An office building is illuminated with T8 fluorescent lamps. Which of the following is the best schedule for group relamping (total replacement of all the T8 fluorescent lamps in the building)?

• A.When 25% of the lamps have failed
• B.When you reach 70% of the rated lamp life
• C.Every 4 years
• D.When the building owner changes
• E.When 20% of the ballasts have failed

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In a performance contract, which group has the greatest investment risk?

• A.The company installing the energy project
• B.The energy-service company
• C.The equipment manufacturer
• D.Risk is shared by the terms in the performance contract

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You are using a performance contract to finance the added cost of using more-efficient equipment in the construction of a new building. Which of the following International Performance Measurement and Verification Protocol (IPMVP) options would you use to verify annual energy savings?

• A.Option C - Whole facility measurement
• B.Option E - Stipulated savings
• C.Option B - Retrofit isolation: all parameter measurement
• D.Option A - Retrofit isolation: key parameter measurement
• E.Option D - Calibrated simulation

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Periodic commissioning of a building automation system (BAS) might include which of the following?

• A.Answers A and C
• B.Retraining staff on the BAS functions and programming
• C.All of the above
• D.Verify controls are still responsive to the BAS
• E.Removing temperature set point overrides

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A cooling tower delivers water to a chilled-water plant at 21°C. The outside ambient air conditions are 19°C dry bulb, 50% relative humidity. Using the psychrometric chart, what is the approach temperature of the cooling tower outlet water temperature to the ambient air wet-bulb temperature?
SELECT THE CORRECT ANSWER

• A.8°C
• B.10°C
• C.6°C
• D.4°C

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