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A circular shaft of length / and radius a is twisted at the ends by a torque T, which results in an angle of twist a per unit length of the shaft. The shear modulus of the material is G
(a) Find the magnitude of the nonzero components of stress in the shaft.
(b) Derive expressions for the strain energy density and the total strain energy
Consider one-dimensional transient conduction in a slab of thickness L. Initially, the entire slab is at temperature Ti and both surfaces are at temperature Ti. At time t = 0, the left surface (x = 0) temperature is increased to Ts. Find the tempe..
A rigid tank contains 1 kmol of Ar gas at 220 K and 5 MPa. A valve is now opened, and 3 kmol of N2 gas is allowed to enter the tank at 190 K and 8 MPa. The final mixture temperature is 200 K. Determine the pressure of the mixture, using (a) the id..
At a pumped storage facility, water is pumped from a large reservoir to a point 150 feet above the resevoir. How many feet of head must the pump add to achieve 10,000 lbm/hr flow through a 24 inch pipe with a friction head loss of 1.5 feet
Water enters a pipe at 100 psig and 70 degrees F. The density of water under these conditions is 62.3 lbm/ft^3. The pipe has an inside diameter of 4.5 inches. The mass flow rate of the water is measured to be 7500 lbm/hr.
If the hydraulic head in the canal is 100 ft and in the drainage ditch it is 80 ft calculate the maximum mounding height and the mounding distance from the canal that will occur if the farmer irrigates at a rate of 2 acre-ft/acre/year.
The Three Gorges Dam in China will be the world's biggest when complete. When did the construction start
Write a program that asks for the diameter of two different spheres. Then display to the user, the Maximum, Minimum, and Average volume of the spheres. Display this result in different lines of ONE message box by using VBCRLF.
Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon?
Find the depth and the top width of a v-notch capable of discharging a maximum of .7m^3/s and such that the head shall be 75mm for a discharge of 5.6 liters per second.
What is the TCE concentration in ppm if the tank is held at (a) 4 degrees C and (b) 35 degrees C (c) What is the TCE concentration in ppm if the tank is filled with hexane instead of water
uniform rod makes with the vertical during the roll, and (b) the speed of the roller after it moves 4 ft., starting from rest. The roller rolls without slipping, and the rod hangs vertically (theta = 0) when the system is at rest.
What is the maximum thermal efficiency this thermoelectric generator can have?
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