Name the structure that can be made of any incombustible material, and protects the combustible floor around the fireplace.
What will be an ideal response?
outer hearth
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The normal current rating of a circuit breaker is located _____
a. in the panelbox b. on the bottom c. on the handle d. on the side
A popular material combination used in air-conditioning evaporators and condensers is ____.
A. copper tube-stainless steel fin B. copper tube-copper fin C. copper tube-aluminum fin D. stainless steel tube-aluminum fin
In the wild, the purpose of horns on cattle was ____
a. self-defense c. finding food b. for show d. moving obstacles
Technician A says that the RBM value of a frame is a measure of its ultimate rigidity. Technician B says that the RBM value of a frame is a measure of its ultimate strength. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B