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Question: A 13-kN tensile load will be applied to a 50-m length of steel wire with E. 200 GPa. Determine the smallest diameter wire that can be used. knowing that the normal stress rnust not exceed 150 MPa and that the Increase In length of the wire must not exceed 25 mm.
The srnallest diameter that can be used ____ mm.
An adiabatic and reversible air compressor takes air in at 15 psia, 560 R. The air exits at 90 psia at the rate of 0.8 lbm/s. Determine the minimum compressor work input and repeat for an inlet at 530 R instead. Why is the work less for a lower in..
The beam ABC of length L has two different moments of inertia (2I in AB, I in BC) and a constant elastic modulus E. It is fixed at point A has a roller support at point B and a load P at C. a. Sketch the deflected shape of this beam.
What is the aqueous phase CO2 concentration (mg/L) of a watersample that is not in equilibrium with the atmosphere and has a pH= 7.1, an alkalinity of 300 mg/L and a temperature of 25 degrees C?
Two parallel plates are separate at a distance of 2mm by a fluid. If a shearing stress of 150 Pa is developed at the upper plate when it is pulled at a velocity of 1m/s. Determine the viscosity of the fluid.
Calculate the specific surface of a cube (a) 10 mm, (a) 1 mm, (a) , and (d) 1 nm on a side. Calculate the specific surface in terms of areas
Explain why ceramic parts may distort or warp during drying. What precautions should be taken to avoid this situation?
A 1-gal jug of milk at 75 F is placed in your refrigerator, where it is cooled down to the refrigerator's inside temperature of 40 F. Assume the milk has the properties of liquid water and find the entropy generated in the cooling process.
Draw the shear force and bending moment diagrams for the beam, making sure to include values for the maximum positive and negative bending moments and their locations. Also determine the distance from the left hand end of the beam to the point whe..
Compute the nodal equivalent force vector that corresponds to the particular variation of the tractions - find the displacement of the midpoint of the rod shown in the Figure. Assume A=E=1 and body force per unit volume g=1. Discuss the solution.
Determine the acceleration α of the collar as a function of the vertical displacement x of the collar measured in feet from the point of release. Find the velocity v of the collar when x = 0.5 ft. Friction is negligible.
Consider the pressure-driven flow between stationary parallel plates separated by distance 2b. Coordinate y is measured from the channel centerline. The velocity field is given by u=u max(1-(y/b)^2).
A plate of aluminum is exposed to an atmosphere of Copper hydride,and on the other side of the plate, an atmospere that is deficientin copper hydride. If a steady state condition is achieved
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