19. Fluid Mechanics
Pressure Gauge: Barometer
19. Fluid Mechanics
Pressure Gauge: Barometer
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- Multiple Choice
A classic barometer (shown below) is built with a 1.0-m tall glass tube and filled with mercury (13,600 kg/m3). Calculate the atmospheric pressure, in ATM, surrounding the barometer if the column of liquid is 76 cm high. (Use g=9.8 m/s2.)
- Open QuestionThe liquid in the open-tube manometer in Fig. 12.8a is mercury, y_1=3.00 cm,and y_2=7.00 cm. Atmospheric pressure is 980 millibars. What is (a) the absolute pressure at the bottom of the U-shaped tube; (b) the absolute pressure in the open tube at a depth of 4.00 cm below the free surface; (c) the absolute pressure of the gas in the container; (d) the gauge pressure of the gas in pascals?
- Open Question
(II) A house at the bottom of a hill is fed by a full tank of water 6.0 m deep and connected to the house by a pipe that is 75 m long at an angle of 61° from the horizontal (Fig. 13–53).
(b) How high could the water shoot if it came vertically out of a broken pipe in front of the house?
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