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What is the standard deviation of the following data set:
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The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
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Fluids at rest possess no flow energy. a)- true b)- false
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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What is the standard deviation of the following data set:...
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