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Indiana
Indiana CDL Knowledge Test Class B 1
Answers
Q.1.
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.
Placing the vehicle in reverse before moving forward.
Fully engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in neutral before moving forward.
Q.2.
When driving under wet conditions, what does a lack of spray from other vehicles indicate?
Ice has formed on the road.
The pavement is dry.
The spray is caught on the underside of the vehicle.
The tires have soaked up all the moisture.
Q.3.
If your tractor is equipped with ABS but your trailer is not, the ABS:
Will not be effective.
Will still improve your steering control.
Will make jackknifing easier.
Will allow others to see when you brake.
Q.4.
A vehicle’s center of gravity is:
Not important.
Only important in bad weather.
Only important during short trips.
Very important.
Q.5.
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Set the control to normal.
Set the control to the off position.
Set the control to neutral.
Keep the control at the halfway mark.
Q.6.
If required to complete a vehicle inspection report in writing, the report must be signed:
Every day.
Only if defects have been noted and certified to have been repaired.
Only if the repairs are estimated to cost more than $1,000.
Only if requested to do so by a law enforcement officer.
Q.7.
Most CDL holders have ____ licenses.
Excepted
Exempted
Non-excepted
Non-exempted
Q.8.
In an emergency, if you must leave the roadway to drive on the shoulder, you should:
Brake as hard as possible.
Steer so all wheels are on the shoulder.
Stop safely before returning to the road, if possible.
Stay on the shoulder until the next exit.
Q.9.
If using air tanks with manually operated drains, how often should you drain the tanks?
Every day
Once a week
Once a month
Once every six months
Q.10.
When you need to brake, how can you warn drivers behind you?
Tap on the brakes a couple of times.
Stick your arm out the window.
Swerve within your lane.
Change lanes.
Q.11.
When you must travel down a grade, when should you switch into a lower gear?
Before beginning the grade
After you have already started the grade
As far down the grade as possible
At the bottom of the grade
Q.12.
When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
To see if the vehicle is on an incline.
To see if there are any fresh fluids under the vehicle.
To see if the vehicle is in a parking spot.
To see if the vehicle is on a decline.
Q.13.
The brake pedal is part of which braking system?
The service brake system
The parking brake system
The emergency brake system
The auxiliary brake system
Q.14.
Emergency brakes:
Are not required on trucks.
Are only required on trailers.
Are required on tractors.
Are optional.
Q.15.
Why are roads particularly slippery right after it begins to rain?
Water mixes with grease and oil on the road.
Roads are naturally slippery.
Gravel gets washed to the middle of the lane.
Some tires are not designed for rain.
Q.16.
A high center of gravity:
Makes a vehicle more susceptible to rollover.
Is encouraged in inclement weather.
Is required on some roads.
Improves fuel efficiency.
Q.17.
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.18.
If you must drive in reverse, it is helpful to:
Drive as fast as possible and get it over with.
First exit the truck and walk the path to look for obstacles.
Use only the passenger side mirror.
Stick your head out the window and look backward.
Q.19.
When backing with a trailer:
You should not back up in a straight line.
You should not correct drift until you are very far off course.
You should pull up to reposition the vehicle as needed.
You should avoid braking.
Q.20.
During the vehicle inspection test, you will be required to do all of the following, except:
Walk around the vehicle.
Point to or touch each item.
Explain what you are checking and why.
Crawl under the vehicle.
Q.21.
When only the tractor is equipped with an Anti-Lock Braking System (ABS):
There is a decreased risk of jackknifing.
There is an increased risk of jackknifing.
The brakes will not work as effectively as they would without ABS.
The brakes will become more sensitive.
Q.22.
On a leaf spring, the leaves:
May be broken.
Are not required.
Should not be broken.
Should shift.
Q.23.
When changing lanes, you should not:
Use your turn signal.
Check your mirrors.
Check your blind spot.
Expect other drivers to clear your path.
Q.24.
When driving down a steep grade, your brakes may fade. What happens if brakes fade?
They become quieter.
They become less effective.
They work better than usual.
They work differently from front to back.
Q.25.
When covering cargo, a cover that flaps in transit:
Is acceptable.
Allows air to get to the cargo to keep it cool.
Can tear away.
Can attract birds.
Q.26.
When using a fire extinguisher on a fire, you should:
Get as close to the fire as possible.
Stay as far away from the fire as possible.
Aim the extinguisher at the top of the flames.
Aim the fire extinguisher at the ground about two feet away from the fire.
Q.27.
Failing to exit your vehicle properly during an exercise in the basic vehicle control skills test will result in:
Failure of only that exercise.
A reset of that exercise.
Automatic failure of the basic vehicle control skills test.
An extra point against your score.
Q.28.
When driving on the expressway during the skills test, you should:
Switch lanes frequently.
Use your mirrors to check traffic as needed.
Drive on the left side of the lane.
Drive above the posted speed limit.
Q.29.
The air entering air storage tanks may contain:
Water and compressor oil.
Frost.
Gravel.
Antifreeze.
Q.30.
When doing an inspection, ensure that the brake pads are:
Covered with grease.
Covered with coolant.
Covered with oil.
Free of oil or grease.
Q.31.
Rough acceleration:
Can damage a vehicle.
Is necessary to warm up parts of the engine.
Is encouraged to improve gas mileage.
Should be done on surfaces with poor traction.
Q.32.
A cargo cover that flaps while you are driving:
Is acceptable.
Allows air to keep the cargo cool.
Can tear away.
Can attract birds.
Q.33.
In an emergency situation, you should:
Always respond by stopping.
Not always respond by stopping.
Never respond by swerving.
Always turn on your flashers to warn other drivers.
Q.34.
Bridges usually:
Freeze, but only once the temperature drops significantly below 32 degrees Fahrenheit.
Freeze after other road surfaces freeze.
Freeze before other road surfaces.
Have heaters to prevent them from freezing.
Q.35.
An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
125 psi.
100 psi.
150 psi.
80 psi.
Q.36.
Texting while driving a CMV is:
Acceptable if the text is work-related.
Acceptable if there are fewer than 10 words in the text message.
Encouraged because it is safer than talking on the phone.
Prohibited.
Q.37.
Spring brakes come on:
When too much air pressure is lost.
When a control on the dashboard is activated.
When the tires have minimal tread depth.
When the brakes are noisy.
Q.38.
A header board is used to:
Allow a driver to see behind them.
Protect the driver from moving cargo.
Provide extra storage capacity.
Prevent the driver from leaving the tractor.
Q.39.
If you must stop on the side of a highway, how far behind your vehicle should warning devices be placed?
5, 15, and 30 feet
10, 25, and 50 feet
10, 100, and 200 feet
100, 200, and 500 feet
Q.40.
You should cover cargo:
To protect the cargo from thieves.
To protect the cargo from weather.
To prevent other drivers from looking at what is being transported.
To keep the cargo a secret.
Q.41.
Which of the following surfaces provides the least amount of traction?
Ice that is dry
Ice that is wet
Wet pavement
Dry pavement
Q.42.
When testing a parking brake, the vehicle should:
Not be running.
Be placed in a low gear while the driver attempts to pull forward.
Be inspected by a professional mechanic.
Be driven while the parking brake is applied.
Q.43.
Poisonous fumes can enter the cab due to:
A defective exhaust system.
The wrong type of fuel being used.
A lack of oil in the engine.
Under-inflated tires.
Q.44.
On a wet road, you should reduce your speed:
By about one-half.
By about one-third.
By about one-quarter.
By about one-eighth.
Q.45.
The driver is responsible for:
Inspecting the cargo.
Packaging the cargo.
Weighing the cargo.
Researching the cargo’s origins.
Q.46.
When an engine is started:
The brakes should be locked up.
Warning lights should come on and then quickly turn off.
The coolant temperature will decrease.
The hood must be open.
Q.47.
To inspect slack adjusters on S-cam brakes, you need to:
Park on a hill and test the brakes.
Put on gloves and push in the slack adjusters.
Remove the drum and look inside.
Chock the wheels and disengage the parking brake.
Q.48.
A pre-trip inspection:
Should never be completed the same way two times in a row.
Should always be completed in the same order.
Should only be done if it is sunny outside.
Should not be done if the driver thinks the vehicle is in good operating order.
Q.49.
If transporting 30 feet of cargo on a flatbed trailer, you should use a minimum of ____ to restrain the cargo.
One tie-down
Two tie-downs
Three tie-downs
Four tie-downs
Q.50.
What is black ice?
A thick layer of ice on the road
A thin layer of ice on the road
Ice that is black from debris on the road
Ice that is easily seen
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