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US Iowa DMV CDL General Knowledge Test 5

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content
DMV Iowa — Cdl General DMV — Iowa (USA, State Traffic Law) USA — Iowa State DMV & FMCSA (MUTCD) — USA
What is this test? for Iowa DMV Cdl General permit/CDL, USA (MUTCD) — DMV — Iowa (USA, State Traffic Law) level, USA — Iowa.
Is this for you? For driver candidates in Iowa, USA — Cdl General permit/CDL (16+, State DMV)
Section: DMV Iowa — Cdl General · Education: High School & Adult (16+) · Part: DMV Iowa — Cdl General · Country: USA · Region: USA — Iowa

The DMV written test is an important step measuring driver candidates' knowledge of traffic laws, first aid, and vehicle technology.

This test reinforces your theoretical knowledge and provides the fundamentals needed to pass the exam and become a safe driver.

By solving this test of 20 questions, you can both test your knowledge and identify the topics you need to improve.

Question 1
True or false in Iowa: 2/32 inch.
A) True
B) False
Question 2
True or false in Iowa: about 1 inch free play max.
A) True
B) False
Question 3
True or false in Iowa: buzzer/light at ~55-75 psi.
A) True
B) False
Question 4
True or false in Iowa: blocking debris spray.
A) True
B) False
Question 5
True or false in Iowa: constantly, every few seconds.
A) True
B) False
Question 6
True or false in Iowa: tailgating, speeding, unsafe passes.
A) True
B) False
Question 7
True or false in Iowa: stay calm, disengage, report.
A) True
B) False
Question 8
True or false in Iowa: stop, secure, aid, report.
A) True
B) False
Question 9
True or false in Iowa: ABC rated, charged, mounted.
A) True
B) False
Question 10
True or false in Iowa: pull, aim, squeeze, sweep.
A) True
B) False
Question 11
True or false in Iowa: warming engine only.
A) True
B) False
Question 12
True or false in Iowa: 20 hours straight.
A) True
B) False
Question 13
True or false in Iowa: same thing.
A) True
B) False
Question 14
True or false in Iowa: snacks only.
A) True
B) False
Question 15
True or false in Iowa: never.
A) True
B) False
Question 16
True or false in Iowa: toll prices.
A) True
B) False
Question 17
True or false in Iowa: 2 seconds.
A) True
B) False
Question 18
True or false in Iowa: brakes only.
A) True
B) False
Question 19
True or false in Iowa: neutral coast.
A) True
B) False
Question 20
True or false in Iowa: new brakes.
A) True
B) False

About This Test

For Drivers 16+ & CDL (USA, 51 States × 9 Topics) — State DMV permit and CDL General, Air Brakes, Combination, HazMat and Tanker per MUTCD & FMCSA state law. Section: DMV & CDL, USA.

DMV & CDL USA — 51 States (incl. DC) × 9 topics = 4,400+ tests: Road Signs (MUTCD), Traffic Laws, First Aid, Vehicle Technique, Motorcycle, CDL General Knowledge, Air Brakes, Combination, HazMat. State traffic law + FMCSA. 8×20Q per state-topic.

DMV Forum: no toxic driving shaming; respect first — auto-moderation → (content hidden) for profanity/insults in topics & replies.

Study Tips:

  • Study your state manual first
  • Master signs before laws
  • Do motorcycle/CDL separately
  • Drive kind — Forum kind