6-35E A fan with 24-in-diameter blades moves 2000 cfm(cubic feet per minute) of air at 70°F at sea level. Determine(a) the force required to hold the fan and (b) the minimumpower input required for the fan. Choose a control volumesufficiently large to contain the fan, with the inlet sufficientlyfar upstream so that the gage pressure at the inlet is nearlytero. Assume air approaches the fan through a large area withegligible velocity and air exits the fan with a uniform veloc-yat atmospheric pressure through an imaginary cylinderwhose diameter is the fan blade diameter. Answers: (a) 0.820of, (b) 5.91 Wf

Answered: Image /qna-images/answer/7eedd06e-b862-4af9-8e5e-e1e907016583.jpg

Answered: 6-35E A fan with 24-in-diameter blades…

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 the figure below, the tank containing the water is very large and open to the air, and the pipe through which the water drains is very small. The pipe is not open to the air and the water can be treated as an ideal fluid. Find the speed at which the water is traveling in the pipe.
Q4: A manometer of the shape shown in the figure has limb A filled with water and the limb B with oil with density 950 kg/m³. The area of the enlarged mouth portion is 50 time the area of the tube portion. If the pressure difference is 22 N/m² calculate the height h p2 p1 Ah water Oil Ah H=2h
1- A 2 m long conical tube is fixed vertically with its smaller end upwards. It carries liquid in downward direction. The flow velocities at the smaller and larger ends are 5m/s and 2m/s respectively. The 0.35(u₁-u₂)² pressure head at the smaller end is 2.5 m of liquid. If the loss of head in the tube is 2g (u, and u₂ being the velocities at the smaller and larger ends respectively). Calculate the pressure head at the larger end.
In the depot in the figure, 1200 kg / m3 of oil is compressed with air. Calculate the flow rate of the oil flowing through the d diameter pipe. (The cross-sectional area of the container containing the oil is much larger than the cross-sectional area of the d diameter pipe.) (H1 = 2m, h2 = 30 cm, ød = 6 cm PHa = 13600 kg / m3) Atmosfer Hava ha hi Civa (Hg) |||| | ||| ||
Please solve this question handwriting
An air receiver carries a pressure of 3500 kPa absolute @ a temperature of 25 C. A fire occurs near the receiver which causes the temperature to rise to 80 C. Neglecting the increased volume of the receiver due to expansion, calculate the air pressure at this temperature.
A cylindrical container with a massless and frictionless piston is filled with water up to a height h, as shown in the schematic. What mass m should be placed on the piston so that the water flow rate through the opened valve doubles? Consider that piston area A₁ = 0.05 m², valve area A₂ = A1/8, h = 0.9 m, Pwater = 1000 kg/m³, and g = 9.80 m/s². piston area: A₁ m = ? Т h/5 valve area: A₂
3- If F = 1x, F = xi, a = wk,, the centrifugal force is equal to a: mw²xî ------- b: -mw²xk c: mw²x k a: 4 d: -mw²xî e: None of them Ś
The cylindrical in the figure is filled with 31.4 m3 of water at t = 0. The radius of the tank is 1 m and its height is 10 m. There is an outlet line with a radius of 0.2 m at the bottom of the tank. a. What is the time required for half of the water in the tank to drain after the outlet line is opened?b. The flow velocity of water from the bottom of a water tank is related to the height of the water in the tank, and this relation is v² = 2gh where v: (m / s) linear flow velocity, g: gravitational acceleration (10 m / s2) and h: (m) height.
A tank with radius (1m) and a height of (4m) is initially filled with water. Then the hole at the bottom of the tank (shown in the figure) is opened and the water flows out by gravitational. Find the time required to fill an (8 m³) vessel below the tank. • Use the gravitational acceleration g = 9.807 m\sec². R= 1 m 2 m 2 m Cd = 0.9 a =2 * 10-3 m? Vessel of 8 m3
A hose is connected on one side to a tall tank containing water and theother side is lying on the ground. Once the open side is lying on the groundit has water coming out of it at a speed of 7.4 meters per second. Howmuch do you need to lift the hose to stop water coming out of it?
Air is contained in a frictionless piston-cylinder assembly as shown below. The initial equilibrium position is subjected to atmospheric pressure of 100 KPa. The mass of piston and weight together is 200 kg. The piston has a diameter of 0.452 m. The initial temperature of the gas in the container is 800 K. Take C, = (7/2) R and Cy = (5/2) R, calculate the following: (a) force exerted by the piston, weight, and the atmosphere in N (b) total pressure of air in the container in kPa (note: at initial equilibrium position, the Peas = Pop) (c) total moles of air in the container (assume air behaves ideally)

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