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Indiana CDL Double Test 1
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Question
1
of 20
QUESTION 1 / 20
How does doubling your speed from 20 mph to 40 mph affect your vehicle's braking distance?
Choose one answer below.
A
It stays about the same.
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B
It increases slightly.
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C
It doubles.
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D
It quadruples.
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QUESTION 2 / 20
Rollovers happen when:
Choose one answer below.
A
A truck driver is driving too fast.
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B
The driver of a vehicle in front of a truck is moving to slowly.
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C
A truck driver is driving too slowly.
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D
ABS is working effectively.
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QUESTION 3 / 20
What is the minimum permitted size of a placard?
Choose one answer below.
A
Four square inches
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B
Seven square inches
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C
10 ¾ square inches
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D
32 square inches
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QUESTION 4 / 20
Air tank drains:
Choose one answer below.
A
Allow rain water to enter the tank.
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B
Are used to drain water and compressor oil from the air tank.
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C
Should never be opened.
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D
Must remain open during transit.
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QUESTION 5 / 20
When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:
Choose one answer below.
A
Turning on your four-way flashers.
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B
Honking your horn.
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C
Turning on your headlights.
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D
Turning on your windshield wipers.
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QUESTION 6 / 20
To confirm that a trailer has ABS, you can:
Choose one answer below.
A
Look under the trailer for wheel speed sensors coming from the back of the brakes.
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B
Look under the hood for the ABS sticker.
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C
Look at the tires.
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D
Remove a tire and look for the ABS sensor on the axle.
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QUESTION 7 / 20
When using road speed to know when to switch gears, you should:
Choose one answer below.
A
Learn what speeds each gear is good for and shift up when necessary.
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B
Watch other vehicles and try to keep pace.
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C
Watch other trucks and shift when they shift.
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D
Use the speed limit as a guide.
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QUESTION 8 / 20
When uncoupling a dolly, you should:
Choose one answer below.
A
Unlock the pintle hook before moving the dolly out from under the rear trailer.
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B
Move the dolly out from under the rear trailer before unlocking the pintle hook.
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C
Raise the dolly landing gear.
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D
Remove the dolly as quickly as possible.
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QUESTION 9 / 20
A driver should always:
Choose one answer below.
A
Stay in the right lane.
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B
Have an emergency plan.
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C
Stay in the left lane.
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D
Drive faster than the posted speed limit.
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QUESTION 10 / 20
When backing, it is best to:
Choose one answer below.
A
Rely only on the passenger’s side mirror.
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B
Try to back up quickly.
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C
Turn toward the passenger’s side whenever possible.
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D
Use a helper, if possible.
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QUESTION 11 / 20
Which of the following is not a problem?
Choose one answer below.
A
Loose or broken exhaust pipes
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B
Loose or broken mounting brackets
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C
Exhaust parts rubbing against fuel system parts
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D
Exhaust system parts that are not leaking
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QUESTION 12 / 20
During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
Choose one answer below.
A
10 psi in a minute.
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B
8 psi in a minute.
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C
6 psi in a minute.
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D
4 psi in a minute.
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QUESTION 13 / 20
What is another name for the service line?
Choose one answer below.
A
Control line
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B
Exchange line
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C
Surplus line
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D
Parallel line
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QUESTION 14 / 20
When doing an inspection, make sure your brake pads are:
Choose one answer below.
A
Covered in grease.
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B
Covered in coolant.
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C
Covered in oil.
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D
Free of oil and grease.
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QUESTION 15 / 20
The parking brake should be:
Choose one answer below.
A
Used whenever you park your vehicle.
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B
Used while driving.
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C
Set when driving in bad weather.
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D
Removed.
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QUESTION 16 / 20
Fully-loaded rigs:
Choose one answer below.
A
Are less likely to roll over than empty rigs.
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B
Are more likely to roll over than empty rigs.
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C
Are just as likely to roll over as empty rigs.
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D
Should not be driven.
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QUESTION 17 / 20
You must put out emergency warning devices within ____ of stopping on the side of the road.
Choose one answer below.
A
One minute
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B
10 minutes
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C
45 minutes
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D
Two hours
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QUESTION 18 / 20
When checking your mirrors:
Choose one answer below.
A
Do not use the passenger side mirror.
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B
Do not use the driver's side mirror.
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C
Both mirrors should be used.
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D
Look in each mirror for long stretches of time.
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QUESTION 19 / 20
If involved in a crash, basic procedures should include all of the following, except:
Choose one answer below.
A
Protecting the area.
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B
Notifying the proper authorities.
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C
Caring for the injured.
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D
Driving away without stopping.
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QUESTION 20 / 20
Which of the following types of vehicles is most prone to the “crack-the-whip" effect?
Choose one answer below.
A
An automobile
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B
A three-axle tractor
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C
A bobtail tractor
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D
A triple combination
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