Fire Protection Hydraulics and Water Supply
\nFire Protection Hydraulics and Water Supply
\n1.\tA pump operator calculated 8 psi of friction loss for every 100 feet of hose. What would be the total friction loss for 350 feet of hose?<\/p>\n
24<\/p>\n
28<\/p>\n
16<\/p>\n
20
\n5 points
\nQUESTION 2
\n1.\tUsing the predetermined coefficient chart, what is the coefficient for a 3-inch hose with 3-inch couplings?<\/p>\n
0.67<\/p>\n
0.05<\/p>\n
0.8<\/p>\n
0.1
\n5 points
\nQUESTION 3
\n1.\tWhile solving the friction-loss formula FL = C Q2 L, which of the following accurately reflects how to solve for C Q2 L, with 200 feet of 1.75-inch hose flowing at 150 gallons a minute?<\/p>\n
15.5(200\/100)2(150\/100)<\/p>\n
15.5(150)2<\/p>\n
15.5\/(150)2<\/p>\n
15.5(150\/100)2(200\/100)
\n5 points
\nQUESTION 4
\n1.\tIn the friction loss formula FL = C Q2 L, L represents the value for what?<\/p>\n
Line diameter in inches multiplied by 100<\/p>\n
Line diameter in inches divided by 100<\/p>\n
Length of hose in feet divided by 100<\/p>\n
Length of hose in feet multiplied by 100
\n5 points
\nQUESTION 5
\n1.\tWhen pumping a standpipe, what is general rule PDP that should not be exceeded unless the system is designed to handle a greater pressure if needed?<\/p>\n
150 psi<\/p>\n
175 psi<\/p>\n
200 psi<\/p>\n
225 psi
\n5 points
\nQUESTION 6
\n1.\tWhat is the standard nozzle pressure to a master stream fog nozzle?<\/p>\n
100<\/p>\n
150<\/p>\n
80<\/p>\n
50
\n5 points
\nQUESTION 7
\n1.\tIn the friction loss formula FL = C Q2 L, FL represents the value for what?<\/p>\n
Fluid loss<\/p>\n
Friction loss<\/p>\n
Flux loss<\/p>\n
Flow loss
\n5 points
\nQUESTION 8
\n1.\tWhat is the friction loss for all master stream appliances?<\/p>\n
0<\/p>\n
10<\/p>\n
25<\/p>\n
35
\n5 points
\nQUESTION 9
\n1.\tWhile solving the Condensed Q friction-loss formula for 5-inch hose, which of the following accurately reflects how to solve for Q2 when flowing 1000 gpm?<\/p>\n
(1000\/100)2<\/p>\n
2(1000\/100)2<\/p>\n
(1000\/10)2<\/p>\n
2(10\/100)2
\n5 points
\nQUESTION 10
\n1.\tHandline smooth-bore nozzles are commonly rated at what nozzle pressure?<\/p>\n
45 psi<\/p>\n
80 psi<\/p>\n
50 psi<\/p>\n
100 psi
\n5 points
\nQUESTION 11
\n1.\tCalculate the total friction loss by using the following details:<\/p>\n
3-inch hose with 2.5-inch couplings
\nVolume = 200 GPM
\nHose Length = 300 feet<\/p>\n
4.08<\/p>\n
4.80<\/p>\n
8.04<\/p>\n
9.60
\n10 points
\nQUESTION 12
\n1.\tYou are operating at a high-rise structure fire, and you are the pump operator of an engine company that is pumping directly to the tip of aerial apparatus that has a pre-piped waterway. Calculate the pump discharge pressure by using the following details:<\/p>\n
5-inch hose
\nVolume = 500 GPM
\nHose Length = 400 feet
\nFog Nozzle at the Aerial Tip
\nAerial Device Raised 100 feet<\/p>\n
133<\/p>\n
158<\/p>\n
183<\/p>\n
233
\n10 points
\nQUESTION 13
\n1.\tCalculate the total friction loss using the condensed Q method by using the following details (round to the nearest whole number):<\/p>\n
5-inch hose
\nVolume = 800 GPM
\nHose Length = 500 feet
\nFormula: Q2\/15<\/p>\n
4<\/p>\n
12<\/p>\n
21<\/p>\n
64
\n10 points
\nQUESTION 14
\n1.\tCalculate the pump discharge pressure by using the following details:<\/p>\n
2.5-inch hose
\nVolume = 300 GPM
\nHose Length = 200 feet
\nNozzle Pressure = 50<\/p>\n
68<\/p>\n
70<\/p>\n
86<\/p>\n
90<\/p>\n
QUESTION 15
\n1.\tCalculate the total friction loss with the following details:<\/p>\n
1.75-inch hose
\nVolume = 150 GPM
\nHose Length = 200 feet<\/p>\n
50<\/p>\n
69.75<\/p>\n
75.69<\/p>\n
108<\/p>\n","protected":false},"excerpt":{"rendered":"
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