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Stainless steel 430 alloy tube loses 9.18 grams during 1,600 hours exposure to an aerated seawater solution:
a. Write the anodic and cathodic reactions for this case.
b. If the surface area of sample is 410 inch", what is corrosion rate in mpy?
c. What is the equivalent current flowing due to corrosion?
d. If the maximum permissible corrosion rate is 1.0 mpy in this environment, is this a safe design?
The bar is fixed at B (length=2a) with a pin support at A (length L=0). Additionally, at A is a torsion spring (spring constant Ca = EI/a) and an extension spring is attached at B (spring constant Cb = EI/(a^3)).
What is the pressure P2? What is the net entropy change for the overall process?
Similar to Problem 27.17, except xa = -52.53 mm, ya = 69.67 mm, xb = 26.30 mm, yb = -59.29 mm, line length AB = 4706 ft, and elevations of points A and B are 925 and 875 ft, respectively.
How much money will dave accumulate in his savings account at the end of 5 years if he makes monthly deposits of $50 begining one month from now. The annual nominal interest rate is 9%
Orthographic drawings that show one side of a building, building's interior, or exterior
problem 1. a single-storey factory is composed of a number of steel truss structures as shown in the following figure.
A cylindrical core, completely saturated with oil up to immobile water saturation, is immersed in water and the measured volume of oil displaced by imbibition of water is 7.5 c.c.
The city has a stable population of 235,000 residents and the design criteria for the new landfill are as follows: MSW generation rate = 4.0 lb/(person-day); density of the compacted MSW in the landfill is 775 lb/yd3
Outflow of water occurs from a cylindrical tank with a hole at the bottom. Find the height of the water in the tank at any time if the tank has a diameter 2 m, the hole has diameter 1 cm, and the initial height of the water when the hole is opened..
An electrostatic precipitator for a coal-fired power plant has an overall particulate recovery of 95%. The company engineer decides that this is too good, that it is not necessary to be this efficient
All the silt is saturated even after the water table is lowered. (In this problem, treat the unit weight above the water table as bulk unit weight and the unit weight below the water table as saturated unit weight.)
The length of a reading room in a library is 10 m and its breadth is 8 m. Compute the distributed live load, assuming the basic value of the load to be 2873 N/m2.
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