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We wish to analyze the stresses in a bicycle crankshaft. (This is the horizontal shaft, supported in the frame by two ball bearings, which connects the two pedal crank arms.) Obtain whatever dimensions you need by measuring an actual bicycle of standard adult size.
(a) Show, with the aid of a simple sketch, the most severe loading condition normally encountered by this shaft. Show all important dimensions, and state any assumptions made concerning the loading.
(b) Show on your sketch the location of greatest stress in this shaft, and make a Mohr circle representation of this state of stress. (Neglect stress concentration.)
Water at 20°C flows past a circular cylinder in cross-flow at a free stream velocity of 0.5 m/s. The cylinder is 0.02m in diameter and has a length of 0.5m in the cross-stream direction. The cylinder is at a temperature of 60°C. Find the rate at whic..
Based upon an allowable stress in tension of 110 MPa, determine the required diameter d of the bar; disregard the weight of the bar itself.
In any groups of seven guests, there are two guests who do know each other. At the end of the party, everyone gives a present to all the guests he or she knows. Prove that the total number of gifts given is at most 6n
Calculate the pipe diameter D in inches to 2 decimal places required to give the fluid velocity of 4 ft/sec in the following situation: The formula for the velocity is given by: velocity =Flow rate / Pipe Area And the flow rate = 21 gpm and the Pipe ..
Write a hypothetical proposal to your hometown city council for a transition engineering project that would assess the adaptive capacity for gas and diesel fuel reduction in the event of another energy crisis (limit 1 page).
air expands through a nozzle from a chamber pressure and temperature of 300 psia and 1000 r respectively to an exit
Estimate the operating speed of the rotating machine and the number of balls in the bearing.
How can be determined the dynamic parameters of a second order system, wiht an Inertia (M), a dampening coeficient ( C ) and a Stiffness constant ( K).
If we want to determine the number of values of x that are greater than zero we can use code similar to the following x0=x ./abs(x); % converts the array elements to ±1
The report will beassessed on your ability to analyze, synthesize, and visualize technical information.See the assessment rubric on Blackboard for more information. After the project's completion, you will also evaluate each of your team members' ..
A rope ABCD is looped over two pipes as shown. Knowing that the coefficient of static friction is 0.25,
Assume that the level of water in the tank remains the same.- Determine The volumetric discharge rate from the nozzle; - The pressure and velocity at points A, B, C, and D.
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