(A) (SI units) A sheet metal steel part with surface area = 185 cm2 is to...
(A) (SI units) A sheet metal steel part with surface area = 185 cm2 is to be zinc plated. What average plating thickness will result if 15 amps are applied for 10 minutes in a chloride electrolyte solution?
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(A) (SI units) A sheet metal steel part with surface area = 185
cm2 is to...
(A) (SI units) In an ECM operation the frontal working area of the electrode is 1555...
(A) (SI units) In an ECM operation the frontal working area of the electrode is 1555 mm2. Applied current = 1200 amps and voltage = 12 volts. The material being cut is nickel (valence = 2). Consult Table 25.1 for the specific removal rate of nickel. (a) If the process is 90% efficient, determine the rate of metal removal in mm3/min. (b) If the resistivity of the electrolyte = 150 ohm-mm, determine the working gap.
A steel sheet with dimensions LxWxH = 50 mm x 10 mm x 2 mm is...
A steel sheet with dimensions LxWxH = 50 mm x 10 mm x 2 mm is to be coated with a thin layer of nickel using electroplating. The sheet is entirely submerged in the electrolytic bath for 15 mins. If the process operates at a current of 80 amps, determine the average plating thickness. Which electrode should the steel sheet act as?
1. You have a sheet of carbon steel with a thickness of 1 mm, a length...
1. You have a sheet of carbon steel with a thickness of 1 mm, a length of 300 mm, and width of 150 mm. You are testing it in a furnace that is flowing hot air over the sheet at 3 m/s at T 1 300 K along the length of the metal. The carbon steel is initially at 300k and has the following properties p 7850 R/ C 430 //kok, and R, 1490 W/mK. The carbon steel is sitting...
A wood beam (1) is reinforced on its lower surface by a steel plate (2) as...
A wood beam (1) is reinforced on its lower surface by a steel
plate (2) as shown in the figure. Dimensions of the cross section
are b 1 = 220 mm , d = 385 mm , b 2 = 190 mm , and t = 25 mm . The
elastic moduli of the wood and steel are E 1 = 12.5 GPa and E 2 =
200 GPa , respectively. The allowable bending stresses of the wood
and steel...
Questions Suppose the fractional efficiency of a metal surface with work function 1.87 eV is 1.0...
Questions Suppose the fractional efficiency of a metal surface with work function 1.87 eV is 1.0 x 10-15, that is, on average one electron is ejected for every 10 photons that reach the surface. What would be the current of electrons ejected from such a surface if it were illuminated with 513 nm light from a 2.39 mW laser and all the ejected electrons took part in the charge flow? Number Units the tolerance is +/-5% SHOW HINT LINK TO...
Auge Steel Framing Details 1. Complete all light g auge steel componente ir the following wall se...
auge Steel Framing Details 1. Complete all light g auge steel componente ir the following wall section, including floor joists, wall studs, roof rafters, and required clips angles, stiffeners, and fasteners. Label all components. Roof sheathing Wall sheathing 。 Interior wallboard Subflooring Foundation 103 Scale: l square =2" (50 mm) Name: necessity of cutting holes in m on the construction ste 12.11. 12.15). Thack etions a sed for top and bottom plates, e construction, shemperature that col tural shapes. Prers...
11 Review Review Part A - Stress-concentration factor due to notches on the surface at point...
11 Review Review Part A - Stress-concentration factor due to notches on the surface at point B Learning Goal: To determine the stress-concentration factors in a notched member with a nonuniform cross section that is subjected to a bending moment. The member ABCD shown below (Figure 1) is subjected to a bending moment. The member has a thickness of t = 30 mm, a full height of w = 35 mm, and a reduced height in two cross-sectional areas of...
Prelab questions 1,2, and 3 and Part E questions Also, write a flowchart of the experiments...
Prelab questions 1,2, and 3 and Part E questions Also, write a flowchart of the experiments process in each part. EXPERIMENT 3 DETERMINATION OF Δo The d orbitals of a metal ion in an octahedral ligand or crystal field are split into a higher energyset (eg) and a lower energy set (t2g) as shown in the following energy level diagram. 11 The energy difference between the upper and lower energy levels is Δo, the octahedral crystal field splitting. The degree...
Jefferson Steel requires $15 million to fund its current year’s capital projects. Jefferson will finance part...
Jefferson Steel requires $15 million to fund its current year’s
capital projects. Jefferson will finance part of its needs with
equity. The firm’s common stock is selling in the market at $180
per share. Dividends of $1 per share were recently paid (Do).
Dividend growth of 6 percent per year is expected for the
foreseeable future. The market is currently demanding a 6 percent
premium on the average risk stock and Tbonds are currently yielding
3%. Preferred stock is selling...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
1. You have a sheet of carbon steel with a thickness of 1 mm, a length of 300 mm, and width of 150 mm. You are testing it in a furnace that is flowing hot air over the sheet at 3 m/s at T 1 300 K along the length of the metal. The carbon steel is initially at 300k and has the following properties p 7850 R/ C 430 //kok, and R, 1490 W/mK. The carbon steel is sitting...
A wood beam (1) is reinforced on its lower surface by a steel
plate (2) as shown in the figure. Dimensions of the cross section
are b 1 = 220 mm , d = 385 mm , b 2 = 190 mm , and t = 25 mm . The
elastic moduli of the wood and steel are E 1 = 12.5 GPa and E 2 =
200 GPa , respectively. The allowable bending stresses of the wood
and steel...
Questions Suppose the fractional efficiency of a metal surface with work function 1.87 eV is 1.0 x 10-15, that is, on average one electron is ejected for every 10 photons that reach the surface. What would be the current of electrons ejected from such a surface if it were illuminated with 513 nm light from a 2.39 mW laser and all the ejected electrons took part in the charge flow? Number Units the tolerance is +/-5% SHOW HINT LINK TO...
auge Steel Framing Details 1. Complete all light g auge steel componente ir the following wall section, including floor joists, wall studs, roof rafters, and required clips angles, stiffeners, and fasteners. Label all components. Roof sheathing Wall sheathing 。 Interior wallboard Subflooring Foundation 103 Scale: l square =2" (50 mm) Name: necessity of cutting holes in m on the construction ste 12.11. 12.15). Thack etions a sed for top and bottom plates, e construction, shemperature that col tural shapes. Prers...
11 Review Review Part A - Stress-concentration factor due to notches on the surface at point B Learning Goal: To determine the stress-concentration factors in a notched member with a nonuniform cross section that is subjected to a bending moment. The member ABCD shown below (Figure 1) is subjected to a bending moment. The member has a thickness of t = 30 mm, a full height of w = 35 mm, and a reduced height in two cross-sectional areas of...
Jefferson Steel requires $15 million to fund its current year’s
capital projects. Jefferson will finance part of its needs with
equity. The firm’s common stock is selling in the market at $180
per share. Dividends of $1 per share were recently paid (Do).
Dividend growth of 6 percent per year is expected for the
foreseeable future. The market is currently demanding a 6 percent
premium on the average risk stock and Tbonds are currently yielding
3%. Preferred stock is selling...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
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