Dry barrel hydrants - Study guides, Class notes & Summaries

Which of the following terms is used to refer to the process that generates sufficient quantities of burnable vapors to ignite in the presence of oxidizer A- paralysis B-fire coil C- vapor pressure D-flashpoint - D What type of reaction releases energy in the form of sometimes light A- Kinetic B- endothermic C- potential D- exothermic - D What product of combustion causes The most fire deaths A- carbon dioxide B- toxic smoke C- thermal energy D- hydrogen sulfide - ...

NFPA 1001 uses what term to refer to a stream of water produced from a hose? - Fire Stream In general, what are fire hydrant bonnets, barrels, and foot pieces made of? - Cast iron The internal working parts of a hydrant are made of what? - Bronze The valve facings of hydrants are made of what? - Rubber, leather, or composite materials The primary types of hydrants used in North America are what? - Dry barrel and Wet barrel Hydrants are considered standard if they contain what two components...

Common Hose Materials -Cotton -Nylon -Rayon Vinyl -Poly-mired vinyl -polyester Braided Hose yarn braided over a rubber liner Wrapped Hose fabric or mesh material impregnated with rubber or plastic wrapped around a rubber liner and covered with plastic or rubber Woven Hose rubber liner and one or more woven outer layers Hose Jacket Outer woven layer of a woven hose Hose Coupling Materials Brass alloy Aluminum alloy Magnesium Types of Couplings...

Where are dry-barrel hydrants typically located? Select one: A. Static water supplies B. Areas subject to frequent vandalism C. Dedicated fire protection water systems D. Cold climates - Answer D How can you determine that a dry-barrel hydrant is still draining? Select one: A. Place a hand on the stem nut and feel for vibration B. Listen carefully for a hissing sound C. Look for a continuing trickle from the discharge outlet D. Place a hand over an outlet and feel for suction - An...

Essentials of Fire Fighting 7th Edition Chapter 13 Hose Operations and Hose Streams Actual Exam What type of hose stream has the lowest forward velocity? A. Solid stream B. Straight stream C. Wide-angle fog stream D. Narrow-angle fog stream - CORRECT ANSWER-C. Wide-angle fog stream Chapter 13 - page 624 A hose fitting used to connect a smaller-diameter hose line to the end of a larger one is commonly called a(n): A. Wye B. Adapter C. Reducer D. Water thief - CORRECT ANSWER-C. Re...

Reduced water volume or pressure from hydrants can result from: open water mains. open isolation valves. greater demand than the system can provide. the use of both wet-barrel and dry-barrel hydrants in the same system. - correct answer -greater demand than the system can provide. Standard fire hydrants have at least one large steamer connection and: four hose outlet nozzles for 2 1/2-inch (65 mm) couplings. one smaller steamer connection. two smaller steamer connections. two hose out...

Reduced water volume or pressure from hydrants can result from: open water mains. open isolation valves. greater demand than the system can provide. the use of both wet-barrel and dry-barrel hydrants in the same system. - correct answer -greater demand than the system can provide. Standard fire hydrants have at least one large steamer connection and: four hose outlet nozzles for 2 1/2-inch (65 mm) couplings. one smaller steamer connection. two smaller steamer connections. two hose out...

Reduced water volume or pressure from hydrants can result from: open water mains. open isolation valves. greater demand than the system can provide. the use of both wet-barrel and dry-barrel hydrants in the same system. - correct answer -greater demand than the system can provide. Standard fire hydrants have at least one large steamer connection and: four hose outlet nozzles for 2 1/2-inch (65 mm) couplings. one smaller steamer connection. two smaller steamer connections. two hose out...

Water is most dense at A. 212 DegF B. Boiling C. Freezing D. 4 DegC D The three types of main valves on dry-barrel hydrants are A. Standard compression, non-standard, and toggle B. Standard compression, Corey, and wave action C. Standard compression, Corey, and Toggle D. Standard compression, slide gate, and Toggle D

Essentials of Fire Fighting 7th Edition Chapter 13 Hose Operations and Hose Streams Actual Exam What type of hose stream has the lowest forward velocity? A. Solid stream B. Straight stream C. Wide-angle fog stream D. Narrow-angle fog stream - CORRECT ANSWER-C. Wide-angle fog stream Chapter 13 - page 624 A hose fitting used to connect a smaller-diameter hose line to the end of a larger one is commonly called a(n): A. Wye B. Adapter C. Reducer D. Water thief - CORRECT ANSWER-C. Re...