. Convert the following reading of pressure to kPa, assuming that the barometer reads 760mm Hg. (1) 90cm Hg gauge (2) 40cm Hg vacuum (3) 1.2m H20 gauge
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- a u-tube manometer filled with water ,density 62.4 lbm/ft3, shows a height difference of 10in. what is the gauge pressure? include diagram. a. 52.0 psf b. 2.488 kPa c. 3.537 atm d. 2.488 psiIn a water-containing manometer, the differential pressure (ΔP) is read as equal to 1 in 20 atmospheric pressure. Accordingly, how many meters is the water height in the manometer? (ρwater = 997 kg/m³, P0 = 101.3 kPa, g = 9,81 m/s²)The pressure of gas in a pipe line is measured with a mercury manometer having one limb open to atmosphere. If the difference in the height of mercury in two limbs is 562mm, calculate the gas pressure. The barometer reads 761 mm Hg, the acceleration due to gravity is 9.79 m/s2, and the density of mercury is 13,640 kg/m3
- For the inverted manometer of Fig, all fluids areat 20 ° C. If p B -p A = 97 kPa, what must the height H bein cm?When a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.Give me right solution. Determine the altitude of the atmosphere above sea level in meters if the atmosphere has an absolute pressure of 23 kPa, abs. and the atmospheric pressure at sea level is 101.325 kPa, absolute and temperature of 15 ⁰C. The gas constant of air is 286.9 joule per kilogram per degree kelvin. Assume the condition isisothermal.
- If a scuba diver descends too quickly into the sea, the internal pressure on each eardrum remains at atmospheric pressure, while the external pressure increases due to the increased water depth. At sufficient depths, the difference between the external and internal pressures can rupture an eardrum. Eardrums can rupture when the pressure difference is as little as 35 kPa. What is the depth at which this pressure difference could occur? The density of seawater is 1025 kg/m3. 1)sketch (include everything in the system) 2)solution(step by step)QUESTION: For an atmospheric pressure of 101 kPa (abs) determine the heights in meters of the fluid columns in barometers containing one of the following liquids: (a) mercury (SG = 13.55), (b) water, and (c) ethyl alcohol (SG = 0.79). Do these results support the widespread use of mercury for barometers? Why?A U-tube manometer filled with water, density 62.4 lbm/ft3, shows a height difference of 10 in. The right branch is tilted to make an angle of 30 degrees with the horizontal, what should the length of the column of water in the tilted tube to have the same pressure with the U-tube manometer? a. 8.66 in b. 25.4 cm c. 23.329 cm d. 22.0 in
- Water fl ows upward in a pipe slanted at 30 ° , as in Fig. .The mercury manometer reads h =12 cm. Both fl uidsare at 20° C. What is the pressure difference p 1 - p 2 inthe pipe?A U-tube differential manometer is connected to two pipes at A and B. Pipe A Contains oil of density 1400 Kg/m3 and pipe B is carrying fluid of density 850 Kg/m3. If the pressure at point A is 195 kN/m2. Find the pressure at point B for the following data h1=11 cm, h2=7.5 cm and h3=23.5 cm. The specific gravity of mercury is13.6?3. A barrel contains a 15 cm layer of oil of density 5.88 kN/m3 floating on water that is 30 cm deep. What is the gauge pressure in mmHg at the oil-water interface?