Two pipelines, one carrying oil (mass density 900 kg/m³) and the other water, are connected to a manometer as shown in figure. By what amount the pressure in the water pipe should be increased so that the mercury levels in both the limbs of the manometer becomes equal? (Mass density of g mercury = 13550 kg/m³ and 9.81m/s²)
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- The reading of an automobile fuel gage is proportional to the gage pressure at the botoom of the tank. If the tank is 32 cm deep and is contaminated with 3cm of water. A.) If the tank is full of gasoline what should be the reading at the page in Pa? Use Ywater=9790N/m^3, Ygasoline=6670N/m^3 and Yair=11.8N/m^3 Choices: 1934,2839,3132,2134 B.) How many centimeters of air remains at the top when the gauge indicates full? Choices: 3.75,1.41,4.42,2.36 C.) If the tank is 0.5m^2 in area, calculate the volume of gasoline when the gage reads full Choices: 138 L,160L,145L,123LAn open cylindrical tank 800mm in diameter and 2000mm high contains water to a depth of 1.6m. It is rotated about its vertical axis at 13 rad/s. How many liters of water are spilled? Use density of water as 1000kg/m3 and specific weight as 9.81kN/m3A liquid is flow throw Rotameter to a tank of size ( L x W x H ) and it is required to full the tank to level of H as shown in Figure . What time is required to full the tank by this liquid ? What time is required to drop the liquid in the tank to from level H to D by rectangular notch ?
- Speed measurement is made with a pitot tube by connecting a mercury manometer to a vertical pipeline through which water is transmitted. If the deviation in the manometer column is 15 cm, calculate the speed of the water in the pipe.?mercury = 13560 ???3, ?water = 1000 ???3 (figure in picture) #fluidmechanicsthe reading of an automobile fuel gage is proportional to the gage pressure at the bottom of the tank. if the tank is 30 cm. deep, and is contaminated with 3.42 cm. of water at the bottom, how many meters of air remains at the top when the gage indicates "FULL"? use weight of: gasoline = 6.62 kN/m^3; air = 14.67 N/m^3. the tank is closed.A pressure gage 7.5m above the bottom of the tank containing a liquid reads65.45 kPa; another gage at a height of 4m reads 88.45 kPa.What is the densityof the liquid in kg/cu.m?
- A vertical conduit is carrying oil (S=0.95) as shown in figure 2. A differential mercury manometer is tapped into the conduit at points A and B. Determine the difference in pressure between A and B when h=3in. What is the difference in piezometric head between A and B?The reading of an automobile fuel gage is proportional to the gage pressure at the bottom of the tank. If the tank is 30 cm. deep, and is contaminated with 3.05 cm. of water at the bottom, how many meters of air remains at the top when the gage indicates "FULL"? Use Unit weight of: gasoline = 6.24 kN/m3; air = 12.6 N/m3. The tank is closed. ANSWER : 0.017A turbine is rotating at a constant speed of 2400rev/min. At what constant rate in radian/sec^2 must its motion be retarded to bring it to rest in 20 minutes?
- 3. A brass sphere (sp.gr. 8.60) is placed in a body of mercury. If the diameter of the sphere is 30cm. a. What minimum force would be required to hold it submerged in mercury? b. What is the depth of floatation of the sphere when it is floating freely?A hemispherical tank having a radius of 2.5 m is filled with water to a depth of 1.8 m. If a solid sphere having a diameter of 1.8 m is placed on the bowl, determine how high will the water rise on the bowl. A. 116 mm B. 166 mm C. 176 mm D. 171 mm1.) What is the mass (lbm) of an object that has a base area of 4 inch2 which exerts a pressure of 25 psi? 2.) Determine the dynamic viscosity (Pa-sec) and kinematic viscosity (m2/s) of water with a specific weight of 9.81 kN/m3, if a Falling Sphere Viscosimeter test is conducted using an aluminum sphere that has a diameter of 10 mm and a specific weight of 28.06 kN/m3. The theoretical terminal velocity of the sphere is 0.650 m/s. Round off your answer to 3 decimal places. 3.) Given the water tank A in an orifice setup that transfers water to tank B, determine the theoretical and actual velocity and flow rate if the time it takes to fill up tank B is 20 sec. 4.) Given the computed velocities and flow rates in Question 3, determine the coefficient of contraction, velocity, and discharge. Assume the diameter of vena contracta to be 4mmø.