If an electric heater has three heating elements connected in parallel, why does each element have its own fusible link and limit switch?
What will be an ideal response?
The air flow may be restricted across part of the heater. All elements must be protected!
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The sustainability rating of a building based on the International Green Construction Code may be
A) Certified or Silver. B) Gold or Platinum. C) Silver or Gold. D) Certified, Silver, Gold, or Platinum. E) none of the above.
NEC Table 220.12 requires a minimum general lighting load for office buildings to be based on _____.
a. 2-1/2 VA/ft2 b. 3 VA/ft2 c. 3-1/2 VA/ft2 d. 4 VA/ft2
Why did the conventions of Egyptian art change little for thousands of years following the Early Dynastic period?
a. Egyptians focused their energies on building pyramids rather than on developing new artistic styles. b. The conquest of Egypt by the Hyksos interrupted Egyptian artistic development. c. Egyptian pharaohs passed laws prohibiting alterations to the artistic conventions. d. Egyptians and their rulers wanted to portray stability and continuity in their art.
A(n) ____________________ is a body that supports a load and resists external forces without changing its shape, except for that due to the elasticity of the material(s) used in construction.
Fill in the blank(s) with the appropriate word(s).