Ohio CDL permit (CLP) knowledge tests — Practice

Question 1

When starting an engine, oil pressure should come up to a normal level:

Accepted Answer

Within seconds.

Question 2

You can confirm that a tractor protection valve is working properly by:

Accepted Answer

Releasing air with the brake pedal and waiting for the emergency signal to activate.

Question 3

An empty truck:

Accepted Answer

Requires a longer stopping distance than a full truck.

Question 4

A thin layer of ice that forms on road surfaces is called:

Accepted Answer

Black ice.

Ohio CDL permit (CLP) knowledge tests — practice