Online Access Free CEM Exam Questions

What type of passive heat exchanger can wrap around an evaporator coil to precool entering air and reheat the air after the cooling coil without adding more moisture to the supply air stream?

• A.Plate and frame
• B.Desiccant heat wheel
• C.Heat pipe
• D.Run-around coil
• E.Heat pump

Which of the following is NOT included in commissioning documentation?

• A.Equipment control sequence documentation
• B.Equipment operations and maintenance manuals
• C.As-built drawings
• D.Original facility and equipment design intent
• E.Financing payment structure reports

A high-pressure steam system passes 180°C condensate (saturated liquid) through a steam trap to an atmospherically vented condensate receiver tank. If the steam trap is working properly, how much of the condensate mass can be lost out the vent of the receiver tank in the form of flash steam?

• A.66%
• B.100%
• C.25%
• D.6%
• E.15%

What is the uniform series present worth factor (P/A, i%, n) for an annual interest rate of 15% and a lifetime of 20 years?

• A.0.160
• B.0.214
• C.6.259
• D.4.676

What does a manometer measure?

• A.Voltage
• B.Distance
• C.Pressure
• D.Volume