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Driving Test
Idaho
Idaho CDL Knowledge Test Class A 1
Answers
Q.1.
People working on a disabled vehicle:
Are probably aware of the roadway.
May be distracted by the repair and not pay attention to the roadway.
Are exempt from traffic laws.
Q.2.
Which of the following is not a type of tie-down equipment?
Velcro
Ropes
Straps
Q.3.
Vehicles driving behind a truck:
May have difficulty seeing objects in front of the truck.
Often have a great view of the roadway in front of them.
Do not need to signal.
Q.4.
If you are driving and the ABS light comes on, it means that the ABS:
Cannot work due to weather conditions.
Has just been activated.
Is not working properly.
Q.5.
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.6.
If the coolant temperature gauge goes above the highest safe temperature, you should:
Continue to drive.
Pull over and figure out what's wrong.
Run the air conditioner.
Q.7.
Drowsy driving is most common during:
The night.
The early morning.
The mid-afternoon.
Q.8.
You should check and adjust your mirrors:
Before driving.
While driving.
After driving.
Q.9.
Escape ramps are ramps that can be used:
Only by automobiles, not trucks.
To leave the highway and enter a two-lane highway.
To stop runaway vehicles on steep downhills.
Q.10.
Steering wheel play should be no more than:
10 degrees.
50 degrees.
75 degrees.
Q.11.
Lights that indicate that anti-lock brakes are not working are:
Gray.
Blue.
Yellow.
Q.12.
When checking your mirrors:
The passenger side mirror should not be used.
The driver's side mirror should not be used.
Mirrors on both sides of the vehicle should be used.
Q.13.
If approaching a vehicle with a distracted driver, you should:
Quickly pass the vehicle.
Maintain a safe distance from the vehicle.
Closely follow the vehicle.
Q.14.
When you must travel down a hill, when should you switch into a lower gear?
As you begin to move downward
As you go downhill and pick up speed
Before you start going downhill
Q.15.
If you must back up, it is helpful to:
Drive as fast as possible to complete the maneuver quickly.
First walk the line of travel to look for obstacles.
Use only the passenger side mirror.
Q.16.
Most heavy vehicles use the ____ method when changing gears.
Double clutching
Double shifting
Triple clutching
Q.17.
When driving at highway speeds, you should watch the road about ____ ahead of your vehicle.
One block
100 yards
A quarter mile
Q.18.
When driving a truck requiring a CDL:
You do not need to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You must always wear a seat belt.
Q.19.
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.20.
If backing a truck:
You should rely on your mirrors to guide you.
You should first walk the area to become more familiar with obstacles.
You should look straight ahead.
Q.21.
If you plan to transport hazardous materials, you must pass which endorsement test?
Tank
Hazardous materials
Passengers
Q.22.
If a vehicle is equipped with an Anti-Lock Braking System (ABS), when the vehicle is started:
The brakes should lock up.
The ABS indicator light should turn on, then quickly shut off.
The steering wheel will not move until the air tanks are full.
Q.23.
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.24.
Traction is important in:
Safe braking.
Properly using turn signals.
Operating the horn.
Q.25.
Air tank drains:
Should not be used in cold weather.
Are helpful to remove water and oil from the air tanks.
Are used to move air to the brakes.
Q.26.
If exiting a bus, a driver must:
Never make contact with the handrail.
Maintain contact with the handrail.
Move quickly.
Q.27.
ABS brakes:
Help you avoid wheel lockup.
Lock up your vehicle's wheels.
Prevent your vehicle from accelerating when going uphill.
Q.28.
When completing an offset back/left parking maneuver, a driver should:
Pull straight forward, then back to the left.
Drive straight back, then pull forward to the left.
Pull straight forward, then drive straight back.
Q.29.
When loading a trailer, it is important to:
Place as little weight as possible over the axles.
Place a well-balanced amount of weight over the axles.
Place weight over only the axles.
Q.30.
On any upgrade, gravity will:
Speed your vehicle up.
Slow your vehicle down.
Not impact your speed.
Q.31.
Bridges usually:
Do not freeze.
Have heaters to prevent them from freezing.
Freeze before other surfaces.
Q.32.
When a vehicle is started, the coolant temperature should:
Decrease.
Rise slowly.
Jump quickly.
Q.33.
Reading a text message while driving is:
Encouraged.
Allowed only if you are not pulling a trailer.
Illegal.
Q.34.
Which of the following is not an indicator of when to change gears?
Engine speed (rpm)
Road speed (mph)
The speed of the vehicle next to you
Q.35.
A person driving with an open window in cold weather may be:
A distracted driver.
A person who is dressed inappropriately.
A person who likes fresh air.
Q.36.
When slowing down, you should ____ to warn other drivers
Use a turn signal
Sound your horn
Tap your brakes
Q.37.
Rust around wheel nuts may mean:
It has rained recently.
The nuts could be loose.
The tires should be replaced.
Q.38.
On a leaf spring:
Leaves should shift.
Leaves can be missing.
Leaves should not be broken.
Q.39.
When driving, being aware of what is happening behind you is:
Not important.
Important.
Distracting.
Q.40.
Hanging meat:
Should never be transported by trailer.
Can be an unstable load.
Must be approved by the Environmental Protection Agency (EPA).
Q.41.
The tire load for a tire is stated:
On the side of the tire.
On the inside of the tire.
On the inside of the driver’s door.
Q.42.
When driving a vehicle, rough acceleration is:
Encouraged at slow speeds.
Encouraged at all speeds.
Discouraged at all speeds.
Q.43.
Cargo inside a trailer:
Does not need to be secured.
Should be stacked no more than three feet high.
Should be secured to prevent movement.
Q.44.
How can a driver maintain alertness while driving?
Stay fit and healthy
Keep the cab warm
Eat heavy foods
Q.45.
A driver may have:
Two licenses: one for automobiles and one for trucks.
Only one license.
A license for every state in which they drive.
Q.46.
If being tailgated, you should:
Increase your speed.
Increase the amount of space between your vehicle and the vehicle in front of you.
Make quick movements.
Q.47.
Who is responsible for ensuring cargo is loaded properly?
The driver
The shipper
The recipient
Q.48.
Hanging meat as cargo is:
Illegal to transport in most states.
Always easy to transport.
Usually unstable.
Q.49.
What is a retarder?
A device that prevents a vehicle from going too fast
A device that prevents a vehicle from being too loud
A device that improves a vehicle's gas mileage
Q.50.
When passing a row of parked vehicles, a driver should:
Stay close to the vehicles.
Watch for signs of a person exiting a vehicle.
Flash their headlights.
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