An open, clean glass tube, having a diameter of 4.1 mm, is inserted vertically into a dish of mercury at 20 °C (see the Video). How far will the column of mercury in the tube be depressed? m
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- Q8/ An open, clean glass tube, having a diameter of 3 mm, is inserted vertically into a dish of mercury at 20 °C. How far will the column of mercury in the tube be depressed?The velocity through the throat of a venturi meter is four times that of the velocity through a pipe that has a diameter of 0.5 m. How much is the deflection of the mercury levels in mm if the reported discharge is 0.01 m³/s? Use cp = 0.6. Pressure-sensing holes Throat section Deflection MercuryA cylindrical tank is filled with dimethylformamide (DMF,SG=0.944) up to a height of 3.75 ft. The tank is open to the atmosphere and has a diameter of 4.00 feet. An open end mercury manometer is attached to the side of the tank. Assume the atmospheric pressure is 1 atm and specific gravity of mercury is 13.6. d) Supposing the distance d1 is equal to 0.5 ft, what reading would you expect on the manometer, h (in mmHg)?
- 1) A glass manometer with oil as the working fluid is connected to an air duct. Which of the following picture is CORRECT? a or b 2) A device measured stagnation pressure is called? a) barometer b) Piezometer c) Pitot tube d) manometerA calibration test of a 15-mm diameter circular sharp-edged orifice in a vertical side of a large tank showed a discharge of 760 N of water in 60 seconds at a constant head of 6.50 m. Measurement of the jet showed that it traveled 3.20 m. horizontally while dropping 450 mm. Compute for the nearest value of the coeficient of discharge. O 0.60724 O 0.67240 O None of the above O 0.64702 O 0.640273. A differential manometer is attached to two tanks, as shown in figure. A) Calculate the difference in pressure of the two chamber B) Calculate the absolute pressure at A if the chamber B is open to atmos phere C) Calculate the pressure at the interface of the oil and mercury if the pressure at point A is 45 kPa Chamber A 1.1 m oil sg=0.89 0.30 m mercury Chamber B B tetrachloride sg= 1.59 0.8 m
- The left leg of U-tube mercury manometer is connected to a pipe-line conveying water. The level of mercury in the leg is 0.6 m below the center of plpe-lne and the right leg is open to atmosphere. The level of mercury in the right leg is 0.45 m above that in the left leg and the space above mercury in the right leg contains Benzene (specific gravity 0.88) to a height of 0.3 m. Find the pressure in the pipe.A mercury manometer is connected to a flow meter in a pipeline. The gaugepressure at Point 1 is 38 kN/m2 and at Point 2 the vacuum pressure is −50 kN/m2. The fluid in the pipeline is water. Calculate the manometer reading Rp .1. What is the specific gravity of kerosene, which has a specific weight of 7.853103 N/m³? 2. Two capillary tubes are placed vertically in an open container of water. One tube has a diameter of 2.0 mm, and the other a diameter of 1.0 inch. In which tube will the water rise higher? 3. A sliding plate viscometer, as shown below, is used to measure the viscosity of a fluid. The plate area is 0.75 ft?. A force of 1.531024 lb moves the upper plate at a velocity of 10.0 ft/s. What is the absolute viscosity? V = 10.0 ft/s 0.50" Fluid 4. A liquid has an absolute viscosity of 2.231025 lb-s/ft?. It weighs 45 lb/ft³. What is its kinematic viscosity? 5. A liquid has an absolute viscosity of 2.431023 N-s/m². It weighs 7.853103 N/m³. What is its kinematic viscosity?
- Date: ubject: calcujate the reading ofo barometer în mm of mercury 97.9 kPa. corres ponding to an atmospheric pressure ofQuestion 44 A calibration test of a 15-mm diameter circular sharp-edged orifice in a vertical side of a large tank showed a discharge of 760N of water in 60 seconds at a constant head of 6.50 m. Measurement of the jet showed that it traveled 3.20 m. horizontally while dropping 450 mm. Compute for the nearest value of the coeficient of discharge. O 0.60724 O None of the above O 0.64702 O 0.64027 O 0.67240 A Moving to another qestion will save this resnanse Quostion 44 af 48A U-tube is partly filled with mercury and an unknown liquid is poured into it through the other arm. The surface of the separation of the liquids is at the 6.35 cm mark, the 0 marks being at the tube’s bottom. The free surface of mercury is at 8.46 cm while that of the unknown liquid at 28.24 cm. If the density of mercury is 13.6 g/cc, calculate the density of the unknown liquid.