Not All Batteries Store Electricity
Researchers at Lehigh University in Pennsylvania have developed a modular thermal battery – a device that can store thermal energy (heat) efficiently. The battery tested has a capacity of 150 kWhthermal and can be charged and discharged at a rate of 16.4 and 19.8 kW respectively. The battery is contained in a 5 foot diameter […]
PE EXAM TIP – Make the Reference Handbook Your Own
Mechanical Engineers, for better or worse, the NCEES Reference Handbook will be your only reference during the PE Exam, so becoming as familiar as possible with what is in it and how to find what you need should be top priority. You don’t need to know where everything is, but you should be very familiar […]
Using the Earth as a Thermal Battery
Scientists at Lawrence Berkeley National Lab are studying using aquifers as a thermal battery to store excess heat in the summer and as a source of heat in the winter. The systems are called ATES – Aquifer Thermal Energy Storage. The idea is similar to geothermal heat pumps – which can heat and cool homes […]
With DTC, Perseverance Can Pay Off!
While there are plenty of people who pass the PE Exam on the first try, there are are quite a few who don’t. We have lots of folks who come to DTC after trying to study on their own or taking review courses from other sources, and we have helped many of them pass on […]
FEATURED TESTIMONIAL – “On a scale of 1-10, I rate the course a 15! DTC is the only choice.”
“When I decided to move forward with getting my PE license, I had been out of college for 22 years. In fact, it had been 22 years since I had taken and passed the FE Exam. Needless to say, I knew I needed a review course if I were to pass. After lots of research, I decided on […]
AHR Expo 2023 – DTC Was There!
Watch our video! This was the first AHR Expo for the DTC Team and we had blast! This short video gives you a glimpse of the great time we had. We enjoyed meeting other vendors and seeing the wide array of products on display. AHRI, ASHRAE and the Georgia World Congress Center put on a […]
Stunning Early Ingenuity – Chand Baori
Chand Baori is a stunning example of a stepwell in Rajasthan, India containing 3,500 steps in its 13 stories. It’s one of the oldest stepwells in Rajasthan and was built during the 8th-9th century AD. Stepwells have largely been replaced by wells and pumps today, but they served both practical and societal needs. The stepwell […]
DTC Has the Best Prices AND the Best Courses
Buying a PE Exam Review is a major purchase, and that’s why we always keep our prices as low as possible and why we introduced our Pay Up Front, Test Drive and Pay-As-You-Go payment options. But don’t let our lower prices fool you. DTC has the best PE Exam review courses out there. And with […]
NASA’s Need to Stay Cool May Help you Drive to the Grocery Store
NASA has been busy the last several years with designing spacecraft and systems to go to and live on the Moon and Mars. Part of that means keeping the astronauts and equipment cool in an environment with little to no gravity or atmosphere. That makes thermally driven convective heat transfer impossible. Researchers at Purdue have […]
How To Take the PE Exam and Pass – Dr. Tom’s Strategy
Passing the PE Exam requires more than just knowing how to solve problems. You need a solid plan for organizing your review from day one and for solving problems on exam day. In his How to Prepare For & Pass the Mechanical PE Exam (Dr. Tom’s Exam Strategy – Part 2) video, Dr. Tom goes […]
