In addition, the racking strength of. wails with let-in corner braces, which forms the. basis for acceptance criteria, was evaluated. Strength of wails with let-in corner. braces, but without horizontal board. sheathing, averaged less than 2/3 of the 5,200. pound value specified by FHA.
FRAC: Food Research and Action Center: FRAC: First Responder Authentication Credential: FRAC: Foreseeable Risk Analysis Center
Def'n: the volume of gas left in the lungs at the end of normal tidal expiration. FRC is the lung volume in which gas exchange is taking place. small fluctuations of alveolar and arterial gas tensions occur with each tidal breath as fresh gas. mixes with alveolar air. FRC therefore acts as a buffer,