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Gas with an initial volume of 0.36 m3 is slowly compressed to a final volume of 0.16 m3 by a process during which the pressure changes with volume according to the relation P = aV + b, where a = -1100 kPa/m3 and b = 500 kPa. Determine the work done during the process (a) by plotting the process on a P-V diagram and finding the area under the process curve and (b) by performing the necessary integration.
two identical cars a and b are at rest on a loading dock with brakes released. car c of a slightly different style but
An 8-kg plunger is released from rest in the position shown and is stopped by two nested springs; the constant of the outer spring is k1 = 4 kN/m and the constant of the inner spring is k2 = 12 kN/m. If the plunger is released from the height
Subject a piece of steel to a case hardening process in which carbon is forced by diffusion through a layer on the surface of the piece. For this purpose, the piece of steel will be placed in a carbon-rich atmosphere in a special furnace.
calculate the energy for vacancy formation in al given that the equilibrium number of vacancies at room temperature 25
A 20-mm diameter rod made of a ductile material with a yield strength of 350 MPa is subjected to torque of 100 N.m and a bending moment of 150 N.m. An axial force is then gradually applied. Determine the value of force when the rod begins to yield..
Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
Using constant specific heat method
Calculate reactions of a simply supported continuous beam. A beam is simply supported at the ends and is continuous over two spans.
a 9 m3 tank has two sections separated by a membrane both of which contain nitrogen gas. the nitrogen in section a has
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
Consider a metal single crystal oriented such that the normal to the slip plane and the slip direction are at angles of 43.1
two machines are used for filling glass bottles with a soft-drink beverage. the filling process have known standard
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