At the same time, the striking blow from the hammer forces the impact driver down into the screw reducing or eliminating cam out. This attribute is beneficial for Phillips screws which are prone to cam out. It is also excellent for use with the Robertson square socket head screws that are in common use in Canada.
PSAT scores are reported on a scale that runs from 20 to 80, 20 being the lowest and 80 the highest. This is a parallel to the SAT, which scores between 200 and 800 on each test part. If you want an idea of how youâll do on an SAT test, simply add a 0 to your score.
The highest score you can get is 240. Your score is the index score of 190. Congratulations on doing so well as a freshman. The PSAT is the pre-test for the SAT generally given to 11th graders. In your case, you took the pre-test for the pre-test. You did very well, and you can be proud of your scores.