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

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

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) hydraulic fluid

D) springs only

Question 2

What is governor cut-in pressure?

A) 150 psi

B) 200 psi

C) about 100 psi (85-100 range)

D) 60 psi

Question 3

What is governor cut-out pressure?

A) 60 psi

B) 200 psi

C) 90 psi

D) about 125 psi (120-135 range)

Question 4

At what pressure does low-air warning activate?

A) 125 psi

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

C) 100 psi

D) 20 psi

Question 5

What are spring brakes?

A) service brakes

B) steering brakes

C) emergency/parking brakes applying on air loss

D) no brakes

Question 6

What is the dual air brake system?

A) steering only

B) two separate systems for safety

C) single only

D) no dual

Question 7

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

What is brake lag in air brakes?

A) delay between pedal and application

B) instant action

C) no lag

D) hydraulic only

Question 9

What is the air loss limit (single vehicle)?

A) 1 psi per hour

B) no limit

C) no more than 3 psi per minute

D) 10 psi

Question 10

What is the air loss limit (combination)?

A) 3 psi per week

B) no more than 4 psi per minute

C) 10 psi

D) no limit

Question 11

How test air compressor?

A) visual only

B) build 85 to 100 psi within 45 seconds

C) honk test

D) no test

Question 12

How test the low-air warning?

A) ignore it

B) fan brakes down, warning by 60 psi

C) drive fast

D) disconnect buzzer

Question 13

How test spring brakes?

A) ask mechanic

B) no test

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

D) drive test

Question 14

What is a pre-trip air brake check order?

A) drive first

B) no order

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) never check

B) needs training; autos should not need it

C) daily manual

D) anyone adjusts

Question 17

What is brake adjustment limit?

A) no limit

B) 3 inches

C) half foot

D) about 1 inch pushrod travel

Question 18

What are foundation brakes?

A) the wheel brake mechanisms

B) engine brakes

C) parking only

D) retarders

Question 19

What is an application pressure gauge?

A) oil gauge

B) fuel gauge

C) speedometer

D) shows service brake air used

Question 20

What are supply pressure gauges?

A) coolant

B) voltage

C) tire pressure

D) show tank air pressure

US Alaska DMV CDL Air Brakes Test 8

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