Please include units 2.A fire truck is sucking water from a river and delivering it through a longhose to a nozzle. The total length of the galvanized iron hose corrected for valves,fittings, entrance, etc. - is 90 [m]. The energy provided by the fire truck for pumpingthe water is 53 [kJ/kg].What diameter is needed for the hose to provide an average velocity of 30 [m/s]?riverII30 [m]pump16 Table 2.1. Roughness of Clean Pipe²€, mmPipe materialRiveted steelConcreteWood staveCast ironGalvanized ironAsphalted cast ironCommercial steel or wrought ironDrawn tubingGlassPlastic (PVC, ABS, polyethylene)1-100.3-30.2-10.26 (0.25) ¹0.15 (0.15)0.12 (0.13) b0.046 (0.043)0.001500"Adapted from Fischer and Porter Co., Hatboro, PA,Catalogs section 98-A (1947).Values in parentheses from Colebrook (1939).

There is no information provided on the flow. Therefore, we will assume that the flow is laminar…

2. A fire truck is sucking water from a river and delivering it through a long hose to a nozzle. The total length of the galvanized iron hose corrected for valves, fittings, entrance, etc. - is 90 [m]. The energy provided by the fire truck for pumping the water is 53 [kJ/kg]. What diameter is needed for the hose to provide an average velocity of 30 [m/s]? -

2. A fire truck is sucking water from a river and delivering it through a long hose to a nozzle. The total length of the galvanized iron hose corrected for valves, fittings, entrance, etc. - is 90 [m]. The energy provided by the fire truck for pumping the water is 53 [kJ/kg]. What diameter is needed for the hose to provide an average velocity of 30 [m/s]? -

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.

Question

Please include units

2.
A fire truck is sucking water from a river and delivering it through a long
hose to a nozzle. The total length of the galvanized iron hose corrected for valves,
fittings, entrance, etc. - is 90 [m]. The energy provided by the fire truck for pumping
the water is 53 [kJ/kg].
What diameter is needed for the hose to provide an average velocity of 30 [m/s]?
river
I
I
30 [m]
pump
16

Table 2.1. Roughness of Clean Pipe²
€, mm
Pipe material
Riveted steel
Concrete
Wood stave
Cast iron
Galvanized iron
Asphalted cast iron
Commercial steel or wrought iron
Drawn tubing
Glass
Plastic (PVC, ABS, polyethylene)
1-10
0.3-3
0.2-1
0.26 (0.25) ¹
0.15 (0.15)
0.12 (0.13) b
0.046 (0.043)
0.0015
0
0
"Adapted from Fischer and Porter Co., Hatboro, PA,
Catalogs section 98-A (1947).
Values in parentheses from Colebrook (1939).

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