Free AEE AEE-CEM Exam Questions

Question 1

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 : 6%

B : 15%

C : 25%

D : 66%

E : 100%

Answer: C

Question 2

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?

A : 0.8 (m²-°C)/Watt

B : 1.25 (m²-°C)/Watt

C : 2.20 Watt/m²

D : 20 Watt/(m²-°C)

E : 20 (m²-°C)/Watt

Answer: B

Question 3

A 55-kW motor at full load is used to drive a pump that generates 50 meters of head while pumping water at a rate of 5,000 liters per minute. Calculate the pump efficiency.

A : 58%

B : 62%

C : 74%

D : 88%

Answer: C

Question 4

Which of the following is NOT included in commissioning documentation?

A : Original facility and equipment design intent

B : As-built drawings

C : Financing payment structure reportsc

D : Equipment control sequence documentation

E : Equipment operations and maintenance manuals

Answer: C

Question 5

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 : 6%

B : 15%

C : 25%

D : 66%

E : 100%

Answer: C