CEM Practice Questions
Certified Energy Manager (CEM)
Last Update 2 days ago
Total Questions : 130
Dive into our fully updated and stable CEM practice test platform, featuring all the latest Energy Management exam questions added this week. Our preparation tool is more than just a AEE study aid; it's a strategic advantage.
Our free Energy Management practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about CEM. Use this test to pinpoint which areas you need to focus your study on.
How can you tell if steam traps in a steam distribution system may NOT be working correctly?
Infiltration (inward air leakage) in a building is dependent on several factors. Which of the following is least likely to affect or influence infiltration in a building?
Which of the following instruments is most useful for tracking long-term boiler performance?
The International Performance Measurement and Verification Protocol (IPMVP) has how many categories (method options) to determine the performance of an energy- or water-consuming system?
A controller has a signal output that can range from 4 to 20 mA (milli-amperes). The controller regulates the output temperature from a three-way mixing valve from 5°C to 15°
C.
What is the control gain?How much fuel is required to heat 50 kg water from 20°C water to 200°C saturated steam? Assume the boiler is 80% efficient (based on the higher-heating value of the fuel).
A gas-fired boiler is operating with 31.9% excess air. A feedwater economizer is used to reduce the stack temperature rise from 310°C to 160°
C.
Using the natural gas combustion efficiency tables in your workbook, find the energy savings from the economizer as a percentage of historical fuel consumption.Which of the following steam turbines will likely not provide steam output at a useable temperature for industrial processes?
