Certified Energy Manager Exam Flashcard Study System Cem Test Practice Questions Review For The Certified Energy Manager Exam Cards -

Exception: Reduced I²R losses in cables can slightly lower kW — usually negligible. Define: Degree-Day method for estimating heating energy. Card 9 – Back A: Heating Energy (MMBtu) = (HDD × UA × 24 hr/day) / (System Efficiency × 10^6)

Each card features a question, key term, formula, or scenario on the front, and a detailed, exam-relevant answer on the back. Use these cards in 15-minute bursts to reinforce your weak areas and test your recall under exam conditions. Card 1 – Front Q: What is the formula for Simple Payback Period (SPP), and what is its primary limitation in energy project evaluation? Card 1 – Back A: SPP = Initial Investment / Annual Savings Exception: Reduced I²R losses in cables can slightly

If NPV > 0 → accept project (earns more than hurdle rate). If NPV < 0 → reject. Use these cards in 15-minute bursts to reinforce