US Florida DMV CDL Air Brakes Test 8

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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 powers air brakes?

A) electricity

B) hydraulic fluid

C) springs only

D) compressed air

Question 2

What is governor cut-in pressure?

A) 200 psi

B) about 100 psi (85-100 range)

C) 60 psi

D) 150 psi

Question 3

What is governor cut-out pressure?

A) 200 psi

B) 60 psi

C) 90 psi

D) about 125 psi (120-135 range)

Question 4

At what pressure does low-air warning activate?

A) 20 psi

B) 125 psi

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

D) 100 psi

Question 5

What are spring brakes?

A) no brakes

B) service brakes

C) emergency/parking brakes applying on air loss

D) steering brakes

Question 6

What is the dual air brake system?

A) steering only

B) two separate systems for safety

C) no dual

D) single only

Question 7

What must you do before driving after starting?

A) drive at 50 psi

B) no check

C) mirrors only

D) build pressure 100-125 psi and test

Question 8

What is brake lag in air brakes?

A) instant action

B) hydraulic only

C) delay between pedal and application

D) no lag

Question 9

What is the air loss limit (single vehicle)?

A) no more than 3 psi per minute

B) no limit

C) 1 psi per hour

D) 10 psi

Question 10

What is the air loss limit (combination)?

A) no more than 4 psi per minute

B) no limit

C) 3 psi per week

D) 10 psi

Question 11

How test air compressor?

A) no test

B) visual only

C) build 85 to 100 psi within 45 seconds

D) honk test

Question 12

How test the low-air warning?

A) ignore it

B) disconnect buzzer

C) fan brakes down, warning by 60 psi

D) drive fast

Question 13

How test spring brakes?

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

B) drive test

C) ask mechanic

D) no test

Question 14

What is a pre-trip air brake check order?

A) no order

B) drive first

C) governor, warning, spring, leak, service

D) any order

Question 15

What are slack adjusters?

A) link pushrod to brake cam

B) steering parts

C) fuel lines

D) mirror arms

Question 16

What is manual slack adjustment rule?

A) anyone adjusts

B) needs training; autos should not need it

C) daily manual

D) never check

Question 17

What is brake adjustment limit?

A) about 1 inch pushrod travel

B) no limit

C) half foot

D) 3 inches

Question 18

What are foundation brakes?

A) the wheel brake mechanisms

B) parking only

C) retarders

D) engine brakes

Question 19

What is an application pressure gauge?

A) speedometer

B) fuel gauge

C) shows service brake air used

D) oil gauge

Question 20

What are supply pressure gauges?

A) show tank air pressure

B) tire pressure

C) voltage

D) coolant

US Florida DMV CDL Air Brakes Test 8

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