CDL General Knowledge Test Iowa 1 2026-03-29
CDL General Knowledge Test Iowa
Study online at https://quizlet.com/_8bl2eb
1. While driving, you're looking ahead of your vehicle. Look back and forth, near
What's the best way to do that? and far
2. When driving you should: Adjust your vehicle speed to
keep your stopping distance
within your sight distance.
3. Statistics prove that most skids are a result of: Driving too fast for condi-
tions.
4. If you drive in heavy rain or standing water, your Trailer Jackknife
brakes may get wet. What can this cause to happen
when you apply the brakes
5. What is true about the use of reflective emergency If you stop on a hill or curve,
triangles? it's necessary to place them
as much as 500 feet out to
provide adequate warning.
6. When driving through construction zones, you Watch for steep pavement
should: drop offs
7. if you break down on a level, straight, four lane, di- 10 feet, 100 feet, and 200
vided highway, where should you place the reflective feet from the rear of the ve-
emergency triangles? hicle.
8. According to the Commercial Driver's License Manu- It may startle other drivers.
al, why should you limit use of your vehicle's horn?
9. What is NOT proper use of brake lights? You should not flash your
brakes lights if someone is
following too closely.
10. The proper way to load a vehicle is:
1/5
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, CDL General Knowledge Test Iowa 2 2026-03-29
CDL General Knowledge Test Iowa
Study online at https://quizlet.com/_8bl2eb
Keep the load balanced in
the cargo area.
11. When driving a vehicle with a height of 13 feet, you Stop and check before pro-
should: ceeding if you are unsure of
clearance.
12. Controlled braking is: Applying firm brake pres-
sure, but not to the point of
lock up.
13. You're driving on a straight and level roadway at 60 Grip the steering wheel firm-
mph and suddenly a tire blows out on your vehicle. ly with both hands and stay
What should you do first? off the brakes until the vehi-
cle has slowed down.
14. What is true about tire size? Tires of mismatched sizes
should not be used on the
same vehicle.
15. Why do Hazardous Materials Regulations exist? To communicate a risk and to
contain a product.
16. What should you NOT do when backing a commercial Since you can't see behind
motor vehicle into a dock? you, you should back slowly
until you bump the dock.
17. As Alcohol begins to build up in the body what is Judgment and self-control
affected first?
18. What is true concerning cold weather driving? You should use windshield
washer fluid which contains
an anti-freeze.
2/5
CDL General Knowledge Test Iowa.pdf Page 2 CDL General Knowledge Test Iowa.pdf
CDL General Knowledge Test Iowa
Study online at https://quizlet.com/_8bl2eb
1. While driving, you're looking ahead of your vehicle. Look back and forth, near
What's the best way to do that? and far
2. When driving you should: Adjust your vehicle speed to
keep your stopping distance
within your sight distance.
3. Statistics prove that most skids are a result of: Driving too fast for condi-
tions.
4. If you drive in heavy rain or standing water, your Trailer Jackknife
brakes may get wet. What can this cause to happen
when you apply the brakes
5. What is true about the use of reflective emergency If you stop on a hill or curve,
triangles? it's necessary to place them
as much as 500 feet out to
provide adequate warning.
6. When driving through construction zones, you Watch for steep pavement
should: drop offs
7. if you break down on a level, straight, four lane, di- 10 feet, 100 feet, and 200
vided highway, where should you place the reflective feet from the rear of the ve-
emergency triangles? hicle.
8. According to the Commercial Driver's License Manu- It may startle other drivers.
al, why should you limit use of your vehicle's horn?
9. What is NOT proper use of brake lights? You should not flash your
brakes lights if someone is
following too closely.
10. The proper way to load a vehicle is:
1/5
CDL General Knowledge Test Iowa.pdf Page 1 CDL General Knowledge Test Iowa.pdf
, CDL General Knowledge Test Iowa 2 2026-03-29
CDL General Knowledge Test Iowa
Study online at https://quizlet.com/_8bl2eb
Keep the load balanced in
the cargo area.
11. When driving a vehicle with a height of 13 feet, you Stop and check before pro-
should: ceeding if you are unsure of
clearance.
12. Controlled braking is: Applying firm brake pres-
sure, but not to the point of
lock up.
13. You're driving on a straight and level roadway at 60 Grip the steering wheel firm-
mph and suddenly a tire blows out on your vehicle. ly with both hands and stay
What should you do first? off the brakes until the vehi-
cle has slowed down.
14. What is true about tire size? Tires of mismatched sizes
should not be used on the
same vehicle.
15. Why do Hazardous Materials Regulations exist? To communicate a risk and to
contain a product.
16. What should you NOT do when backing a commercial Since you can't see behind
motor vehicle into a dock? you, you should back slowly
until you bump the dock.
17. As Alcohol begins to build up in the body what is Judgment and self-control
affected first?
18. What is true concerning cold weather driving? You should use windshield
washer fluid which contains
an anti-freeze.
2/5
CDL General Knowledge Test Iowa.pdf Page 2 CDL General Knowledge Test Iowa.pdf
