Material used in engine block casting In order to meet the above functional requirements the material used for manufacturing the product should contain many properties. They are‚ the material should contain high strength‚ modulus of elasticity‚ wear resistance‚ ability to withstand vibrations‚ and corrosion resistance. High strength is mostly concerned in diesel engines because of their high compression ratios compared with petrol engines. In diesel engine its compression ratios are normally 17:1
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➢ Characteristics: • Liza Asnan She is a good and loving child that aims to finish her studies and to have a school allowance through searching for tin cans‚ bottles‚ plastics or anything that can be sold at Junkshop. Through this‚ she is able to go to school. She is also a kind person for she never fights back to those people who tease her. • Jiboy Ruiz Like Liza Asnan‚ he also sells tin cans‚ plastics‚ and bottles for himself and
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Printing Final Cutting Dry film Stripping Etching Tin Stripping Q.C. Mechanical Operation * Sheet Cutting :- Measure the size of PCB from film or Artwork. L W Panel Sz. * Board Area PCB Sz. Boarder Area * Laminates or Copper Sheet :1. Glass Epoxy 2. Paper fenolic 3.Teflon 4. Ceramick (CEM) * Glass Epoxy :- Thickness S/S 1.6 35/0 Cu Thickness Insulating Material thickness D/S 0.8-18/18 1.6-18/18
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seen from the points where the lines change slope in Figure l(a). Table 1. Corrosion Reactions with N o Hydrogen Evolution Examples Mplecular complexmg agent Zinc in dilute acetic acid Iron in dilute HCI Copper in aqueous PITH3 Cop er in aqueous et&lenediamine Copper‚ silver‚ and rold in CN-solution Acid Corrosion With N o Hydrogen Evolution Three groups of reactions of this type can he identified. These are shown in Table 1‚ and the kinetics of these processes are plotted
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For this ring she used silver plated green. Silver is a beautiful‚ soft‚ white‚ lustrous metal thats strong‚ malleable and ductile. It is because of this materials softness that it must be alloyed with base metals like copper‚ as in the case of sterling silver (92.5% silver‚ 7.5% copper). If she’s producing a collection‚ Sceats usually get her ideas from different places around the world or a specific adventure she’s had. She states that her favourite part of the design process is picking which stone
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Metals in Solid Form 1. Aluminum 2. Iron 3. Zinc 4. Magnesium 5. Zinc 6. Aluminum 7. Copper 8. Tin 9. Lead 10. Iron Metals in Solution 1. CuCl2 2. MgCl2 3. Pb(NO3)2 4. Ni(NO3)2 5. Ca(NO3)2 6. SnCl2 7. Ag(NO3) 8. Pb(NO3)2 9. ZnCl2 10. Cu(SO4) Observations & Analysis: Metals & Solutions Prior to Reaction Post Reaction Analysis Aluminum & Copper (II) Chloride -Blue translucent liquid -Small silver ball -Grew ten times original size
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Centre Number Surname Other Names Candidate Signature Candidate Number For Examiner’s Use Examiner’s Initials Question Mark General Certificate of Secondary Education Higher Tier January 2012 1 2 3 4 5 TOTAL Science B Unit Chemistry C1 CHY1H Chemistry Written Paper Unit Chemistry C1 H Thursday 26 January 2012 You will need no other materials. You may use a calculator. 9.00 am to 9.45 am Time allowed 45 minutes Instructions Use black ink or black
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reactant between Aluminum and Copper (ll) Chloride. Using stoichiometry‚ we were able to make predictions. Through the reaction 2Al + 2CuCl₂ → 3Cu + 2AlCl₃ we carried out this experiment and determined that the limiting reactant was CuCl₂ and that the aluminum was in excess. We also determined the percentage yield of copper. Purpose: The purpose of this experiment was to determine the limiting reactant and percentage yield of the reaction that took place between Copper (ll) Chloride and Aluminum.
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electricity and being in the modern times‚ we can’t live without cell phones and how does we able to charge the battery if there’s no supply of electricity. The researcher used scrap materials that can be easily found. They used copper and iron plate‚ some adhesives copper wires and the normal traveling charger to construct the device. This device would be attached to the normal traveling charger. The researchers used two tests to prove if the device is working or not. First is they measured the current
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naturally occurring material in or on the earth’s crust that can be extracted and processed at an affordable cost. Non-renewable resources are mineral and energy resources such as coal‚ oil‚ gold‚ and copper that take a long period of time to produce. * Metallic Mineral Resources – iron‚ copper‚ aluminum * Nonmetallic Mineral Resources – salt‚ gypsum‚ clay‚ sand‚ phosphates‚ water and soil. * Energy resource: coal‚ oil‚ natural gas and uranium * Identified Resources – deposits of
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