Portable Fire Extinguishers Questions and Answers Already Passed

Portable Fire Extinguishers Questions and Answers Already Passed A Class A fire extinguisher with a numerical rating of 2 contains _____ of water. Select one: a. 1.0 gal (3.8 L) b. 1.5 gal (5.7 L) c. 2.0 gal (7.6 L) d. 2.5 gal (9.5 L) d. 2.5 gal (9.5 L) A Class B foam extinguisher is effective on all of the following fuels except one. Choose the exception. Select one: a. Gasoline b. Diesel fuel c. Cooking oil d. Paint thinner c. Cooking oil A Class C agent must: Select one: a. be safe for use in an enclosed area. b. resist freezing. c. be compatible with foam. d. not conduct electricity. d. not conduct electricity A Class K agent's effect on the fuel is known as: Select one: a. emulsification. b. saponification. c. dissolution. d. hydrolyzation. b. saponification A loaded stream extinguisher is designed to: Select one: a. prevent unnecessary water damage. b. resist freezing. c. improve fuel penetration. d. create a foam blanket. b. resist freezing A portable fire extinguisher is bested suited for which situation? Select one: a. Car fire b. Room and contents fire c. Fire in a wastebasket d. Vegetation fire c. Fire in a wastebasket A potential problem with application of a multipurpose dry chemical agent to a Class K fire is: Select one: a. counteraction of other agents applied to the fire. b. production of toxic gas. c. spitting and splattering of fuel. d. sudden flare-up of the fire. a. counteraction of other agents applied to the fire According to NFPA standards, the maximum floor area that can be protected by each extinguisher is specified according to: Select one: a. presence of built-in suppression systems. b. occupancy type. c. construction class. d. occupancy load. b. occupancy type All fire extinguishers are classified according to: Select one: a. the net weight of their contents. b. their relative extinguishing power.