2.45 Determine the new differential reading along the inclined legof the mercury manometer of Fig. P2.45, if the pressure in pipe Ais decreased 10 kPa and the pressure in pipe B remains unchanged.The fluid in A has a specific gravity of 0.9 and the fluid in B iswater.SG = 0.9Water100 mm30°80 mm50 mmMercuryIFIGUREP2.45

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Answered: 2.45 Determine the new diferential…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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2.56 In Fig. P2.56 pipe A contains gasoline (SG = 0.7), pipe B contains oil (SG = 0.9), and the manometer fluid is mercury Determine the new differential reading if the pressure in pipe A is decreased 25 kPa, and the pressure in pipe B remains constant. The initial differential reading is 0.30 m as shown B 0.4 m Oil 0.3 m Mercury Gasoline Figure P2.56
FLUID MECHANICS
2.43 In Fig. P2.43 pipe A contains gasoline (SG = 0.7), pipe B contains oil (SG = 0.9), and the manometer fluid is mercury. Determine the new differential reading if the pressure in pipe A is decreased 25 kPa, and the pressure in pipe B remains constant. The initial differential reading is 0.30 m as shown. tB 0.4 m Oil 0.3 m Gasoline -Mercury
In the system illustrated below, manometer A reports a vacuum (negative pressure) of 0.30 kgf/cm2 and manometer B reports a pressure of 7.4 psi.Find the value of the difference in level h in cm
a) Determine the pressure differential between pipes A and B shown in Figure Q2 (a). The fluid in both pipes A and B is water, and the gage fluid in the manometer has a specific gravity of 3. Determine the differential height of the manometer fluid when the pressure differential between A and B increases by 2.943 kPa. Water Water 5 cm 18 cm A 4'cm 30° Figure Q2 (a)
P1.9 A rubber balloon when fully inflated has a spherical shape with a radius of 0.3 m. The absolute pressure inside the balloon is 103 kN m²2 and the local barometric ambient pressure is 750 mm of mercury. By considering the equilibrium of a hemispherical portion of the balloon, calculate the tension in the rubber membrane per unit circumferential length. Neglect the effect of the thickness of the balloon. [Answer: 0.44 kN
For the inclined manometer containing mercury, shown in Fig. P2.41, determine the pressure in pipe B if the pressure in pipe A is 10 kPa. Pipe A has water flowing through it, and oil is flowing in pipe B. Oil (S=0.87) 10 cm Water 9 cm to 7 cm Mercury 40°
A 30 m high vertical column of a fluid of density 1878 kg/m³ exists in a place where g = 9.65 m/s². What is the pressure at the base of the column.
Consider the manometer tube shown in below Figure 1. It is filled with three differentincompressible fluids. The closed end of the tube is connected to a reservoir with aconstant pressure. For this configuration, calculate i) the pressure in the reservoir in kPa, ii) the pressure in the reservoir as gage pressure in kPa, iii) the equivalent height of water, and iv) the equivalent height of mercury.
P1.6 A U-tube manometer A is attached to two vertical tubes B and C as shown in Fig. P1.6. The cross-sectional areas of the tubes A, B and C are 80 mm?, 600 mm² and 900 mm? respectively. The specific gravities of the liquids in B and C are 0.75 and 0.85 respectively. Initially, the interface between the two liquids is on the side of the U-tube connected to B. Due to an increase in the pressure applied to C the interface between liquids rises by 50 mm in the U-tube section A. Determine the increase in pressure in Pa. [Answer: 135 Pa] AP B Final level ---- --- Initial level A. Fig. P1.6 Manometer
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A special tyre was inflated at 2 bar gage pressure on Earth, where the atmospheric pressurewas 1013 hPa and the acceleration of gravity 9.81 m/s2.The tyre was then transported without pressure leakage on Mars, where the atmosphericpressure was 6 mbar and the acceleration of gravity 3.7 m/s 2.Questions:(a) Measuring on Earth the tyre pressure with a mercury manometer, what was themanometer reading in mm?(b) Measuring on Mars the tyre pressure with a mercury manometer, what was themanometer reading in mm?

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