Home / CDL / Alabama CDL Knowledge Test Class B

Question list

List of questions

Question 1

(0)

Spring brakes come on:

Question 2

(0)

What are placards?

Question 3

(0)

Sending text messages while driving:

Question 4

(0)

What is sleep debt?

Question 5

(0)

Pressing and releasing a brake pedal unnecessarily can:

Question 6

(0)

A modulating control valve can control the:

Question 7

(0)

During a vehicle inspection, be sure that:

Question 8

(0)

When backing, a helper:

Question 9

(0)

During a pre-trip inspection, what is the best method for checking your lights?

Question 10

(0)

Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?

Question 53 - Alabama CDL Knowledge Test Class B discussion

In a dual air brake system:

Each system has separate air tanks, hoses, and lines.

The systems share air tanks, but each has its own separate hoses and lines.

Each system uses the same lines and hoses.

One system is the main braking system and a second system is ready to be used if the first one fails.

Show Answer