1.Why plastic beams are not used to construct buildings and
bridges?List THREE properties that make
plastics unsuitable...
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Mechanical Engineering
1.Why plastic beams are not used to construct buildings andbridges?List THREE properties that make
plastics unsuitable for this application?
2.How a temperature drop of 50 C below 0 C would affectpolythene bottle? Explain.
3.What type of bonding explains function of adhesives?
4.Can ceramic materials be used as material for the beams? Ifnot, explain why? List properties that make
them unsuitable for this application?
Answer & Explanation
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4.2 Ratings (795 Votes)
1 plastic beams are not used for structural applications because they are soft and ductile Whenever the load applies these plastic beams fractures because of their low fracture toughness low strength Low fracture
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