UNIVERSITI MALAYSIA PERLIS PUSAT PENGAJIAN KEJURUTERAAN MEKATRONIK School of Mechatronics Engineering Assignment Material Engineering ENT 145 Name: Ahmad Huzaifah Bin Azahari No. Matrik: 121110055 Course: Mechanical QUESTION 1 DESCRIBE CHARACTHERISTICS OF (a) AN ALLOY (b) PEARLITE (c) AUSTENITE (d) MARTENSITE (e) CEMENTITE (f) SPHERODITE AND (g) TEMPERED MARTENSITE. (a)ALLOY • Alloy steel is often subdivided into two groups: high alloy steels and low alloy steels
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Case Summary: Between 1966 and 1975‚ Orkin Exterminating Company contracted with their customers a “lifetime” termite protection control if the contracted customers continue to pay the annual renewal fee. But‚ this contract became too expensive for Orkin when US suffered price inflation. It decided to increase annual renewal fee by 40 Percent. Few persistent customers were able to escape the rate increase through an accommodation plan‚ while most customers were not informed about this possibility
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LINEAR PROGRAMMING FORMULATION PROBLEMS AND SOLUTIONS 7-14 The Electrocomp Corporation manufactures two electrical products: air conditioners and large fans. The assembly process for each is similar in that both require a certain amount of wiring and drilling. Each air conditioner takes 3 hours of wiring and 2 hours of drilling. Each fan must go through 2 hours of wiring and 1 hour of drilling. During the next production period‚ 240 hours of wiring time are available and up to 140 hours of drilling
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Rhodes Rhodes is a suburb that is located 16 km west of the Sydney CBD. It is the local government area of Canada Bay (merged council of Drummoyne and Concord). As you can see from the map‚ Rhodes lies on a peninsula on the southern bank of Parramatta River. The district can be categorized in 3 different sections due to its different characteristics. Eastern side- East of Concord Road is mainly residential areas and parklands that are situated in front of Parramatta River. Central- Between Concord
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Machining processes ECM Electrochemical machining (ECM) is a method of removing metal by an electrochemical process. It is normally used for mass production and is used for working extremely hard materials or materials that are difficult to machine using conventional methods.[1] Its use is limited to electrically conductive materials. ECM can cut small or odd-shaped angles‚ intricate contours or cavities in hardened exotic metals‚ such as titanium aluminised‚ Inconel‚ Waspalloy‚ and high nickel
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Global Economy and the Environment As the global economy gets integrated‚ national or local corporations will gradually transform in to a multinational corporation (MNC). When this type of development occurs‚ the host countries are usually the ones that become the immediate stake holders. This is because when a MNC sets its foot into a host country‚ there are economic‚ political‚ social and environmental impacts that result from their corporate actions. In many cases‚ it is certainly
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This is the most powerful hand held beveller in the market. It utilizes a milling type cutter head‚ and standard 5/8ʺ square carbide inserts. The carbide inserts can be indexed four times‚ and can also be replaced easily. A variable angle machine‚ the tool can be adjusted from 15 to 45o. Also‚ the bevel can be adjusted up to 1-3/16ʺ. The weight of the tool is always on the bevel. Hence‚
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alkenes. • The minimum number of carbons required to exhibit chain isomerism by an alkyne is five. Preparation of Acetylene or ethyne : 1. Industrial method : By the hydrolysis of calcium carbide CaC2 + 2H2O → HC ≡ CH + Ca(OH)2 C C H − OH H − OH C −H C −H • Ca 2. |||+ → ||| + Ca(OH)2 Even‚ other carbides like‚ MgC2‚ SrC2‚ BaC2 on hydrolysis will give acetylene. By the dehydrohalogenation of gem or vicinal dihalides. alc KOH i) CH2 − CH2 + KOH ⎯⎯⎯→ CH2 = CH − Br ⎯⎯.⎯⎯→ CH ≡ CH − HBr
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abrasive grains called grits‚ which perform the cutting or material removal‚ held in the weak bonding matrix. A grinding wheel commonly identified by the type of the abrasive material used. The conventional wheels include aluminium oxide and silicon carbide wheels while diamond and cBN (cubic boron nitride) wheels fall in the category of superabrasive wheel. 28.1 Specification of grinding wheel A grinding wheel requires two types of specification (a) Geometrical specification (b) Compositional specification
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properties of the formed acetylene such as the reaction of the acetylene as it undergo Ammoniacal silver nitrate test‚ Bromination and oxidation. The reagents that were used to perform this experiment were benzene‚ cyclohexane‚ concentrated H2SO4‚ Calcium Carbide‚ 1.0 M Br2 in CCl4‚ cyclohexane‚ and 1.0 M KMnO4. The apparatuses that were used are micro test tubes‚ 2.0 mL pipet‚ iron clamp‚ 8-in test tube‚ evaporating dish‚ water trough‚ small corks‚ and iron stand. To group were able to meet the objectives
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