CEM Exam Question 1
Which of the following statements best describe Demand Control Ventilation (DVC) in Building Automation Systems?
CEM Exam Question 2
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?
CEM Exam Question 3
Which of the following best describes a thermally-light building?
CEM Exam Question 4
A three phase, 380-volt system, has the following voltage measurements:
Va = 375 volts
Vb = 380 volts
Vc = 391 volts
Calculate the percent voltage imbalance.
Va = 375 volts
Vb = 380 volts
Vc = 391 volts
Calculate the percent voltage imbalance.
CEM Exam Question 5
A 75-kW induction motor operates at 80% partial load and 88% efficiency. A new high-efficiency 75-kW motor can be installed that will operate at 95% efficiency (also at 80% partial load). What is the reduction in electric power demand?