Which of the Following Statements About Fire Suppression Systems Is

question 4

Multiple Choice

Which of the following statements about fire suppression systems is true?

• A)Sprinkler systems for low-rise buildings need supplemental pumps to increase water pressure from the local water supply.
• B)When the kitchen fire suppression system is activated, it should also interrupt the supply of fuel to kitchen equipment.
• C)A water fire extinguisher is the most effective type of portable extinguisher to combat electrical fires..
• D)Dry chemical agents used in kitchen hood systems simplify cleanup tasks and minimize corrosion of kitchen equipment.

---

Definitions:

IR Spectrum

A graphical representation of the infrared light absorption of a substance, used to identify chemical bonds and functional groups within a molecule.

M-xylene

An isomer of xylene with two methyl groups attached to the benzene ring in the meta positions, used as a solvent and chemical precursor.

Aromatic C-H Stretch

A characteristic vibrational mode observed in infrared spectroscopy, typically occurring in the region of 3100 to 3000 cm^-1, indicative of aromatic hydrocarbons.

C Stretch

Refers to the carbon-hydrogen bond stretching vibration observed in infrared spectroscopy, indicative of specific organic functional groups.