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A rubber ball is inflated to a pressure of 65 kPa .At that pressure the diameter of the ball is 240mm and the wall thickness is 1.25 mm.The rubber has a modulus of elasticity E of 3.6 Mpa and a poisoon'd ratio of 0.48.Determine the maximum stress and strain in the ball. If the strain must br limited to 0.425,find the minimum wall thickness of the ball.
Design the continuous slab showin using the ACI moment coeficients assuming the service live load of 200 psf is to be supported in addition to the weight of the slabs
problem analyze the stability of the dam shown in the figure if the friction coefficient between concrete and
The pipe has a flow of 5 m3/s. The stream's chloride concentration just upstream of the pipe's dischage is 12 mg/L, and the runoff pipe's discharge has a chloride concentration of 40 mg/L. Chloride is a conservative substance.
An open clean glass tube, having a diameter of 3 mm is inserted vertically into a dish of mercury at 20c .How far will the column of mercury (S.G =13.6) in the tube be depressed in (mm) given the following information. Theta = 130 and surface tens..
A space is at a temperature of 75 F, and the relative humidity is 45 percent. find the partial pressures of the air and water vapor
You are to assume that seawater at 77oF will be used in the tank and the curved portion forms a quarter of a circle. The tank is open to the atmosphere. The overall height, h2, is 20ft deep. The radius of the curve, R, is 5ft. The width of the..
A container with volume 0.2 m^3 holds oxygen and has gages showing readings of 70°C and 25 bars. Calculate the amount of oxygen (mass and moles) in the container if the atmospheric pressure is 1 bar.^3
A flat rectangular metal plate measures 17.63 + and - 0.02 inches by 26.85 + and - 0.04 inches. A circular hole of diameter 11.42 + and - 0.03 inches is cut out of the plate.
What are the different types of stress that a structural element could be subjected to at different cases of loading
A steel cylinder tank is 10 ft in diameter, 15 ft high, and is filled with a brine solution. Brine weighs 10 lbf/gal. The thickness of the steel shell is 1/2 in. The cylinder sits on a concrete pad 12ft x 12ft .
water flows from a lake as is shown in fig. p8.40 at a rate of 4.0 cfs. is the device inside the building a pump or a turbine? Explain and determine the horsepower of the device. neglect all minor losses and assume the friction factor is .025
Air enters adiobatic compressor at 100kpa, 20 degrees celcius at rate of 0.1 kg/s and exits at 200 degrees celcious. compressor efficiency is 70%. Determine the exit pressure and power required.
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