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US New Mexico DMV CDL Air Brakes Test 1

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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
In New Mexico, what powers air brakes?
A) compressed air
B) springs only
C) electricity
D) hydraulic fluid
Question 2
In New Mexico, what is governor cut-in pressure?
A) 200 psi
B) 150 psi
C) about 100 psi (85-100 range)
D) 60 psi
Question 3
In New Mexico, what is governor cut-out pressure?
A) about 125 psi (120-135 range)
B) 200 psi
C) 90 psi
D) 60 psi
Question 4
In New Mexico, at what pressure does low-air warning activate?
A) 20 psi
B) at or before 60 psi (55-75 range)
C) 125 psi
D) 100 psi
Question 5
In New Mexico, what are spring brakes?
A) no brakes
B) service brakes
C) emergency/parking brakes applying on air loss
D) steering brakes
Question 6
In New Mexico, what is the dual air brake system?
A) no dual
B) steering only
C) single only
D) two separate systems for safety
Question 7
In New Mexico, what must you do before driving after starting?
A) build pressure 100-125 psi and test
B) mirrors only
C) no check
D) drive at 50 psi
Question 8
In New Mexico, what is brake lag in air brakes?
A) delay between pedal and application
B) no lag
C) hydraulic only
D) instant action
Question 9
In New Mexico, what is the air loss limit (single vehicle)?
A) no limit
B) 10 psi
C) 1 psi per hour
D) no more than 3 psi per minute
Question 10
In New Mexico, what is the air loss limit (combination)?
A) 10 psi
B) 3 psi per week
C) no more than 4 psi per minute
D) no limit
Question 11
In New Mexico, how test air compressor?
A) build 85 to 100 psi within 45 seconds
B) no test
C) visual only
D) honk test
Question 12
In New Mexico, how test the low-air warning?
A) fan brakes down, warning by 60 psi
B) disconnect buzzer
C) drive fast
D) ignore it
Question 13
In New Mexico, how test spring brakes?
A) drive test
B) ask mechanic
C) fan below 20-45 psi, parking knob pops
D) no test
Question 14
In New Mexico, what is a pre-trip air brake check order?
A) governor, warning, spring, leak, service
B) no order
C) drive first
D) any order
Question 15
In New Mexico, what are slack adjusters?
A) fuel lines
B) link pushrod to brake cam
C) mirror arms
D) steering parts
Question 16
In New Mexico, what is manual slack adjustment rule?
A) needs training; autos should not need it
B) anyone adjusts
C) daily manual
D) never check
Question 17
In New Mexico, what is brake adjustment limit?
A) half foot
B) about 1 inch pushrod travel
C) no limit
D) 3 inches
Question 18
In New Mexico, what are foundation brakes?
A) parking only
B) engine brakes
C) retarders
D) the wheel brake mechanisms
Question 19
In New Mexico, what is an application pressure gauge?
A) oil gauge
B) speedometer
C) shows service brake air used
D) fuel gauge
Question 20
In New Mexico, what are supply pressure gauges?
A) show tank air pressure
B) coolant
C) voltage
D) tire pressure

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