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This is a research assignment to produce a short technical report (apprpximately between 1000-2000 words plus diagrams and figures) with an appropriate referencing list and citations following APA styling. One has chosen research on the following topic "Aluminium Casting Alloys" from the list provided in the attached file, the information must be gathered from newspapers, technical journal, a web site and a book. You can look at the references in Wikipedia but must not use wikipedia as a reference. The focus of the report must be on the essential engineering properties of the material selected, the engineering requirements and/or the implications for its use and how it is used. Discussion must include the source of the materials involved (raw materials), how it is produced, fabricated and recycled, why it is essential or preferable for a specific use or uses, a brief economic consideration and what is the national and/or regional significance of the material or technology. The skill is to utilise a potentially large amount of information from different sources and produce a concise technical report. I have attached the assignment sheet provided by the course coordinator for your reference. If you have any question regarding the assignment please let me know and how long will the assignment take to be done?
The excess charge in a certain medium decreases to one-third its initial value in 20s. (a) If the conductivity of the medium is10^(4)S/m, what is the dielectric constant of the medium(b) What is the relaxation time
Consider a cylindrical cavity of diameter D=100 mm and depth L=50 mm whose sidewall and bottom are diffuse and gray with an emissivity of .6 and are at a uniform temperature of 1500 K. The top of the cavity is open and exposed to surrounding that ..
Given a two's complement, fixed point number with 8-bits of integer and 8-bits of fraction: A. What is the largest (most positive) number you can represent B. What is the most negative number you can represent
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Water at 32.0 °C is sprayed onto 0.127 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used
A 9 GHz parallel polarized wave with an amplitude of 20 V/m is obliquely incident from air (z 0). Theta_i equals a 60-degree angle of incidence.
A series connected DC motor has R_F + R_A = 11.5 ohm and draws 1 A of current from a DC voltage source with V_T = 18 V while running at 1000 rpm. What is the speed and developed torque when drawing 0.75 A of current
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An infinitly long line charge (ρl = 2lπ nC/m)lies along the z-axis. An infinite area sheet charge(ρs= 3 nC/m2 lies in the x-z planeat y = 10m. Find a point on the y-axis where the electric field intensity is zero.
a) A delta-connected three-phase source has a phase voltage of 220 V. It feeds a delta-connected load consisting of three identical impedances of 10/42° O each. Find the magnitude of the phase current in the load, the line current
On a logarithmic vertical axis from 1ohm to 1Gohm, and a logarithmic horizontal axis from 1rad/sec to 10^9 rad/sec, sketch the following: a) A 1 kOhm resistor and a 1 mH inductor in parallel and (separate curve) in series.
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