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A 20 mm diameter shaft with a 6 mm diameter transverse hole is made of cold-drawn steel having Ultimate strength = 550 MPa and Yield strength = 462 MPa. Surfaces in the vicinity of the hole have a machined finish. Estimate the Safety Factor with respect to infinite fatigue life for (a) a torque fluctuating between 0 and 100 N.m, (b) a completely reversed torque of 50 N.m, and (c) a mean torque of 60 N.m plus a superimposed alternating torque of 40 N.m.
Estimate the infiltration flow rate if the window is partially open (assuming the window open area is 2 meter squared).
a spherical buoy has a diameter of 1.5 mnbspweighs 8.50 kn and is anchored to the sea floornbspwith a cable as is shown
Whats are examples of destructive tests and non destructive
The heat transfer convection coefficient between the wall and the fluid is 500 W/m2.K. Find the maximum temperature in wall.
Consider a NACA 0009 airfoil that has a plain flap whose length is 0.2c and which is deflected 25. a. Calculate cl and cmc/4 When the geometric angle of attack is 4 degrees, what is the section lift coefficient? Where is the center of pressure?
Assume they test null hypothesis H0: versus H1: Will the engineers decide to use the steel if H0 is rejected? Will the engineers decide to use the steel if H0 is not rejected?
what is the specific volume, internal energy (kj/kg) and enthalpy (kj/kg) for water at 1.8 mpa and 120 Degrees C? Locate the state on p-v diagram and document assumptions.
a concrete wall which has a surface area of 20 m2 and is 0.30 m thick separates conditioned room air from ambient air.
The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. What is the speed of the pump to achieve the service and backwash flow rates ?
what is the type of analog anti aliasing filter in DSA HP3566a? is that butterworth, chebyshev, inverse chebyshev or elliptic? and what order of that filter? thanks very much.
explain temperature change (not conversion) is calculated from Celcius to Fahrenheit to Kelvin.
fixed costfc 2000000 variable costvc 120.005q total costtc fc vc x q unit sales price p250nbspa determine the values
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