US Kentucky DMV CDL Air Brakes Test 6

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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

True or false in Kentucky: both black.

A) True

B) False

Question 2

True or false in Kentucky: any way.

A) True

B) False

Question 3

True or false in Kentucky: highway test.

A) True

B) False

Question 4

True or false in Kentucky: shorter.

A) True

B) False

Question 5

Which is correct about CDL air brakes in Kentucky?

A) springs only

B) compressed air

C) hydraulic fluid

D) electricity

Question 6

What powers air brakes?

A) hydraulic fluid

B) electricity

C) compressed air

D) springs only

Question 7

What is governor cut-in pressure?

A) about 100 psi (85-100 range)

B) 60 psi

C) 200 psi

D) 150 psi

Question 8

What is governor cut-out pressure?

A) 90 psi

B) about 125 psi (120-135 range)

C) 200 psi

D) 60 psi

Question 9

At what pressure does low-air warning activate?

A) 100 psi

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

C) 20 psi

D) 125 psi

Question 10

What are spring brakes?

A) steering brakes

B) emergency/parking brakes applying on air loss

C) no brakes

D) service brakes

Question 11

What is the dual air brake system?

A) no dual

B) single only

C) steering only

D) two separate systems for safety

Question 12

What must you do before driving after starting?

A) build pressure 100-125 psi and test

B) drive at 50 psi

C) mirrors only

D) no check

Question 13

What is brake lag in air brakes?

A) hydraulic only

B) delay between pedal and application

C) instant action

D) no lag

Question 14

What is the air loss limit (single vehicle)?

A) no limit

B) no more than 3 psi per minute

C) 1 psi per hour

D) 10 psi

Question 15

What is the air loss limit (combination)?

A) no more than 4 psi per minute

B) 3 psi per week

C) no limit

D) 10 psi

Question 16

How test air compressor?

A) visual only

B) honk test

C) no test

D) build 85 to 100 psi within 45 seconds

Question 17

How test the low-air warning?

A) drive fast

B) fan brakes down, warning by 60 psi

C) disconnect buzzer

D) ignore it

Question 18

How test spring brakes?

A) drive test

B) no test

C) ask mechanic

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

Question 19

What is a pre-trip air brake check order?

A) no order

B) governor, warning, spring, leak, service

C) drive first

D) any order

Question 20

What are slack adjusters?

A) mirror arms

B) link pushrod to brake cam

C) steering parts

D) fuel lines

US Kentucky DMV CDL Air Brakes Test 6

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