Question 3 pls. Complete solution and units Problem Solving:1. Calculate the force acting on a 30-cm diameter porthole of a ship if the center ofthe porthole is 10 m below water level.2. A U-tube manometer filled with mercury is attached to a gas tank. The level ofmercury on the open end of the manometer is 50 cm higher than the level at theend attached to the tank. What is the gage pressure of the gas inside the tank?3. At what depth below the surface of heavy fuel oil (S.G. = 0.92) will produce a gagepressure of 200 kPa?4. A pressure gage 6 m above the bottom of the tank containing a liquid reads 90 kPa.Another gage 4 m above the bottom reads 103 kPa. What is the specific weight ofthe fluid?5. What is the specific weight of five liters of liquid weighing 50 N?6. A tank of water has a gate in its vertical wall 5 m high and 3 m wide. The top edgeof the gate is 2 m below the surface. What is the hydrostatic force on the gate?7. The corner plate of the hull of the ship is curved on the arc of a circle with a 1.5 mradius. If the bottom of the hull is 4.3 m below the seawater (S.G. = 1.03) surface,what is the magnitude of the force acting on the curved corner plate for 1 meterlength of the hull section?8. The sides of a triangular area measure 2 m, 3 m, and 3 m respectively. Calculatethe force of water on one side of the area if the 2-m side is horizontal and 10 mbelow the surface and the triangle is on a 60º angle sloped upward.9. In the figure below, the tank contains water and immiscible oil at 20°C. What is h incm if the density of the oil is 898 kg/m³?h6 cm12 cmOilWater8 cm10. The U-tube in the figure below has a 1-cm ID and contains mercury as shown. If 20cm of water is poured inta the righthand leg, what will the free-surface height ineach leg be after the sloshing has died down?

The given question (question 3) relates to fluid statics and variation of pressure with depth. the…

Answered: 2 Problem Solving: 1. Calculate the…

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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In an open-end mercury manometer, a 9cm layer of an oil (specific gravity is 0.92) is placed on top of the mercury in the arm attached the The barometric pressure is 765mmHg. If the level of mercury in the open end is 364mm below the mercury level in the other arm, what is the absolute pressure (mmHg) in the apparatus?
A U-tube manometer filled with mercury is attached to a gas tank. The level of mercury on the open end of the manometer is 40 cm higher than the level at the end attached to the tank. (a) What is the gage pressure of the gas inside the tank?(b)what is the absolute pressure of the gas inside the tank?(c) if the level of mercury on the open end is 60 cm lower than the level at the end attached to the tank, what is the absolute pressure of the gas?
An open test tube at 25 oC is filled with mercury and water. The height of mercury is 12.1 cm and the water is 5.6 cm. Calculate the pressure at the bottom of the test tube (kPa) if the atmospheric pressure is 756 mm Hg. (Specific gravity of mercury and water are 13.6 and 1.0 respectively)
Q5 A U-tube manometer similar to that shown below is used to measure the gauge pressure of water (mass density p = 1000 kg /m3). If the density of mercury is 13.6 x 103 kg /m³, what will be the gauge pressure at A if h1 = 0.45 m and D is 0.7 m above BC. Wwater Wmercury
4. A U-tube manometer filled with mercury is attached to a gas tank. The level of mercury on the open end of the manometer is 40 cm higher than the level at the end attached to the tank. What is the gage pressure of the gas inside the tank?
1. A vertical semi-circular area of radius r is submerged in a liquid with its diameter in the liquid surface. How far is the center of pressure from the liquid surface? 2. An open vat holding oil (s=0.80) is 8 m long and 4 m deep and has a trapezoidal cross-section 3 m wide at the bottom and 5 m wide at the top. Determine the following: (a) the weight of oil, (b) the force on the bottom of the vat, and (c) the force on the trapezoidal end panel.
In the open u-tube manometer shown, if h1 is 58 cm, considering that the value of h2 is four times of h1, what will be the value of PA in kPa? (The green fluid at points A has density of 166 kg/m while %3D the blue fluid has density of 333 mg/mL. Use g = 9.81m/s-). Show your answers in 2 decimal places. h2 h, (3) U- Tube Manometer
An air-filled, hemispherical shell is attached to the ocean floor at adepth of 10 m as shown in fig. A mercury barometer located inside the shell reads 765 mmHg (absolute pressure inside the shell)m, and a mercury u-tube manometer designedto givethe outside water pressure indicates differential reading of 735 mmHg as illusrated. Based on these data,what is the atmospheric pressure at the ocean surface for seawater (SG=1.03)
Q2. a. Gauge (G) and mercury manometric (MM) tensiometers was were installed at 30 and 100cm respectively below the soil surface. The distance from the gauge to center of the ceramic cup is 50cm and from the mercury level in the reservoir to soil surface is 30 cm. Reading for the G. tensoimeter was - 61kP(kilopascals) and for the height of the mercury level in the MM tensiometer was -55KP Answer the following: 1. calculate the matric potential of the GT and MMT 2. Find the total potential of GT and MMT 3. indicate the flow direction between the two tensiometer.
b- 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 specific gravity 0.9 is flowing. The center of the pipe is 12 cm below the level of mercury in the right limb. Find the pressure of fluid in the pipe if the difference of mercury level in the two limbs is 20cm. (2.5marks)
An oil of specific gravity 0.92 is flowing through the pipe of diameter 30cm. one end of the simple U tube manometer which contains mercury, is inserted with the center of pipe and other end is open to atmosphere. The level difference in mercury is found in the right limb as 34 cm. The distance between the center of the pipe and the mercury level in right limb is 10 cm. Find the pressure of oil in the pipe in kPa. (2.5 MARKS) (Enter only the values in the boxes by refering to the unit given in the bracket. Do not send the hand written answer sheets to my mail) The pressure of oil in the pipe Unit in kPa =
Pressure in a water container can be measured by an open vertical tube. If the expected water rise is about 20cm. What tube diameter is needed to ensure the capillary action is less than 3%?

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