Which of the following statements most accurately describes a utility demand reduction p
a. Some comfort air conditioning equipment is turned off during peak demand hours.
b. The utility charges twice as much for energy during peak demand hours.
c. Comfort cooling systems are only permitted to operate at night during the summer.
d. Office buildings are required to close during peak demand hours.
a
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When an equipment frame is bonded to metal conduit, it acts as the equipment _____.
a. neutral b. grounding conductor c. high leg d. ungrounded conductor
The earliest recorded timber shortage was in which country, and when did it occur?
What will be an ideal response?
AAA Pest Control uses the following: before-tax MARR = 14% per year, after-tax MARR = 7% per year, and Te = 50%. Two new spray machine options have the following estimates and will generate the same GI each year.
Select A or B under the following conditions using the method described or as instructed:
(a) Before-tax PW analysis using spreadsheet functions.
(b) After-tax PW analysis using classical SL depreciation over the 10-year life using hand solution.
(c) After-tax PW analysis using MACRS depreciation with a 5-year recovery period using a spreadsheet. Assume the machines will be retained for 10 years, then sold at the estimated salvage values.
Most steam traps fail in the _____
a. up position b. down position c. open position d. closed position