5. If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water (a) 51 cm Б) 50 сm (c) 52 cm (d) 52.2 cm (е) 51.7 сm.
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- If the barometer is installed in direct sunlight causing the water temperature to rise to 50°C, what will the measurement error be?If water with a height of 1.2 m in a manometer is replaced by oil with specific gravity of 0.75, what is the equivalent height?Lacking on mercury, an improvised barometer uses a liquid that weighs 0.735 times that of mercury. Assuming that the unit weight of air is constant 12 N/m^3, evaluate the approximate height of the mountain if the barometer readings are 600mm at the base and 850mm at the top of the mountain. specific gravity= 13.6
- 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 mmIf the temperature and pressure at measurement time are 18°C and 760 mm Hg, respectively, what will be the error in electronic measurement of a line 3 km long if the temperature at the time of observing is recorded 10°C too high? Will the observed distance be too long or too short?A submarine moves forwards and has its axis 15 m below the surface of water. A pitot tube properly placed just in front of submarine and along its axis is connected to U-tube manometer. The difference in mercury levels of manometer is 170 mm. Determine the speed of the submarine. Take specific gravity of sea water = 1.026
- A set of independent current measurements were taken by six observers and were recorded as 12.8 mA, 12.2 mA, 12.5 mA, 13.1 mA, 12.9 mA, and 12.4 mA. Calculate (a) the arithmetic mean. (b) the deviation from the mean. (c) the average deviation?Example: A set of independent current measurements were taken by six observers and were recorded as 12.8 mA, 12.2 mA, 12.5 mA, 13.1 mA, 12.9 mA, and 12.4 mA. Calculate (a) the arithmetic mean. (b) the deviation from the mean. (c) the average deviation?The height of Mount Mayon is 2463m. If the pressure at the top of the volcano is 586.45mmHg and the average unit weight of air in the area is 12.56N/m3, what is the expected atmospheric pressure (mmHg) reading for a mecury barometer at the base of the volcano? Round your answer to 3 decimal places.
- Two barometers are put at the same location. The specific weight of liquid of the first barometer is γ1 = 10.77 kN/m3, and the specific weight of the second one is γ2 = 11.06 kN/m3. If the liquid height to the freesurface of the first barometer is h1 = 8.26 m, calculate the liquid height of the second barometer, h2_______mThe basic barometer can be used to measure the height of a building. If the barometric readings at the top and at the bottom of a building are 29.7” and 28.7” Hg, respectively, determine the height of the building in feet. Assume an average air density of 0.0023 slug/ft3 (1 slug = 32.174 lb) and SG of Hg = 13.55.A jet of water discharges into a 90-cm open cylindrical tank with a height of 1 m. The cross-sectionalarea of the jet is 0.0025 m2 where the velocity of water jet is 3 m/s. How many seconds is requiredto fully fill the tank? The following are given for the measurements of a 90-cm open cylindrical tank when a jet of water discharges. height= 1m velocity=3m/s Area=0.0025m2 Determine the time to fully fill the cylindrical tank.