Skip to main content

Fire Extinguisher Labels


Fire extinguishers bearing a blue circle-shaped label are classified for which type of fire? A. ordinary combustibles, B. flammable liquids, C. electrical fires D. metal fires


C is correct: Class C for electrical fires. Class A (triangle) is for combustible materials. Class B (square) is for flammable liquids, Class D (star) is for combustible metals usually found in industry.

Comments

Post a Comment

Try These Too!

Building Efficiency

Convert the usable area of classrooms planned with medium efficiency level of new construction to the gross building area given the following model factors: Net Assignable Square Feet: 10,000, Space Factor: 1.5, Building Efficiency Ratio: 67%
6 comments
See the answer »

Deflection: steel or wood

For EITHER steel or wood beams, a question that asks for the allowable deflection limit (maximum) for live loads only requires which of the following equations? A. L/240 B. L/360 C. ∆ = 5wl⁴ / 384EI D. ∆ = 5Wl³ / 384EI Answer B. L/360 or span in inches divided by 360. ARE 4.0 exam prep: SS Note on calculations: From posted discussions on AREforum , memorization of most equations is not advised. However, even when the equation may be available in in-exam reference, selection of the appropriate equation requires correct identification.
Post a Comment
See the answer »

Townships double post!

How many sections are contained within a township? Answer 36 (each is 1 mile square) What are the dimensions of 1/2 of a township? H & W Answer 18 miles square (3x6 sections) ARE 4.0 exam prep: SPD
4 comments
See the answer »