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  3. 20 qi a part of the car body will be...

Question: 20 qi a part of the car body will be...

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20% QI) A part of the car body will be shaped fom a steel sheet under hydraulic press. One of the following steel sheets will be used for this application Which one would suit most for such an aplication? (a) A cold worked steel sheet with Yield Strength 960 MPa, UTS 1400 MPa (b) A hot worked steel sheet with Yield Strength=600MPa, UTS=900 MIPa (c) A hot worked steel sheet with Yield Strength -450MPa, UTS-800 MPa (c) A cold worked steel sheet with Yield Strength =1 100 MPa, UTS=1450 MPa (d) Using a Ni-Cr alloy would suit better Choice_would suit for this aaplication, because 20% (Q2) Why soft drinks like ice tea cannot be stored more than one year in PET bottles, when compared to glass bottles? Because 8% Q9.) I would use produce a food grade filter (Eg. filtering firuit juice). method and use type of material to 6% Q 6.) Borosilicate glasses are resistant to thermal shock. Why this is so? Explain in two sentences: Because 6% Q.11.) An alloy will be used as a screw to fix broken human bones, would you select (A) an age hardenable Al alloy (450 MPa) or (B) an age hardenable Ti alloy? I would use_ because 10% Q.10.) (a) You are given a steel with composition: 0.3%C-0.6%Mn-Ο.04%S. Is this an alloy steel? (b) You are also given a steel with 0.3%C+0.6%Mn+0.1%S. Compare the charpy impact toughness of this steel with that of given in (a). Which one is more tough? Why? 10% Q.3.) (a) You are given several Al alloys. Define them as I. Age-hardenable alloy, 2, Alloy for electrical conductivity application, 3) As cast alloy, 4.Cold worked Al-Mg alloy (a) Al for soft drink cans (b) 99.9% pure Aluminum (c) 2024 (Al-4%Cu alloy) (d) Aluminum for aircraft wing (e) Alloy wheel of cars

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