Attention HVAC Engineers!
WATCH OUR VIDEO! Dr. Tom’s Classroom now offers an HVAC & Refrigeration PE Exam Review, specifically developed for the CBT format exam. It had long been a goal at DTC to add an HVAC course to our line up. After completing our new Machine Design & Materials and Thermal & Fluid Systems Reviews for the […]
FEATURED TESTIMONIAL – “Amazing Course. I LOVE the Format”
“I passed on the first try! Dr. Tom’s method prepared me very well for the exam. I LOVE the format and the videos – well-put-together lectures with clear presentation, in depth explanations and clear understanding of the topics taught. I enjoyed watching and learning these topics. I have my binders full of course material for […]
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 […]
Coal Mines to Serve as Energy Source – Without Burning Coal
Coal mines helped fuel the industrial revolution in the UK 200 years ago. Coal was plentiful, easy to access, and provided cheap energy to make England and Scotland an economic powerhouse. However, burning coal produces pollution in the form of soot, sulfur compounds that degrade air quality, and of course, carbon dioxide that can cause […]
FEATURED TESTIMONIAL – “Wonderful Training for the PE Exam”
“I took my computer based exam after going through the newly developed DTC training for Mechanical CBT, and it was a huge help. And the BEST news? I passed!! The testing strategy provided by Dr. Tom and team allowed me to stay relaxed and I found myself with plenty of time after each section to go back and […]
Using the Fork in a Tree
Currently, when trees are harvested, the places where tree limbs fork are cut out and used for mulch or other low tech uses. Researchers at MIT are discovering that these forks in trees are actually extremely strong and have load carrying properties that cannot be duplicated even by processes like 3D printing. Dr. Caitlin Mueller, Associate […]
Researchers Create a Better Carbon Dioxide Filter
Scientists at the University of Delaware have developed a method to efficiently remove carbon dioxide from the air using technology from fuel cells and, in doing so, help solve a roadblock to adopting fuel cell technology. The research team work with hydroxide exchange membrane (HEM) fuel cells that convert hydrogen to water and produce electricity. […]
What Color is Your Car, Today?
Someday soon, if you were to have a BMW iX electric SUV, which was showcased at the 2022 Consumer Electronics Show, you might not know what color your car is, at least right that moment. According to a Motor Authority article, using technology I’m not sure I understand, you can, at the flip of a switch, […]
Start for Only $50 and Pay-As-You-Go
With our Pay-As-You-Go option, you can now try out our courses for only $50 before you buy the remaining course modules. We’re so sure you’ll like what you see that there’s no obligation beyond your initial purchase. Just buy the next course module when you’re ready for it – a nice way to spread out […]
FEATURED TESTIMONIAL – “Not only did I pass, but I felt confident throughout the exam.”
“I took the Thermal and Fluids CBT exam, and the first thing I want to say is: I PASSED! I was very happy to see that all of my hard work and discipline paid off. I went through your course in the standard 20 week timeline and put in 15-20 hours of studying per week. I […]