Velocity has to be the same at the same horizontal level in case of steady laminar flow. a) True b) False
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Velocity has to be the same at the same horizontal level in case of steady laminar flow.
a) True
b) False
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- 6) In a section of horizontal pipe with a diameter of 3.00 cm the pressure is 5.21 kPa and water is flowing with a speed of 1.50 m/s. The pipe narrows to 2.50 cm. What is the speed and pressure in the narrower region (in kPa)? c)The water pressure in the mains of a city at a particular location is 270 kPa gage. Determine if this main can serve water to neighborhoods that are 25 m above this location.23 Find the flow velocities v1, v2 and v3 and in the conduit shown in the figure. The flow rate Q is 600L/min and the diameters d1, d2 and d3, at sections 1, 2 and 3 are 40, 60 and 90mm respectively. Determine also the pressures P1, and P3, at sections 1 and 3 respectively if the pressure P2, at section 2 is 85.5 kPa*
- How does the flow rate (volume per second) change as a pipe rises (as is in b)?Find the speed of the flow on the lower section. Find the speed of the flow on the upper section. Find the volume flow rate through the pipe.A soft drink (mostly water) flows in a pipe at a beverage plant with a mass flow rate that would fill 220 0.355-L cans per minute. At point 2 in the pipe, the gauge pressure is 152 kPa and the cross-sectional area is 8.00 cm2. At point 1, 1.35 m above point 2, the cross-sectional area is 2.00 cm2. Find the (a) mass flow rate; (b) volume flow rate; (c) flow speeds at points 1 and 2; (d) gauge pressure at point 1.
- if water flows through a pipe with a 1 meter diameter at a consistent linear velocity of 5 m/s and then enters a narrower pipe (diameter = 0.05 meters), determine the velocity of the water after entering the smaller pipe.Water at a gauge pressure of 3.8 atm at street level flows into an office building at a speed of 0.67 m/s through a pipe 5.5 cm in diameter. The pipe tapers down to 2.5 cm in diameter by the top floor, 18 m above, where the faucet has been left open. - Calculate the flow velocity in the pipe on the top floor. Assume no branch pipes and ignore viscosity. - Calculate the gauge pressure in the pipe on the top floor. Assume no branch pipes and ignore viscosity.If you turn on a water faucet so that the water flows smoothly, you should observe that the cross-sectional area of the water stream decreases as the stream drops. At a particular point, the flow speed is 40.0 cm/s and the stream has a cross-sectional area of 2.00 cm2. Use g = 9.80 m/s2. At a point 5.00 cm below the first point, determine the following. (a) the flow speed 0.989 X cm/s (b) the cross-sectional area of the stream 80.8 x cm?
- #12-21. A pipe carries water at a flow rate of 25 gpm. Determine the minimum inside diameter so that the average velocity of the fluid does not exceed: a. 10 ft/s b. 8 ft/s c. 4 ft/s.(A) What is the pressure drop (in N/m2) due to The Bernoulli Effect as water goes into a 3.50 cm diameter nozzle from a 8.90 cm diameter fire hose while carrying a flow of 35 L/s? (B) To what maximum height (in m) above the nozzle can this water rise? (The actual height would be significantly smaller due to air resistance)rn=0.17 cm (nozzle radius)rh=0.95 cm (garden hose radius)Q=0.65 L/s (flow rate through the hose) Calculate the maximum height (in centimeters) to which water could be squirted with the hose if it emerges with the nozzle removed, assuming the same flow rate.