The Fire Properties That Determine the Class of Interior Finishes

question 40

Multiple Choice

The fire properties that determine the class of interior finishes are

• A)fire- resistance rating and FSI.
• B)fire- resistance rating, FSI, and SDI.
• C)fire- resistance rating and SDI.
• D)FSI and SDI.

---

Definitions:

Placenta

An organ that connects the developing fetus to the uterine wall to provide nutrients and oxygen via the mother’s bloodstream to the fetus while also removing waste products from the fetus’ blood.

Umbilical Cord

The cord connecting the placenta and fetus, through which nutrients pass.

Fetus

The developing human from roughly eight weeks after conception to birth, during which major structures and organs develop.

Alpha-Fetoprotein

A protein produced by the liver of a developing fetus, levels of which are tested during pregnancy as a marker for certain conditions.