PE EXAM TIP – Have Only One Way to Work a Problem
There is a wealth of information out there on how to solve PE Exam problems. For any given class of problems, you can find many solution approaches. You may have even thought of additional, and quite valid, approaches on your own. However, seeking out a number of approaches has a troublesome downside. All you need […]
Whirligig Wonders
A farm machinery repairman, Vollis Simpson, created the magical, mechanical creations that became North Carolina’s official folk art. Known as “whirligigs,” the huge kinetic sculptures have been installed around the United States, but the largest collection is near the family farm in Wilson, North Carolina. Other installations include the American Visionary Art Museum in Baltimore and the […]
Achieve Your Extraordinary. Become a PE.
Getting your Professional Engineer’s license will open up a world of possibilities for you to achieve the extraordinary. And DTC can help you make those possibilities a reality with our comprehensive prep courses for the Mechanical PE Exams and our strategic plan to prepare you to pass the exam. Years of work went into developing […]
FEATURED TESTIMONIAL – “Great Course That Keeps You Engaged”
“I took Dr. Tom’s thermal/fluids PE prep course. Dr. Tom presents the prep course material personally. Starting from the first lesson, it’s obvious that Dr. Tom is a man that is extremely passionate about teaching. If you are serious about taking a PE and not wasting your time, I would recommend Dr. Tom’s Classroom. I […]
A New Way to Build and Insulate with Wood
Several scientists at the Nanjing Forestry University in China, as reported by the American Chemical Society’s Nano Letters publication, have created a new insulation material made of wood. The scientists connected nanocrystals of wood cellulose with silanes (silicon compounds) to create an aerogel foam that has a visible light reflectance of 96% and an emittance […]
Try DTC Courses Before You Buy for $50
With our Test Drive and Pay-As-You-Go options, you can try out our courses for only $50 before you buy the full course. We’re so sure you’ll like what you see that there’s no obligation beyond your initial purchase. “Just finished the intro and it was great! I was skeptical about subscribing to anything and was […]
Film Makes Wearing PPE Suits a Little More Bearable
At the height of the COVID-19 pandemic many healthcare providers – nurses, doctors, and others in contact with infected patients, wore PPE that included full body suits. Firefighters, first responders, and even the military wear these suits, depending on the type of situation they are responding to. These suits are designed to limit exposure to […]
FEATURED TESTIMONIAL – “I Trusted the DTC Method and I Passed!”
“Just got the results back for the ME: TFS Exam, and I passed. I believe the DTC method of taking the exam is the ultimate make or break in passing this exam. After going through Doctor Tom’s Classroom, I felt confident with all of the material with the exception of maybe cycles. As I went […]
New Device Reduces Emissions from Natural Gas Fired Heaters
Natural gas and oil fired boilers and space heaters represent a large use of fossil fuel energy in this country. The more heat that can be removed from the combustion gases, the more efficient the unit is and the lower the costs of operation. Higher efficiency also means less fuel fired and lower carbon emissions. […]
Dive! Dive! Dive!
These are familiar words in countless movies and books where submarines are involved. A recent ASME Quiz tests how much you know about the development and history of the submarine. Just 7 multiple choice questions. I got 4 of 7 right (2 by pure guessing), but should have gotten two more without guessing if I […]