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

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

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) compressed air

C) springs only

D) hydraulic fluid

Question 2

What is governor cut-in pressure?

A) 60 psi

B) 150 psi

C) about 100 psi (85-100 range)

D) 200 psi

Question 3

What is governor cut-out pressure?

A) 60 psi

B) about 125 psi (120-135 range)

C) 90 psi

D) 200 psi

Question 4

At what pressure does low-air warning activate?

A) 100 psi

B) 125 psi

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

D) 20 psi

Question 5

What are spring brakes?

A) no brakes

B) steering brakes

C) service brakes

D) emergency/parking brakes applying on air loss

Question 6

What is the dual air brake system?

A) steering only

B) single only

C) no dual

D) two separate systems for safety

Question 7

What must you do before driving after starting?

A) no check

B) build pressure 100-125 psi and test

C) drive at 50 psi

D) mirrors only

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) 10 psi

B) 1 psi per hour

C) no more than 3 psi per minute

D) no limit

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) honk test

C) build 85 to 100 psi within 45 seconds

D) visual only

Question 12

How test the low-air warning?

A) disconnect buzzer

B) drive fast

C) fan brakes down, warning by 60 psi

D) ignore it

Question 13

How test spring brakes?

A) drive test

B) ask mechanic

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

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) steering parts

B) fuel lines

C) link pushrod to brake cam

D) mirror arms

Question 16

What is manual slack adjustment rule?

A) anyone adjusts

B) never check

C) daily manual

D) needs training; autos should not need it

Question 17

What is brake adjustment limit?

A) 3 inches

B) about 1 inch pushrod travel

C) no limit

D) half foot

Question 18

What are foundation brakes?

A) the wheel brake mechanisms

B) retarders

C) parking only

D) engine brakes

Question 19

What is an application pressure gauge?

A) speedometer

B) shows service brake air used

C) fuel gauge

D) oil gauge

Question 20

What are supply pressure gauges?

A) show tank air pressure

B) coolant

C) tire pressure

D) voltage

US Utah DMV CDL Air Brakes Test 8

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