CAA Safety Sense Leaflet No 22 Radiotelephony (Pink) contains an example of the Practical RT Test at the back. It is available free from Westward documedia.
Most instructors conducting RT Courses will give you a copy. I assume from your comments that you have had no specific RT training. It takes between 8 and 16 hours to run an effective RT course, so you will see that there is quite a bit to learn.