Water flows through a Venturi meter at a rate of 2.12 cfs. Calculate for the change in pressure head between 1 and 2. in ft Express your answer in two decimal places 12"Ø O 4"Ø 9" Mercury 12"Ø
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- A closed cylindrical tank 1.845m high and 0.945m in diameter contains water of height 1.35m. When the angular velocity is constant at 20rad/sec , If it is rotated at 15rad/sec and the air has a pressure of 200kPa what is the minimum pressure at the bottom of the tank in KPa? CHOICES a.) 220.48 b.) 22.48 c.) 202.48 d.) 248.22an open circular vessel is 1m in diameter and 2m in height. it contains water filled to a depth of 1.5m. if the cylinder rotates about its vertical axis, what is the pressure intensity at the center of the bottom if w= 6 radians/second? (Unit of the correct answer : kPa) CHOICES a.) 12.465 b.) 21.456 c.) 16.425 d.) 15.542A pressure gage 7.0 m above the bottom of a tank containing a liquid reads 64.94 kPa; another gage at height 4.0 m reads 87.53 kPa. Compute the specific weight and mass density of the fluid.
- Derive an expression for the capillary rise h for a fluid of surface tension a and contact angle between two vertical plates a distance W apart, see figure below. What will be h for water at 20°C if W= 0.25mm?Find the depth of the water in the tank, H, and the manometer reading, h, if the hydrostatic force on the circular plug is 25 N. Take the specific weight of the water as γwater = 9810 N/m3 and the specific gravity of mercury Sm = 13.56Estimate the height to which water will rise or fall in a capillary tube of diameter 3 mm. Use ? = 0.0728 N/m and ? = 9,810 N/m3for water.
- 9.4.2 Bernoulli Equation Example 9-407 The Orifice Origin: Textbook Compute the velocity of the water through an orifice that is draining a 10-m high tank.Convert the following readings of pressure to kPa absolute, assuming that the barometer reads 760 mm Hg: (a) 90 cm Hg gage; (b) 40 cm Hg vacuum; (c) 100 psig; (d) 8 in. Hg vacuum, and (e) 76 in. Hg gage.Completely solve. Write legibly. Box the final answer. Water is flowing through a pipe 1/3 ft. inside diameter into a pipe 1'' in diameter at a rate of 12.62 lps. If the pressure in the 4'' pipe is 275.8 kPa, what is the pressure in the small pipe assuming no energy loss and friction head loss?
- At the end of a water fountain, a nozzle directs water out from a vertically-oriented pipe to the person drinking from it. When the volumetric flowrate is 0.13 m3/s, the gauge pressure where the nozzle to the pipe is 32 kPa. The nozzle of the water fountain weighs 225 N and holds 0.012 m3 of water. The area at the intersection of the nozzle and pipe (A) is 0.02 m2 while the area at the nozzle opening to the atmosphere (B) is 0.016 m2. What is the vertical component of the force securing the nozzle to the pipe in Newtons?A horizontal venturi meter 45cm by 60cm is used t measure the flow of air through a 60cm pipeline. a differential gage connected to the inlet and the throat contains water which is deflected 10cm. Considering the specific weight of air is 12.60 N/m^3, find the flow of air. Neglect head loss.Calculate the vacuum pressure in kg/cm2 if the absolute reading is 5psia. a. 0.6816kg/cm2 b. 0.6746kg/cm2 c. 0.7027kg/cm2 d. 0.6324kg/cm3