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A bar with a circular cross-sectional area is made of SAE 1045 carbon steel having a yield stress of σY = 150 ksi. If the bar is subjected to a torque of 30 kip . in. and a bending moment of 56 kip . in., determine the required diameter of the bar according to the maximum-distortion-energy theory. Use a factor of safety of 2 with respect to yielding.
In magnetic tape recording, the tape is subjected to tension while it is guided along its path. Tension in the tape causes elastic deformation that results in slight changes in length of the domains on which information is stored.
The coordinates for station A are 1023.34 N and 988.56 E. What are the northing and easting coordinates for station B that is located 40 feet due east of A, and 22.32 feet due south of A
the reliability is to be 95%, the overall standard deviation is 0.4, the drainage coefficient is 0.9, delta PSI is 1.7 ( with TSI of 2.5), and the load transfer coefficient is 3.2. the modulus of subgrade reaction is 200 lb/in^3.
The beam is fully restrained at both ends but is unbraced along its span. Determine the maximum magnitude of PQ that satisfies the ultimate strength limit state for flexural strength
An inventor claims to have invented an adiabatic steady-flow device with a single inlet-outlet that produces 100 kW when expanding 1 kg/s of air from 900 kPa and 300 degrees C to 100 kPa.
The principal plane stresses acting at a point are shown in the figure. If the material is machine steel having a yield stress of σY = 500 MPa, determine the factor of safety with respect to yielding if the maximum-shear-stress theory is considered.
For construction of an embankment, the soil is transported from a borrowed area using a truck which carries 5.5 m^3 of soil at a time, with the following details: For the Borrowed Pit: bulk unit weight= 16 KN/m^3
A thin plate of thickness t is bent to form the beam having the cross section shown. Determine the location of the shear center O .
question 1as an estimator in a construction firm you have been instructed to include only the costs relating to labour
The frame shown consists of four wooden members, ABC, DEF, BE, and CF. Knowing that each member has a 2 3 4-in. rectangular cross section and that each pin has a 12 -in. diameter, determine the maximum value of the average normal stress (a) in member..
Explain the terminologies 'short and long columns" Why the "cover to reinforcement and bar spacing" measurements are important in the design of structural elements.
A flood control project has a construction cost during the first year of $10 million, during the second year $6 million, and during the third year $2 million. It is completed at the end of the third year and thereafter incurs an annual operating c..
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