TCFP Driver/Operator Formulas
and Important Numbers Exam
Questions and Answers 100%
PASS
Friction Loss—ANSWER-FL= CQ^2L
Elevation Pressure Loss—ANSWER-EP= 0.5H
Pump Discharge Pressure—ANSWER-PDP= NP + TPL
Condensed Q Formula (3 Inch Hose)—ANSWER-FL= Q^2
Condensed Q Formula (4 Inch Hose)—ANSWER-FL= Q^2/5
Condensed Q Formula (5 Inch Hose)—ANSWER-FL= Q^2/15
Elevation Pressure Loss in Multistory Building—ANSWER-EP= (5 psi) x (Number of stories -1)
GPM (Smooth Bore)—ANSWER-GPM= 29.7xD^2x√NP
Nozzle Reaction (Smooth Bore)—ANSWER-NR= 1.57xD^2xNP
Nozzle Reaction (Fog Nozzle)—ANSWER-NR= .0505xQx√NP
FL Coefficient (1 3/4 Inch Hose)—ANSWER-15.5
FL Coefficient (2 Inch Hose)—ANSWER-8
and Important Numbers Exam
Questions and Answers 100%
PASS
Friction Loss—ANSWER-FL= CQ^2L
Elevation Pressure Loss—ANSWER-EP= 0.5H
Pump Discharge Pressure—ANSWER-PDP= NP + TPL
Condensed Q Formula (3 Inch Hose)—ANSWER-FL= Q^2
Condensed Q Formula (4 Inch Hose)—ANSWER-FL= Q^2/5
Condensed Q Formula (5 Inch Hose)—ANSWER-FL= Q^2/15
Elevation Pressure Loss in Multistory Building—ANSWER-EP= (5 psi) x (Number of stories -1)
GPM (Smooth Bore)—ANSWER-GPM= 29.7xD^2x√NP
Nozzle Reaction (Smooth Bore)—ANSWER-NR= 1.57xD^2xNP
Nozzle Reaction (Fog Nozzle)—ANSWER-NR= .0505xQx√NP
FL Coefficient (1 3/4 Inch Hose)—ANSWER-15.5
FL Coefficient (2 Inch Hose)—ANSWER-8