US New Jersey DMV CDL Air Brakes Test 1

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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DMV New Jersey — Cdl Air Brakes DMV — New Jersey (USA, State Traffic Law) USA — New Jersey State DMV & FMCSA (MUTCD) — USA

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

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 Jersey, what powers air brakes?

A) hydraulic fluid

B) springs only

C) electricity

D) compressed air

Question 2

In New Jersey, what is governor cut-in pressure?

A) 200 psi

B) 60 psi

C) 150 psi

D) about 100 psi (85-100 range)

Question 3

In New Jersey, what is governor cut-out pressure?

A) 60 psi

B) about 125 psi (120-135 range)

C) 200 psi

D) 90 psi

Question 4

In New Jersey, at what pressure does low-air warning activate?

A) 100 psi

B) 20 psi

C) at or before 60 psi (55-75 range)

D) 125 psi

Question 5

In New Jersey, what are spring brakes?

A) service brakes

B) no brakes

C) emergency/parking brakes applying on air loss

D) steering brakes

Question 6

In New Jersey, what is the dual air brake system?

A) two separate systems for safety

B) steering only

C) no dual

D) single only

Question 7

In New Jersey, what must you do before driving after starting?

A) mirrors only

B) no check

C) build pressure 100-125 psi and test

D) drive at 50 psi

Question 8

In New Jersey, what is brake lag in air brakes?

A) hydraulic only

B) delay between pedal and application

C) instant action

D) no lag

Question 9

In New Jersey, what is the air loss limit (single vehicle)?

A) 10 psi

B) no more than 3 psi per minute

C) 1 psi per hour

D) no limit

Question 10

In New Jersey, what is the air loss limit (combination)?

A) no more than 4 psi per minute

B) 10 psi

C) 3 psi per week

D) no limit

Question 11

In New Jersey, how test air compressor?

A) no test

B) honk test

C) visual only

D) build 85 to 100 psi within 45 seconds

Question 12

In New Jersey, how test the low-air warning?

A) drive fast

B) fan brakes down, warning by 60 psi

C) disconnect buzzer

D) ignore it

Question 13

In New Jersey, how test spring brakes?

A) fan below 20-45 psi, parking knob pops

B) drive test

C) ask mechanic

D) no test

Question 14

In New Jersey, what is a pre-trip air brake check order?

A) drive first

B) any order

C) governor, warning, spring, leak, service

D) no order

Question 15

In New Jersey, what are slack adjusters?

A) fuel lines

B) link pushrod to brake cam

C) steering parts

D) mirror arms

Question 16

In New Jersey, what is manual slack adjustment rule?

A) daily manual

B) never check

C) needs training; autos should not need it

D) anyone adjusts

Question 17

In New Jersey, what is brake adjustment limit?

A) no limit

B) 3 inches

C) about 1 inch pushrod travel

D) half foot

Question 18

In New Jersey, what are foundation brakes?

A) retarders

B) engine brakes

C) the wheel brake mechanisms

D) parking only

Question 19

In New Jersey, what is an application pressure gauge?

A) fuel gauge

B) oil gauge

C) speedometer

D) shows service brake air used

Question 20

In New Jersey, what are supply pressure gauges?

A) show tank air pressure

B) voltage

C) coolant

D) tire pressure

US New Jersey DMV CDL Air Brakes Test 1

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