Give the chemical composition of limestone.
What will be an ideal response?
Calcium carbonate.
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____ for non-load-bearing interior walls and partitions are typically made from 18-gauge steel sheet with either solid or perforated webs.
A. Gypsum laths B. Metal studs C. Metal laths D. Gypsum wallboards
Explain how torch angle and the distance between the inner cone and the metal affect the rate of heating.
What will be an ideal response?
Explain the term pulse width.
What will be an ideal response?
Why does the air's relative humidity affect comfort?
A) Water molecules in the air act as thermal conductors. B) The relative humidity affects how rapidly perspiration can evaporate. C) Human comfort is not affected by the relative humidity. D) Water molecules in the air act as thermal insulators.