Logo TestGru USA
Home Categories Forum Login Support
This test is for educational purposes only. Our platform is not operated by the College Board, DMV, or any official government agency. For official exam information, visit the relevant agency websites.

US Louisiana DMV CDL Combination Vehicles Test 4

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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 Louisiana: shows trailer ABS fault.
A) True
B) False
Question 2
True or false in Louisiana: watch dash + trailer lamp at startup.
A) True
B) False
Question 3
True or false in Louisiana: fully raised for travel.
A) True
B) False
Question 4
True or false in Louisiana: know clearance, never stop on tracks.
A) True
B) False
Question 5
True or false in Louisiana: 6+ seconds at speed.
A) True
B) False
Question 6
True or false in Louisiana: service, emergency, parking.
A) True
B) False
Question 7
True or false in Louisiana: connected, sealed, no leaks or tangles.
A) True
B) False
Question 8
True or false in Louisiana: keeps tractor air if trailer breaks away.
A) True
B) False
Question 9
True or false in Louisiana: pull trailer supply, check tractor brakes hold.
A) True
B) False
Question 10
True or false in Louisiana: driving tractor without trailer.
A) True
B) False
Question 11
True or false in Louisiana: single truck.
A) True
B) False
Question 12
True or false in Louisiana: a tool box.
A) True
B) False
Question 13
True or false in Louisiana: any order.
A) True
B) False
Question 14
True or false in Louisiana: engine surge.
A) True
B) False
Question 15
True or false in Louisiana: speed through.
A) True
B) False
Question 16
True or false in Louisiana: speeding.
A) True
B) False
Question 17
True or false in Louisiana: paint check.
A) True
B) False
Question 18
True or false in Louisiana: parking.
A) True
B) False
Question 19
True or false in Louisiana: drive fast.
A) True
B) False
Question 20
True or false in Louisiana: fuel flow.
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