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US Nebraska DMV CDL Combination Vehicles Test 6

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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 Nebraska: one type.
A) True
B) False
Question 2
True or false in Nebraska: visual only.
A) True
B) False
Question 3
True or false in Nebraska: fuel valve.
A) True
B) False
Question 4
True or false in Nebraska: with doubles.
A) True
B) False
Question 5
Which is correct about CDL combination vehicles in Nebraska?
A) single truck
B) tractor plus trailer(s)
C) van
D) bus
Question 6
What is a combination vehicle?
A) single truck
B) tractor plus trailer(s)
C) van
D) bus
Question 7
What is a converter dolly?
A) a spare tire
B) a light
C) a tool box
D) device coupling doubles
Question 8
How couple doubles?
A) rear trailer, dolly, front trailer in order
B) any order
C) no order
D) front first always
Question 9
What is the crack-the-whip effect?
A) brake lock
B) engine surge
C) rear trailer swings in turns
D) tire pop
Question 10
How prevent rollover in combos?
A) slow well below curve speed
B) speed through
C) no need
D) brake in curve
Question 11
What is off-tracking in combos?
A) rear follows shorter path
B) speeding
C) brake wear
D) tire brand
Question 12
How check coupling?
A) fifth-wheel jaws locked, no gap
B) paint check
C) tire shine
D) radio test
Question 13
What is trailer hand valve for?
A) fueling
B) lights
C) testing trailer brakes only
D) parking
Question 14
How test trailer emergency brakes?
A) no test
B) visual only
C) drive fast
D) charge, pull supply, tug test
Question 15
What is a shut-off valve for?
A) fuel flow
B) controls air to rear in doubles
C) horn
D) lights
Question 16
How many valves on last trailer?
A) none open (all closed)
B) one open
C) all open
D) half open
Question 17
What is the air line order?
A) no lines
B) drive then connect
C) one line enough
D) connect service+emergency before moving
Question 18
How inspect pintle hook?
A) no chains
B) latched, safety chains crossed
C) rust fine
D) loose ok
Question 19
What are safety chains for?
A) noise
B) backup coupling if hook fails
C) looks
D) weight
Question 20
How brake with empty trailers?
A) no brakes
B) harder
C) same
D) gentler (light trailers lock easily)

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