Problem 5. A Venturi tube is used to measure the water flow rate (Fig. 5). The wide section of the tube has a diameter D1 = 8 cm, while the constriction has a diameter D2 4 cm. The pressure difference between the wide section and the constriction is measured by a mercury manometer (PHg rate. State all your assumptions. Calculate the Reynolds number associated with water flow at the constriction. Is your assumption justified? 13.56 g/cm³). Apply Bernoulli's equation to find the flow 2 cm Figure 5: A Venturi tube is used to gauge the water (blue) flow rate. The pressure difference in the Venturi tube is measured by a mercury (orange) manometer.

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Question 1 b) The U-tube manometer can be used to detemine pressure difference between two systems. This type of manometer is called a differential U-tube manometer. Consider the differential manometer connected to a pipe, as shown in Figure 1. Explain step by step on how you can calculate the pressure difference between point A and B. P1 h, A Flow Test Section U-Tube Differential Manometer

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7) For the manometer setup shown, determine the difference in pressure between A and B. oll, s = 0.85 Water 680 mm Bo 1700 mm YWater 8) A differential manometer is attached to a pipe as shown. Calculate the pressure difference between points A and B. is h. 100 mm re A Mercury A B Oil, s = 0.90 %3!

c) The orifice flowmeter shown in Figure 4 is used to obtain the flowrate of oil inside a conduit. The diameter of the orice, d is one third of the pipe diameter, D with pressure difference recorded as 25 kPa. The pipe diameter D is 6 cm, discharge coefficient Ca, is 0.60, Bis the ratio of orifice diameter to pipe diameter and Oilspedific gravity, SG is 0.95. If the h is 7 cm, i. Calculațe the vollime flowrate of oil inside the conduit. ii. Determine the mass flowrate of oil inside the conduit. iii. Explain why the discharge coefficient Ca, for the orifice meter is higher compared to the venturi and nozzle meters. D=6 cm d Figure 4

A calibration test of a 12.5 mm diameter circular sharped-edged orifice in a vertical side of a large tank showed a discharge of 590 N of water in 81 seconds at a constant head of 4.70 m. Measurement of the jet showed that it traveled 2.35 m horizontally while dropping 300 mm a. Compute the coefficient of velocity.  b. Compute the coefficient of discharge. c. Compute the coefficient of contraction. URGENT Please answer this problem in 30minutes. I need correct answers with complete and step by step solution. Box the final answers. Do not shortcut your solution. I will give an upvote if it satisfies. Thank you!

1. Water is flowing in a wide open channel as shown in the figure. Two pitot tubes are connected to a different manometer containing oil (sp.gr. = 0.82). Find the velocity at m point A and point B in - oil (op.gr.=0.82) 2 m wafer sarfece

Ex.1 Ans. A glass tube 0.25 mm in diameter contains a mercury column with water above the mercury. The temperature is 20°C at which the surface tension of mercury in contact with water is 0.037 kg()/m. What will be the capillary depression of the mercury? Take angle of contact 0= 130°. 3.02 cm

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