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What force is necessary to lift a thin 25-mm diameter ring out of :
a) water, and
b) ethyl alcohol.
Neglect the weight of the ring and assume a temperature of20oC.
Note: Please show allsteps, and include any necessary explanations
A fire has destroyed thousands of acres of forest. Seedlings have been planted in the area but are being destroyed by the local wildlife. Develop a way to reforest the region by preventing the wildlife from eating the seedlings
samples of 20 rivets for a steel structure are checked for quality every hour.the probability of finding a bad rivet
calculate the chord lenght between stations 75.00 and 75.00 on a circular curve with Da=5.5 degrees.
The beam species is douglas fir-larch a) check for beam shear b) check the beam for deflection, knowing deflection limitation is L/360 (given L =12 ft) Given: L=12 Beam Size 9.50" x 10.50" fv= 1.50V/A Deflection Max = 19PL^3/384*E*I
Determine the discharge for (a) commercial steel (b) cast iron (c) smooth concrete and the flow gain if the highest capacity pipe material is chosen over the lowest.
The tank has an inner diameter of 1.5 m and a wall thickness of 18 mm. If the pressure in the tank is p=1.20MPa, determine the force in the 16 bolts that are used to attach the cap to the tank. Also, specify the state of stress in the wall of the ..
Consider the steady-flow energy equation applied to the given extrusion process. Since the die is horizontal then there will be no change in potential energy from inlet to outlet. Hence the potential energy terms can be neglected.
A complete mix activated sludge plant operates at design Q, with the reactor tank volume set by a nominal= 6 hours.. a) It was anticipated that it would operate at 25% RAS for an expected Xr= 2,000 mg/l. What would the actual be
The average slope distance of 500m was measured with utilizing infrared light with wavelength = .91 um has a modulating frequency at 24.5 MHz. At the time of the measurement, the temperature was 27 degrees C and the atmospheric pressure was 755.1 ..
Runoff from a storm flows into a reservoir with a surface area of 20.0 ha at a constant rate. The reservoir level is observed to rise at 1 mm per minute when water is being released through the dam at a rate of 10 m3 per second.
The head difference between manometer levels was 4.9 cm during the test, and the water temperature was 20 degrees celcius. If it took 152 second for 500 ml of water to discharge, determine the soil's coefficient of permeability.
For a three span continuous beam ( three 20' spans ), subjected to some uniform load, what is Cb for each span. Assumed the beam is braced against translation and rotation at each support.
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