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Indiana CDL Class B Knowledge Test 1
Practice mode
Question
1
of 25
QUESTION 1 / 25
If driving a vehicle with a manual transmission, you can prevent your vehicle from rolling backward when starting from a stop by:
Choose one answer below.
A
Partly engaging the clutch before removing your foot from the brake pedal.
✓
B
Placing the vehicle in reverse before moving forward.
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C
Fully engaging the clutch before removing your foot from the brake pedal.
✓
D
Placing the vehicle in neutral before moving forward.
✓
QUESTION 2 / 25
When driving under wet conditions, what does a lack of spray from other vehicles indicate?
Choose one answer below.
A
Ice has formed on the road.
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B
The pavement is dry.
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C
The spray is caught on the underside of the vehicle.
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D
The tires have soaked up all the moisture.
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QUESTION 3 / 25
If your tractor is equipped with ABS but your trailer is not, the ABS:
Choose one answer below.
A
Will not be effective.
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B
Will still improve your steering control.
✓
C
Will make jackknifing easier.
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D
Will allow others to see when you brake.
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QUESTION 4 / 25
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Choose one answer below.
A
Set the control to normal.
✓
B
Set the control to the off position.
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C
Set the control to neutral.
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D
Keep the control at the halfway mark.
✓
QUESTION 5 / 25
If required to complete a vehicle inspection report in writing, the report must be signed:
Choose one answer below.
A
Every day.
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B
Only if defects have been noted and certified to have been repaired.
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C
Only if the repairs are estimated to cost more than $1,000.
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D
Only if requested to do so by a law enforcement officer.
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QUESTION 6 / 25
Most CDL holders have ____ licenses.
Choose one answer below.
A
Excepted
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B
Exempted
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C
Non-excepted
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D
Non-exempted
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QUESTION 7 / 25
In an emergency, if you must leave the roadway to drive on the shoulder, you should:
Choose one answer below.
A
Brake as hard as possible.
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B
Steer so all wheels are on the shoulder.
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C
Stop safely before returning to the road, if possible.
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D
Stay on the shoulder until the next exit.
✓
QUESTION 8 / 25
If using air tanks with manually operated drains, how often should you drain the tanks?
Choose one answer below.
A
Every day
✓
B
Once a week
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C
Once a month
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D
Once every six months
✓
QUESTION 9 / 25
When you need to brake, how can you warn drivers behind you?
Choose one answer below.
A
Tap on the brakes a couple of times.
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B
Stick your arm out the window.
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C
Swerve within your lane.
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D
Change lanes.
✓
QUESTION 10 / 25
When you must travel down a grade, when should you switch into a lower gear?
Choose one answer below.
A
Before beginning the grade
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B
After you have already started the grade
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C
As far down the grade as possible
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D
At the bottom of the grade
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QUESTION 11 / 25
When approaching a vehicle for a pre-trip inspection, a driver should look under the vehicle:
Choose one answer below.
A
To see if the vehicle is on an incline.
✓
B
To see if there are any fresh fluids under the vehicle.
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C
To see if the vehicle is in a parking spot.
✓
D
To see if the vehicle is on a decline.
✓
QUESTION 12 / 25
The brake pedal is part of which braking system?
Choose one answer below.
A
The service brake system
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B
The parking brake system
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C
The emergency brake system
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D
The auxiliary brake system
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QUESTION 13 / 25
Emergency brakes:
Choose one answer below.
A
Are not required on trucks.
✓
B
Are only required on trailers.
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C
Are required on tractors.
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D
Are optional.
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QUESTION 14 / 25
Why are roads particularly slippery right after it begins to rain?
Choose one answer below.
A
Water mixes with grease and oil on the road.
✓
B
Roads are naturally slippery.
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C
Gravel gets washed to the middle of the lane.
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D
Some tires are not designed for rain.
✓
QUESTION 15 / 25
A high center of gravity:
Choose one answer below.
A
Makes a vehicle more susceptible to rollover.
✓
B
Is encouraged in inclement weather.
✓
C
Is required on some roads.
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D
Improves fuel efficiency.
✓
QUESTION 16 / 25
When trying to put out an electrical fire:
Choose one answer below.
A
Use water.
✓
B
Use a B or C extinguisher.
✓
C
Use an X extinguisher.
✓
D
Use a Q extinguisher.
✓
QUESTION 17 / 25
If you must drive in reverse, it is helpful to:
Choose one answer below.
A
Drive as fast as possible and get it over with.
✓
B
First exit the truck and walk the path to look for obstacles.
✓
C
Use only the passenger side mirror.
✓
D
Stick your head out the window and look backward.
✓
QUESTION 18 / 25
When backing with a trailer:
Choose one answer below.
A
You should not back up in a straight line.
✓
B
You should not correct drift until you are very far off course.
✓
C
You should pull up to reposition the vehicle as needed.
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D
You should avoid braking.
✓
QUESTION 19 / 25
During the vehicle inspection test, you will be required to do all of the following, except:
Choose one answer below.
A
Walk around the vehicle.
✓
B
Point to or touch each item.
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C
Explain what you are checking and why.
✓
D
Crawl under the vehicle.
✓
QUESTION 20 / 25
When only the tractor is equipped with an Anti-Lock Braking System (ABS):
Choose one answer below.
A
There is a decreased risk of jackknifing.
✓
B
There is an increased risk of jackknifing.
✓
C
The brakes will not work as effectively as they would without ABS.
✓
D
The brakes will become more sensitive.
✓
QUESTION 21 / 25
On a leaf spring, the leaves:
Choose one answer below.
A
May be broken.
✓
B
Are not required.
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C
Should not be broken.
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D
Should shift.
✓
QUESTION 22 / 25
When changing lanes, you should not:
Choose one answer below.
A
Use your turn signal.
✓
B
Check your mirrors.
✓
C
Check your blind spot.
✓
D
Expect other drivers to clear your path.
✓
QUESTION 23 / 25
When driving down a steep grade, your brakes may fade. What happens if brakes fade?
Choose one answer below.
A
They become quieter.
✓
B
They become less effective.
✓
C
They work better than usual.
✓
D
They work differently from front to back.
✓
QUESTION 24 / 25
When covering cargo, a cover that flaps in transit:
Choose one answer below.
A
Is acceptable.
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B
Allows air to get to the cargo to keep it cool.
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C
Can tear away.
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D
Can attract birds.
✓
QUESTION 25 / 25
When using a fire extinguisher on a fire, you should:
Choose one answer below.
A
Get as close to the fire as possible.
✓
B
Stay as far away from the fire as possible.
✓
C
Aim the extinguisher at the top of the flames.
✓
D
Aim the fire extinguisher at the ground about two feet away from the fire.
✓
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