Lamp manufacturers are concerned with which of the following factors?
a. Color temperature
b. Color rendering
c. Lamp efficacy
d. All of the above
d. All of the above
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What is the difference between floor live load and occupancy load?
What will be an ideal response?
The practical and preferred way to vary the speed of a DC motor is by varying the ____ in the shunt field circuit.
a. rotation b. pressure c. current d. resistance
An expansion of the current BIM (Building Information Model) software has been proposed to First Financial, the building’s owner. A total installed cost of $120,000 is expected to generate additional savings of $40,000 per year for 10 years, after which time the software will be replaced with no salvage value. The annual M&O cost is expected to be $10,000 the first year and increase by an arithmetic gradient G between $1000 and $5000 per year thereafter. Determine if the expanded BIM is sensitive to gradient increases of $1000 (optimistic), $3000 (most likely), and $5000 (pessimistic) per year. Use AW analysis and a MARR of 10% per year.
What will be an ideal response?
How are machinery space refrigerant sensors maintained?
What will be an ideal response?