CDL B Flashcards
How many hours of sleep will maintain alertness?
7-8 hours
Tread depth in front tires require _________ inches in major grooves
4/32
Tread depth in any other tire except for the front tires require __________ inches in major grooves
2/32
If one fourth of the leaves in a leaf spring are missing:
Then the vehicle will be put out of service until it is fixed
A broken exhaust system:
Can allow poisonous fumes to enter the cabin
When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
To see if there are any fresh fluids on the ground
A pre-trip inspection should include:
A check of the engine oil level
When starting the engine of a truck with a trailer, you can tell that your vehicles ABS is not working if:
The yellow light on the left rear of the trailer stays on
When starting an engine, oil pressure should come up to a normal level:
Within seconds
How can you check for a leak in hydraulic breaks?
Pump the break pedal three times, then hold down the pedal for five seconds. If the pedal moves, there may be a problem
When stopping a manual transmission vehicle, you should:
Push the clutch in when the engine is close to idle
When backing with a trailer, you should begin by:
Turning the steering wheel in the direction opposite of the turn
When backing up, follow a turning trailer by:
Changing the direction of the steering wheel
If you remain in neutral for too long while switching gears:
You may have trouble putting the vehicle into the next gear
Scan the road ______ ahead of your vehicle
12-15 seconds
To warn drivers behind you that you will be slowing down, you should:
Tap your brake pedal a few times to illuminate your brake lights
When driving on a wet road, you should reduce your speed by:
1/3
When driving on packed snow, you should reduce your speed by:
1/2 or more
You should maintain at least _______ of following distance per every 10 feet of your vehicle when you are traveling slower than 40 mph
1 Second
If you are turning left at an intersection where there are two available turn lanes:
It is best to use the right lane
Slow down and be extra careful:
When approaching a work zone
In cool weather, as the temperature begins to rise and ice begins to melt:
The road will become even more slippery
When near a railroad crossing:
You may not hear a train, even if one is approaching
To avoid a hazard, you:
May need to swerve your vehicle out of the way
After an accident, flares should be used with caution because:
There may be fuel spilled on the ground that could catch fire
If you have an engine fire, you should:
Turn off the engine as soon as possible
When putting out an electrical fire:
Use a B:C extinguisher
If you’re not sure what to do to extinguish a fire in your vehicle, you should:
Wait for the firefighters
When using a fire extinguisher on a fire, you should:
Stand as far away from the fire as possible
You may not consume alcohol with _________ of going on duty
4 hours
The only way to sober up after consuming alcohol is to:
Wait
How many sides of the car must placards be if carrying hazardous cargo:
All 4 sides
When loading cargo, it is important to:
Know the weight capacity rating of the suspension system
Cargo should be covered:
To protect from spillage
What is the Gross Vehicle Weight Rating (GVRW)?
The maximum permitted total weight of a vehicle and its cargo
You should use at least _______ to secure cargo on a flatbed trailer
2 Tie-downs
Bracing is used to:
Prevent items from moving in a trailer
If transporting livestock, drivers should be concerned about:
The vehicles weight shifting as the animals move
A truck may need to be under the legal maximum weight limit when being driven:
On a mountainous road
Too little weight on a steering axle can result in:
Poor traction
Dry bulk tanks require special care because:
They have a high center of gravity
You should cover cargo:
To protect cargo from weather
When carrying a sealed load, the driver:
Should ensure the weight of the cargo does not violate weight limits
A second conviction of operation a CMV with a minimum blood alcohol concentration of 0.04 percent will result in:
The loss of your CDL for life
While still below the legal limit, a driver operation a CMV with a detectable amount of alcohol in their system will:
Result in an out-of-service order for 24 hours
If you are disqualified from driving:
You must notify your employer within two business days
It is illegal to operate a CMV with a minimum alcohol content (BAC) of:
0.04 percent
If asked by a law enforcement officer to take a test to determine your blood alcohol concentration (BAC):
You will lose your CDL if you refuse to take the test
Your CDL will be revoked if:
Your privilege to operate your personal vehicle is revoked
If convicted of a traffic violation, you must inform your employer:
Within 30 days
During the steering box portion of the vehicle inspection test, you should not:
Assume all cotter keys are present
When performing a pre-trip inspection and looking into the fifth wheel gap, you should:
Make sure the locking jaws are fully closed around the kingpin
Move over laws require:
All vehicles to vacate the lane closest to an emergency vehicle that is stopped with its lights flashing
Emergency equipment in a vehicle is:
Required
Mirror adjustments can only be checked properly if:
The trailer is straight
If unable to tell if the road is becoming icy and slippery, a driver:
May open their window and feel the front of the side mirror for ice
A stopped bus:
Is a concern, whether passengers are visible or not
Headlights:
Should be on the high beam setting whenever possible
Black ice is:
A thin layer of ice on the road
Before entering a curve, you should:
Downshift
When driving, it is important to:
Look to the front, sides, and rear of your vehicle
When making a turn, when should you cancel your turn signal?
After the turn is completed
The maximum amount of play that is safe on a 20-inch steering wheel is:
2 inches
If you identify a distracted driver on the road, you should:
Give them plenty of room
When conducting a pre-drive inspection:
The previous inspection report should be reviewed, if applicable
In low temperatures, bridges usually freeze:
Before other parts of the roadway
If a vehicle is equipped with power steering, the hoses should be checked:
For leaks
You will often have to drive your vehicle under bridges and overpasses. If approaching such an opening, you should:
Assume the posted clearance height is accurate
A ramp’s posted speed limit:
Is suitable for some vehicles, but may be too fast for large CMV
Parked trucks may be hazardous because:
People are often in a hurry when exiting such trucks and may not look for other vehicles
How do ice cream trucks become hazardous to other drivers?
Children often run toward an ice cream truck without looking for other traffic
When a vehicle is started, warning lights and buzzers:
Should turn off within a few seconds
After two violations of any state law regarding hand-held mobile phone use:
Your CDL will be disqualified
One way to avoid becoming an aggressive driver is to :
Set realistic expectations regarding travel time
When passing another vehicle, you should:
Assume the other driver does not see you
One way to prevent drowsiness while driving is to:
Get adequate sleep the night before the trip
If driving so slowly that you could impede other drivers, you should:
Drive while using your four-way flashers
If driving through flowing water or a large puddle, you should:
Gently apply the brakes
What are placards?
Signs placed on a vehicle to identify cargo hazards
Distracted driving:
Can be avoided by not engaging in complex conversations while driving
What is reaction distance?
The distance you will travel between realizing you must brake and when you physically hit the brakes
When passing a row of parked vehicles, a driver should:
Watch for signs of a person exiting a vehicle
When backing with a trailer, turning towards the driver’s side is encouraged because:
The driver will have the best possible view
In very hot weather, tires should be checked regularly because:
Air pressure may increase with the temperature
When driving:
You should always use your turn signals to warn others about your intentions
If you must stop on the side of the highway, how behind your vehicle should warning devices be placed?
10, 100, and 200 feet
In an emergency, if you must leave the roadway to drive on the shoulder, you should:
Stop safely before returning to the road, if possible
When inspecting a power steering-equipped vehicle, you should be sure that:
The fluid is at the proper level
When stopping:
The brake pedal should be pressed gradually
If you must drive in reverse, it is helpful to:
First exit the truck and walk the path to look for obstacles
Dual tires should:
Not come in contact with one another
Most heavy vehicles require __________ to change gears
Double clutching
The two indicators that determine when you should upshift are:
Engine speed and road speed
Leaking shock absorbers:
Indicate a potentially dangerous defect
If you need to travel down a hill, you should switch in to a lower gear:
Before you start moving downhill
For safety purposes, when should you turn off a retarder:
When the roadways are slippery
When checking your vehicle’s lights before driving:
The engine should be turned off
When testing a parking break, the vehicle should:
Be placed in a lower gear while the driver attempts to pull forward
When parked on the side of the road, you should:
Use your four-way flashers
If driving a vehicle with a manual transmission, you can prevent your vehicle from rolling backward when starting from a stop by:
Partly engaging the clutch before removing your foot from the brake pedal
How does doubling your speed from 20 mph to 40 mph affect your vehicles braking distance:
It quadruples
When backing, it is best to:
Use a helped if possible
A truck should be parked:
So that it can be pulled forward to leave the space
When using your mirrors, you should frequently look at your tires to:
Watch for tire fires
You must put out emergency warning devices within _________ of stopping on the side of the road
10 minutes
Texting while driving a CMV is:
Prohibited
How could you reduce your stress while driving?
Listen to calming music
If an aggressive driver confronts you, you should not:
Challenge them
When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:
Brake as you would in a vehicle not equipped with ABS
If an approaching driver is using their high beam headlights, you should:
Look to the right side of your lane until the vehicle has passed
If you are driving at a reduced speed in a construction zone when you spot a construction worker near the road, you should:
Further reduce your speed
If you realize you may be running late to your destination, you should:
Deal with it and drive at a safe speed
Joggers who are wearing headsets:
May not be aware of what is happening around them
A person working on a disabled vehicle on the shoulder of a road:
May be focused on the repair and not paying attention to roadway traffic
What is the purpose of a vehicle inspection report?
It tells the motor carrier about problems that may need to be fixed
An open automobile window in cold weather may indicate that the driver is:
Driving impaired
While driving, you should:
Develop plans to get out of any dangerous situation that could arise
If an aggressive driver is involved in a crash on the road ahead of you, you should:
Stop after the crash scene and report the driver’s aggressive behavior to the police
The radiator cap:
Should not be removed when the coolant is hot
