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Oregon
Oregon CDL Knowledge Test Class B 2
Answers
Q.1.
The parking brake should be:
Used whenever you park the vehicle.
Used while driving.
Set when driving in bad weather.
Used to stop the vehicle in normal driving.
Q.2.
Rust around wheel nuts may mean:
It recently rained.
The nuts are loose.
The tires should be replaced.
The nuts are too tight.
Q.3.
Which of the following is not an example of a distracted person who should concern motorists?
A driver talking to a passenger in their vehicle
A person sitting on a bench waiting for a bus
A construction worker on the side of the road
Q.4.
Which of the following is a good rule to follow when making a turn?
Honk your horn.
Use your arms to get the attention of other drivers.
Turn off your turn signal before entering the turn to avoid confusing other drivers.
Signal early.
Q.5.
When cargo is being loaded, weight should be placed:
As high as possible.
As low as possible.
As close to the cab as possible.
Q.6.
Cargo on flatbed trailers should be:
Tied down.
Glued down.
Left loose.
Pushed to one side.
Q.7.
When driving, it is important to:
Keep your attention focused in front of your vehicle.
Look only to the front and right side of your vehicle.
Look only to the front and sides of your vehicle.
Look to the front, sides, and rear of your vehicle.
Q.8.
Laws about securing loads and regulating CMV weights may vary from state to state. During interstate travel:
The law of the state in which the trip originated takes precedence.
The law of the state the vehicle is in takes precedence.
The driver should request federal regulations to override conflicting state laws.
The driver can choose which state’s laws to follow.
Q.9.
During a pre-trip inspection, belts should be:
Loosened.
Checked for tightness.
Scrubbed clean.
Left alone and not inspected.
Q.10.
After a tire has been changed, the driver should stop after a short distance to:
Check the tightness of the lug nuts.
Ensure that the tire has remained clean.
Inflate the new tire.
Q.11.
When near a railroad crossing:
You should expect to hear every approaching train.
You may not hear a train, even if one is approaching.
You will hear two short blasts of a train's horn if a train is approaching.
Q.12.
To ensure you do not interfere with traffic while driving a heavy vehicle, you should:
Switch gears while driving uphill.
Try to pass other vehicles while driving uphill.
Stay in the right lane.
Ride the brakes while driving downhill.
Q.13.
When driving, the steering wheel should be:
Held with one hand.
Held with both hands on opposite sides of the wheel.
Held with both hands at the bottom of the wheel.
Held with both hands at the top of the wheel.
Q.14.
During the vehicle inspection test, you will be asked to:
Change a tire.
Explain to the examiner what you would inspect and why.
Estimate the weight of a load in a trailer.
Change a windshield wiper.
Q.15.
When stopping in an emergency situation, you should:
Veer your trailer to the right and stop.
Stop in a straight line.
Veer your trailer to the left and stop.
Q.16.
Livestock:
Should never be transported on a trailer.
Must be inspected by a law enforcement officer.
Can cause unsafe handling when being transported on a trailer due to their movement.
Can only be transported by a person registered as a farmer.
Q.17.
Manual air tank drains should be:
Opened to drain the tanks after each day.
Left open while driving.
Sealed with glue.
Q.18.
Talking on a hands-free phone while driving:
Does not distract the driver.
Only distracts the driver if the driver is speaking.
Can be distracting to the driver.
Q.19.
When trying to put out an electrical fire:
Use water.
Use a B or C extinguisher.
Use an X extinguisher.
Use a Q extinguisher.
Q.20.
Air tank drains:
Allow rain water to enter air tanks.
Are used to drain water and oil from air tanks.
Should never be opened.
Must remain open while driving.
Q.21.
If mirrors are dirty before starting a trip:
They will likely become clean after driving a short distance.
It should not be a concern.
They should be cleaned before the vehicle is driven.
Q.22.
When trying to put out an electrical fire, you should:
Use water.
Use a B:C extinguisher.
Use an X extinguisher.
Q.23.
Poisonous fumes can enter a cab due to:
A defective exhaust system.
Using the wrong type of fuel.
A lack of oil in the engine.
Q.24.
Anti-Lock Braking Systems (ABS):
Reduce a vehicle's normal braking capacity.
Are in addition to other braking systems and do not reduce a vehicle's braking power.
Are not effective on larger vehicles.
Q.25.
Emergency brakes:
Are not required on trucks.
Are only required on trailers.
Are required on tractors.
Are optional.
Q.26.
After a vehicle is started, the engine oil pressure should come up to normal:
Within seconds.
Within five minutes.
Within three minutes.
After five minutes.
Q.27.
When traveling down a hill:
Your speed will not change.
Your speed will decrease.
Your speed will increase.
You will slow to a stop.
Q.28.
The steering wheel should be:
Held with both hands.
Held with one hand to keep the other hand free.
Held with one hand at a time, alternating between hands.
Q.29.
Fuel records supporting IFTA quarterly fuel use tax returns must be kept by carriers for:
One year.
Two years.
Three years.
Four years.
Q.30.
Dry bulk tanks require special care because:
They have low centers of gravity.
They have high centers of gravity.
Loads are usually stable.
They are usually overloaded.
Q.31.
Scan the road ____ ahead of your vehicle.
Two to three seconds
Five to six seconds
12 to 15 seconds
Q.32.
When driving under wet conditions, a lack of spray coming from the tires of other vehicles indicates that:
Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.
Q.33.
As part of the vehicle inspection test, a CDL applicant may be asked to:
Check the engine oil level.
Replace a tire.
Remove the alternator belt.
Q.34.
If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be?
Loose
Tight
Cracked
Bumpy
Q.35.
When inspecting the engine compartment, you should not:
Check the engine oil level.
Check the coolant level in the radiator.
Drain the brake fluid.
Check the windshield washer fluid level.
Q.36.
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.37.
When backing, you should:
Move quickly to get out of other drivers' ways.
Try not to use the mirrors.
Use a helper, if possible.
Q.38.
During a trip, gauges are:
Often misleading.
The only way a driver can learn of potential trouble with the vehicle.
A way to learn of potential trouble with the vehicle.
Q.39.
Header boards:
Should never be used.
Protect the driver from being hit by cargo.
Protect the driver's head when entering the cab of a truck.
Provide extra storage.
Q.40.
If feeling tired and frequently yawning, you should:
Press on and continue driving.
Get some coffee.
Drive faster.
Pull over and take a nap.
Q.41.
When traveling with cargo, the cargo should be checked:
Only before the trip.
Before the trip and after the first 50 miles.
Only by loading personnel.
Only after arriving to the final destination.
Q.42.
Air tanks usually hold enough compressed air:
For one stop before needing to be refilled.
For several stops before needing to be refilled.
For a day’s worth of braking.
For an unlimited number of stops.
Q.43.
During the driving test, the examiner will be scoring you on:
Attitude.
How quickly you arrive to your destination.
Your general driving behavior.
Q.44.
To affect a vehicle, ABS:
Must be on all axles.
Must be on the rear axle.
Can be on as few as one axle.
Q.45.
Blocking a load:
Is only done with liquid cargo.
Helps to stabilize the load
Is dangerous and should never be done.
Q.46.
If making a tight turn, the operator of a CMV should:
Be able to drive as fast as the driver of a car.
Not be concerned about speed, but focus on the road.
Warn drivers behind by braking early and slowing gradually.
Q.47.
When conducting a pre-drive inspection:
The inspection report is not important.
The inspection report must only be reviewed if there will be passengers in the vehicle.
The previous inspection report should be reviewed, if applicable.
Q.48.
Rough acceleration:
Is distracting.
Is a good way to stay awake on long trips.
Can cause mechanical damage.
Should be used to prevent rust from forming.
Q.49.
Rims with welding repairs:
Are not safe to be used.
Are acceptable to be used on tires on the rear of a vehicle.
Are acceptable to be used only when carrying a heavy load.
Q.50.
After a vehicle is started, warning lights and buzzers:
Should stay on for several minutes.
Should turn off within a few seconds.
Should stay on until manually turned off.
Should remain on.
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