How DTC Mechanical Courses Work
Designed to maximize your ability to solve problems quickly during the exam.
Mechanical Exam Strategy Videos
Dr. Tom outlines the strategies he has found lead to success.
Engineering Insights & PE Exam Strategies from Dr. Tom’s Classroom
A Better Window, Just Add Water
Scientists at Hong Kong Polytechnic University have developed a film that uses the humidity in a room to change how windows transmit light, reducing cooling
July 20, 2026
FEATURED TESTIMONIAL – “DTC was 99% of what mattered to my preparation.”
“I passed the PE on my first try. I did the DTC course as well as a couple other prep exams. Those tests were ok
July 13, 2026
“What a Difference a PE Makes” – AI is right on!
So how many times during the day do we ask: “Is that AI or is it real?” For most of us, we ask this question
July 6, 2026
