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US Nebraska DMV CDL Air Brakes Test 7

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content
DMV Nebraska — Cdl Air Brakes DMV — Nebraska (USA, State Traffic Law) USA — Nebraska State DMV & FMCSA (MUTCD) — USA
What is this test? for Nebraska DMV Cdl Air Brakes permit/CDL, USA (MUTCD) — DMV — Nebraska (USA, State Traffic Law) level, USA — Nebraska.
Is this for you? For driver candidates in Nebraska, USA — Cdl Air Brakes permit/CDL (16+, State DMV)
Section: DMV Nebraska — Cdl Air Brakes · Education: High School & Adult (16+) · Part: DMV Nebraska — Cdl Air Brakes · 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
What is manual slack adjustment rule?
A) daily manual
B) never check
C) anyone adjusts
D) needs training; autos should not need it
Question 2
What is brake adjustment limit?
A) half foot
B) 3 inches
C) no limit
D) about 1 inch pushrod travel
Question 3
What are foundation brakes?
A) the wheel brake mechanisms
B) parking only
C) retarders
D) engine brakes
Question 4
What is an application pressure gauge?
A) fuel gauge
B) speedometer
C) shows service brake air used
D) oil gauge
Question 5
What are supply pressure gauges?
A) coolant
B) show tank air pressure
C) tire pressure
D) voltage
Question 6
What happens below 20-45 psi?
A) Nothing happens
B) faster stop
C) spring brakes fully apply
D) horn sounds
Question 7
How park with air brakes?
A) engine running
B) parking brake on, chock on grades
C) leave in neutral only
D) no brake needed
Question 8
What is fanning the brakes?
A) parking method
B) repeated apply-release (testing only)
C) warming brakes
D) driving technique
Question 9
What is stab braking (emergency)?
A) lock wheels
B) hard brake, release wheels, reapply
C) use parking brake
D) pump gently
Question 10
What is controlled braking?
A) lock all wheels
B) release fully
C) firm pressure without locking
D) alternate pedals
Question 11
How stop on slippery with ABS?
A) release all
B) firm steady, steer through
C) pump hard
D) lock wheels
Question 12
What is an alcohol evaporator for?
A) adds power
B) cleans tanks
C) heats cab
D) reduces winter moisture freeze
Question 13
How drain air tanks?
A) never
B) yearly
C) daily (manual) or auto valve check
D) only summer
Question 14
Why drain tanks?
A) looks
B) water/oil harms braking
C) noise
D) weight
Question 15
What is a dual air gauge reading?
A) fuel levels
B) tire temps
C) oil twice
D) primary and secondary tank pressures
Question 16
What if one system fails?
A) no brakes at all
B) other system still brakes (stop safely)
C) faster stop
D) nothing changes
Question 17
What are air lines colors?
A) green/yellow
B) red emergency, blue service
C) both black
D) no colors
Question 18
How connect glad hands?
A) any way
B) loose ok
C) seals clean, locked, no leaks
D) taped
Question 19
How test service brakes?
A) ask others
B) no test
C) highway test
D) roll ~5 mph, brake firmly, check pull
Question 20
What is stopping distance vs cars?
A) much longer for trucks
B) instant
C) same
D) shorter

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