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
Understand the Key Limitations of Static Friction
Watch our video! The key aspect of a force due to friction is that it has a maximum value. If a force is applied to
October 22, 2026
Is the Solution Really Dilution for Ventilation?
Environmental and HVAC engineers all have heard the phrase – “the solution is dilution” on the best way to handle contaminants. There is even ASHRAE’s
October 19, 2026
Solve 2D Frames With Confidence
Watch our video! 2D Frames are typically two members connected at a pin, where one of the members is a two-force member. The other member
October 15, 2026