Fire Protection Hydraulics and Water Supply
\nFire Protection Hydraulics and Water Supply
\n1.\tA pump operator calculated eight psi of friction loss for each 100 toes of hose. What can be the overall friction loss for 350 toes of hose?<\/p>\n
24<\/p>\n
28<\/p>\n
16<\/p>\n
20
\n5 factors
\nQUESTION 2
\n1.\tUtilizing the predetermined coefficient chart, what’s the coefficient for a Three-inch hose with Three-inch couplings?<\/p>\n
zero.67<\/p>\n
zero.05<\/p>\n
zero.eight<\/p>\n
zero.1
\n5 factors
\nQUESTION Three
\n1.\tWhereas fixing the friction-loss formulation FL = C Q2 L, which of the next precisely displays tips on how to resolve for C Q2 L, with 200 toes 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 factors
\nQUESTION four
\n1.\tWithin the friction loss formulation FL = C Q2 L, L represents the worth for what?<\/p>\n
Line diameter in inches multiplied by 100<\/p>\n
Line diameter in inches divided by 100<\/p>\n
Size of hose in toes divided by 100<\/p>\n
Size of hose in toes multiplied by 100
\n5 factors
\nQUESTION 5
\n1.\tWhen pumping a standpipe, what’s common rule PDP that shouldn’t be exceeded until the system is designed to deal with a better stress if wanted?<\/p>\n
150 psi<\/p>\n
175 psi<\/p>\n
200 psi<\/p>\n
225 psi
\n5 factors
\nQUESTION 6
\n1.\tWhat’s the commonplace nozzle stress to a grasp stream fog nozzle?<\/p>\n
100<\/p>\n
150<\/p>\n
80<\/p>\n
50
\n5 factors
\nQUESTION 7
\n1.\tWithin the friction loss formulation FL = C Q2 L, FL represents the worth for what?<\/p>\n
Fluid loss<\/p>\n
Friction loss<\/p>\n
Flux loss<\/p>\n
Circulation loss
\n5 factors
\nQUESTION eight
\n1.\tWhat’s the friction loss for all grasp stream home equipment?<\/p>\n
zero<\/p>\n
10<\/p>\n
25<\/p>\n
35
\n5 factors
\nQUESTION 9
\n1.\tWhereas fixing the Condensed Q friction-loss formulation for 5-inch hose, which of the next precisely displays tips on how to resolve 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 factors
\nQUESTION 10
\n1.\tHandline smooth-bore nozzles are generally rated at what nozzle stress?<\/p>\n
45 psi<\/p>\n
80 psi<\/p>\n
50 psi<\/p>\n
100 psi
\n5 factors
\nQUESTION 11
\n1.\tCalculate the overall friction loss by utilizing the next particulars:<\/p>\n
Three-inch hose with 2.5-inch couplings
\nQuantity = 200 GPM
\nHose Size = 300 toes<\/p>\n
four.08<\/p>\n
four.80<\/p>\n
eight.04<\/p>\n
9.60
\n10 factors
\nQUESTION 12
\n1.\tYou’re working at a high-rise construction hearth, and you’re the pump operator of an engine firm that’s pumping on to the tip of aerial equipment that has a pre-piped waterway. Calculate the pump discharge stress by utilizing the next particulars:<\/p>\n
5-inch hose
\nQuantity = 500 GPM
\nHose Size = 400 toes
\nFog Nozzle on the Aerial Tip
\nAerial Machine Raised 100 toes<\/p>\n
133<\/p>\n
158<\/p>\n
183<\/p>\n
233
\n10 factors
\nQUESTION 13
\n1.\tCalculate the overall friction loss utilizing the condensed Q technique by utilizing the next particulars (spherical to the closest complete quantity):<\/p>\n
5-inch hose
\nQuantity = 800 GPM
\nHose Size = 500 toes
\nSystem: Q2\/15<\/p>\n
four<\/p>\n
12<\/p>\n
21<\/p>\n
64
\n10 factors
\nQUESTION 14
\n1.\tCalculate the pump discharge stress by utilizing the next particulars:<\/p>\n
2.5-inch hose
\nQuantity = 300 GPM
\nHose Size = 200 toes
\nNozzle Stress = 50<\/p>\n
68<\/p>\n
70<\/p>\n
86<\/p>\n
90<\/p>\n
QUESTION 15
\n1.\tCalculate the overall friction loss with the next particulars:<\/p>\n
1.75-inch hose
\nQuantity = 150 GPM
\nHose Size = 200 toes<\/p>\n
50<\/p>\n
69.75<\/p>\n
75.69<\/p>\n
108<\/p>\n","protected":false},"excerpt":{"rendered":"
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