I found a great link to where you can get a couple of free sample ACSM CPT test questions. This is a teaser to get you to buy a bigger package. However, all I did was use the samples to practice and I never bought the real package. Here's the link:
You will have to give them your email address and set you password...and bamm! You get free access to their sample practice questions.
Here's another site with free samples:
My gift to you!