Pennsylvania CDL permit (CLP) knowledge tests — Practice

Question 1

In a dual air brake system, a leak in one system:

Accepted Answer

May not affect the other system.

Question 2

When stopping:

Accepted Answer

The brake pedal should be pressed down gradually.

Question 3

Buses must never carry:

Accepted Answer

Tear gas.

Question 4

When you need to stop in an emergency, you should:

Accepted Answer

Stop in a way that keeps your vehicle in a straight line.

Pennsylvania CDL permit (CLP) knowledge tests — practice