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HYDRAULICS ENGINEERING MANUAL EXAM
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HYDRAULICS ENGINEERING MANUAL EXAM1 3/4" CGN - ANSWER Nozzle: 150gpm @ 75psi
PP = 75 + 15psi/50'
GPM= 150
100' = 100psi
150' = 115psi
200' = 130psi
250' = 145psi
300' = 160psi
EB w/ 1 1/8' SBT - ANSWER Tip: 265gpm @ 50 psi
PP = 50 + 10psi/50'
GPM = 265
100' = 70psi
150' = 80psi
200' = 90psi
250' = 100psi
300' = 110psi
EB w/ (1) HR - ANSWER Nozzle: 150GPM @ 50psi
PP = 50 + 5psi/50' + 30psi AL
GPM = 150
100' = 90psi
150' = 95psi
200' = 100psi
250 = 105psi
300 = 110psi
, Standpipe Operations - PP for 1 Bundle - ANSWER 135psi
Standpipe Operations - PP for 2 Bundles - ANSWER 145psi
Standpipe Operations - PP for 1 HR - ANSWER 120psi
Standpipe Operations - PP for 2 High-Rise - ANSWER 120psi
Standpipe Operations - Pump Pressure for HR "Doubled-Up" - ANSWER
185psi
Standpipe Formula - ANSWER PP = Standpipe Pressure (120) + EL
*EL is determined by which floor the hose is hooked up to, not where the
nozzle extends up to
Standard Pump Pressure - Fixed Monitor SBT - ANSWER 90psi
Standard Pump Pressure - Fixed Monitor Automatic Nozzle - ANSWER
135psi
Standard Pump Pressure - 1" hardline - ANSWER 150psi
Standard Pump Pressure - Sprinkler System - ANSWER 150psi
*Never to exceed 185psi unless specifically engineered for that pressure
2 1/2" CGN - ANSWER Nozzle: 250GPM @ 50psi
GPM = 250
PP = 50 + 5psi/50'
100' = 60psi
150' = 65psi
200' = 70psi
250' = 75psi
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