Massachusetts CDL permit (CLP) knowledge tests — Practice

Question 1

Friction inside a brake drum is caused when the brake shoes and linings:

Accepted Answer

Push against the inside of the drum.

Question 2

If you don't know if there is enough space for your vehicle to pass under a bridge, you should:

Accepted Answer

Slow down.

Question 3

If your vehicle is hydroplaning, you should:

Accepted Answer

Not apply the brakes.

Question 4

Loading and unloading a school bus:

Accepted Answer

Can be hazardous for passengers.

Massachusetts CDL permit (CLP) knowledge tests — practice