Nozzle- D = 5 cm -Tripod

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter8: Leak Detection, System Evacuation, And System Cleanup
Section: Chapter Questions
Problem 2RQ: Name and briefly describe the six classes of leaks.
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A tripod holding a nozzle, which directs a 5-cmdiameter stream of water from a hose, is shown. The nozzle mass is 10 kg when filled with water. The tripod is rated to provide 1800 N of holding force. A firefighter was standing 60 cm behind the nozzle and was hit by the nozzle when the tripod suddenly failed and released the nozzle. You have been hired as an accident reconstructionist and, after testing the tripod, have determined that as water flow rate increased, it did collapse at 1800 N. In your final report you must state the water velocity and the flow rate consistent with the failure and the nozzle velocity when it hit the firefighter. For simplicity, ignore pressure and momentum effects in the upstream portion of the hose

Nozzle-
D = 5 cm
-Tripod
Transcribed Image Text:Nozzle- D = 5 cm -Tripod
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