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US Georgia DMV CDL Combination Vehicles Test 8

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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
What is a combination vehicle?
A) tractor plus trailer(s)
B) bus
C) single truck
D) van
Question 2
What is a converter dolly?
A) a light
B) a tool box
C) a spare tire
D) device coupling doubles
Question 3
How couple doubles?
A) rear trailer, dolly, front trailer in order
B) no order
C) front first always
D) any order
Question 4
What is the crack-the-whip effect?
A) rear trailer swings in turns
B) tire pop
C) engine surge
D) brake lock
Question 5
How prevent rollover in combos?
A) slow well below curve speed
B) brake in curve
C) speed through
D) no need
Question 6
What is off-tracking in combos?
A) speeding
B) rear follows shorter path
C) brake wear
D) tire brand
Question 7
How check coupling?
A) radio test
B) paint check
C) fifth-wheel jaws locked, no gap
D) tire shine
Question 8
What is trailer hand valve for?
A) fueling
B) parking
C) lights
D) testing trailer brakes only
Question 9
How test trailer emergency brakes?
A) no test
B) charge, pull supply, tug test
C) visual only
D) drive fast
Question 10
What is a shut-off valve for?
A) lights
B) fuel flow
C) controls air to rear in doubles
D) horn
Question 11
How many valves on last trailer?
A) all open
B) none open (all closed)
C) one open
D) half open
Question 12
What is the air line order?
A) drive then connect
B) connect service+emergency before moving
C) one line enough
D) no lines
Question 13
How inspect pintle hook?
A) no chains
B) rust fine
C) loose ok
D) latched, safety chains crossed
Question 14
What are safety chains for?
A) noise
B) looks
C) backup coupling if hook fails
D) weight
Question 15
How brake with empty trailers?
A) no brakes
B) same
C) gentler (light trailers lock easily)
D) harder
Question 16
What is trailers jackknifing?
A) turning wide
B) tractor-trailer folds in skid
C) parking trick
D) coupling step
Question 17
How avoid jackknife?
A) slam brakes
B) steady braking, no sudden moves
C) jerk wheel
D) speed up
Question 18
How handle doubles in wind?
A) slow, extra space, firm grip
B) stop in lane
C) speed up
D) ignore
Question 19
What is rearward amplification?
A) brake force
B) fuel use
C) last trailer moves most
D) engine power
Question 20
How lane change with doubles?
A) tailgate first
B) quick swerve
C) no signal
D) slower, more space, signal long

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