CEM Exam Dumps - Certified Energy Manager (CEM)
If outside air has a temperature of 30°C dry bulb and 20°C wet bulb, what is the dew point temperature?
Which of the following International Performance Measurement and Verification Protocol (IPMVP) options would you use to verify annual energy savings in a project that upgraded lighting in a large manufacturing plant?
A facility owner is considering installing a new chiller. The installed project cost will be $300,000. The annual savings from the energy-saving project will be $45,000 for the 20-year life of the chiller. If an energy-service company requires a minimum 20% return on investment (pre-tax), will the energy-service company agree to finance this project?
Lighting systems operate with a certain recoverable light loss factor. Control systems with photocell sensor inputs combined with dimming ballasts can be used to regulate dimming levels to maintain a continuous light level in the work space. Which of the following best describes this type of control?
Which heat recovery device listed below can be used to preheat boiler make-up water using the heat energy from skimming blowdown?
Air is heated from 10°C (dry bulb temperature) and 80% relative humidity to 32°C (dry bulb temperature). What is the new relative humidity?
Insulation has a thermal conductivity of 0.04 Watt/(m-°C). What is the R-value for this insulation when it is 5-cm thick?