A mercury Manometer is attached to a pipe having suction pressure. The right limb is open to the atmospherewhile the contact between mercury and water is in left limb at a distance of 30 cm from the center of the pipe.a. If the difference in the Level of mercury in the two limbs is 20 cm, What will be the pressure in the pipe.b. If the pressure in the pipe is increase to Pascal, What will be the new difference in mercury level?

Right limb which is open to atmosphere as per given data : For equilibrium condition a) Difference…

Answered: A mercury Manometer is attached to a…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Q: A simple manometer is used to measure the pressure of water flowing in a pipe line. Its right limb is open to the atmosphere and the left limb is connected to the pipe. The center of the pipe is in the level with the mercury in the right limb. Determine the pressure in the pipe, if the difference of mercury levels in the two limbs is 100mm.
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) manometer
A manometer is a device that measures pressure. A common simple manometer consists of a U shaped tube of glass filled with some liquid. Water is first filled into the U-tube until a clear horizontal water surface is visible on both legs of the U-tube. Unequal amounts of kerosene were then dropped into both legs of the U-tube. The height of kerosene in the left leg was measured as 8.3 cm high and 5.2 cm on the right leg. The difference in elevation between the interfaces of kerosene and water measured 2.5 cm. Determine the specific gravity of kerosene.
The right limb of a simple U-tube manometer containing mercury is open to the atmosphere while the left limb is connected to a pipe in which a fluid of sp. gr. 0.8 is flowing. The centre of pipe is 15 cm below the level of mercury in the right limb. Find the difference of mercury level in the two limbs if the pressure of the fluid is 5.5 N/cm2
A differential manometer has a reading of 4 in. of mercury when it is attached to a 6 inch diameter pipe as shown. the liquid flowing on the pipe is oil having a sp. gr. of 0.91. Compute the difference in pressure between A and B in psi
A closed pressurized tank shown below is filled with oil and mercury. Mercury is confined in an internal reservoir inside the closed tank, the height of mercury is 450mm. An open manometer is placed on the bottom left part of the tank with liquid “X” as its gage liquid , the deflection from the gage liquid shows 800mm. Determine the following:a) Height of the oil from point A up to point c if height A to C is 5 times the height of y. b) Pressure @ point B in kPa. c) Pressure @ point C in psi.
Water flows through a horizontal pipe at a rate of 2.4 gallons per second. The pipe consists of two section of diameters 4 inches and 2 inches in a reducing section. The pressure difference between the two pipe sections is measured by a mercury manometer. Neglecting frictional effects and taking the specific gravity of mercury as 3.56, determine the manometer reading h.
The manometer depicted below is mounted on a city water supply pipe to monitor water pressure. However, the field engineer suspects the manometer reading of h = 3 feet (Hg) may be incorrect. If the pressure in the pipe is measured independently and found to be 18.6 lb/in. (psi), The specific gravity of Hg is 13.6. determine the correct value of the reading h.
A closed cylindrical tank contains 2 m of water, 3 m of oil (s=0.82) and the air above oil has a pressure of 30 kPa. If an open mercury manometer at the bottom of the tank has 1 m of water, determine the deflection of mercury.
Convert a manometer reading into a pressure difference for an open-end manometer, a sealed end manometer, and a differential manometer.
Find the depth of the water in the tank, H, and the manometer reading, h, if the hydrostatic force on the circular plug is 25 N. Take the specific weight of the water as γwater = 9810 N/m3 and the specific gravity of mercury Sm = 13.56
Problem 2. The standard atmospheric pressure is 101.325 kPa. Calculate the height of a mercury column equivalent to this pressure. a. 770.0 mm b. 760.0 mm c. 750.0 mm d. 740.0 mm e. 730.0 mm f. 720.0 mm

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