In a semiconductor strain gauge pressure sensor, the output is zero volts when no pressure is detected.
Answer the following statement true (T) or false (F)
True
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PROBLEM 3.83 A 1.5-m-long tubular steel shaft of 38-mm outer diameter d1 is to be made of a steel for which ?all ? 65 MPa and G ? 77.2 GPa. Knowing that the angle of twist must not exceed 4° when the shaft is subjected to a torque of 600 N ? m, determine the largest inner diameter d2 that can be specified in the design.
An injection molding system has a first cost of $180,000, and an annual operating cost of $84,000 in years 1 and 2, increasing by $5000 per year thereafter. The salvage value of the system is 25% of the first cost regardless of when the system is retired within its maximum useful life of 5 years. Using a MARR of 15% per year, determine the ESL and the respective AW value of the system (a) by hand solution, and (b) via spreadsheet that graphs the total AW and its components.
What will be an ideal response?
For the three-hinged arch shown in Figure P6.22, compute the reactions at A and C. Determine the axial force, shear, and moment at D.
If a 5,000,000 circular mil cable is composed of 37 strands of copper wire of equal size. What is the approximate diameter of one strand? Carry the answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).