter seconds. At 55 mph, how far will you travel in this time?
According to the Handbook, children present a hazard because
they don't know how to drive
they don't know that trucks are dangerous
they often have grudges against truck drivers
they move quickly without checking traffic
At 80 mph, the force of your impact if you strike a person or vehicle will be how much greater than if you were traveling at 20 mph?
When crossing a railroad track, you should never...?
Do any of these things
Tests have shown that trucks with a high center of gravity can roll over on curves when traveling...?
At the speed limit
10 mph over the speed limit
15 mph over the speed limit
20 mph over the speed limit
If you are stopped on an incline, how can you start moving without rolling back?
Fully engage the clutch
Shift to neutral
Aggressively pump the accelerator
Apply the parking brake
What is the safest speed when you are driving in heavy traffic?
As fast as possible, to get out of the way
The speed of other traffic (if not illegal or unsafe)
15 mph below the speed of other traffic
The posted speed limit
If your vehicle has curved (also called convex, fisheye, spot, bugeye) mirrors, you must remember that objects will appear...?
Larger and further away than they are
Smaller and closer than they are
Smaller and further away than they are
Larger and closer than they are
When making a turn, you should turn off your signal...?
Once your turn is fully completed
Once 75% of the turn is completed
As soon as you begin to turn
Once past the apex of the turn
What is a problem that you can have when using your mirrors?
They are of no help when you are changing lanes
They never remain in the positions you have placed them
There are blind spots that your mirrors cannot show you
Where should you place your reflectors when stopped on a divided highway or one lane highway?
20 feet, 50 feet, and 100 feet toward approaching traffic
50 feet, 100 feet, and 150 feet toward approaching traffic
100 feet, 200 feet, and 300 feet toward approaching traffic
10 feet, 100 feet, and 200 feet toward approaching traffic
Should you always be looking into the distance ahead?
No, you should shift your attention back and forth, near and far
Yes, you should be prepared for all problems ahead
Yes, by concentrating on the vehicle directly ahead you will be prepared for all emergencies
Which of these equals the total stopping distance?
Reaction distance + braking distance
Perception distance + reaction distance + braking distance
Reaction distance + braking distance + signal distance
Perception distance + reaction distance
You're pulled over for weaving between lanes. If you refuse to take an alcohol sobriety test, you may be disqualified just as if you WERE driving under the influence (DUI). This is because...
reasonable cause law
none of the above
higher standard of care law
implied consent law
If you do not have a Hazardous Materials Endorsement on your CDL, you can
not transport any type of hazardous material
only transport liquid hazardous materials
drive a vehicle that carries hazardous materials if it does not require placards
transport hazardous materials if your employer lets you
Keep the brake drums from failing
Keep the load secure
Keep the axles in place
Keep the steering wheel tight
What are some steering system defects to look for?
Steering wheel play of five degrees
Steering wheel play of two degrees
Missing nuts, bolts, cotter keys or other parts; bent, loose or broken parts
During a seven-step inspection, checking the engine compartment does NOT include checking
the battery fluid level
the oil pressure gauge
the engine oil level
the coolant level in the radiator
If your vehicle's landing gear is power-operated, you will need to check for
None of the listed answers
Oil on the ground
Air or hydraulic leaks
A commercial motor vehicle (CMV) is defined as...
All of the above
A vehicle transporting 16 or more passengers
A vehicle transporting hazardous materials
A vehicle with a gross weight over 26,001 lbs.
Which of the following are potential suspension system defects?
Cracked or broken spring hangers
Broken leaf in a spring
Leaking shock absorbers
All of the above
As you check your signal lights, you should...?
Wipe each one clean
Do all of these things
Tap the bulb of each one
Tick each one off on a list
Which of these should you do during a trip as part of your en route inspection?
Check critical items when you stop, such as brakes, tires, and lights
Pay attention with your senses to possible problems
Do all of the above
Watch your gauges to check for trouble