Carbon nano tube are____ time stronger than Steel

Low carbon steel 31.6 43.1 32.6 30.9 31.6 33.96 4.6 High carbon steel 39.3 41.3 40.3 40.5 41.3 40.54 0.67 Based on your results, describe how carbon content influences the hardness of steels. Explain why?

Which of the following statements about carbon nanotubes is true?Question 2Answera.They are primarily used in bulk manufacturing of composites. b.They have poor electrical conductivity. c.The structure resembles to graphene sheets rolled into a cylindrical shape.d.They are not suitable for biomedical applications. e.They are two-dimensional materials.

Carbon sitting in the octahedral void in FCC-iron is an example of……………

Which of the following is the most ductile metal?AluminiumCopperIronGold

Question 5Carbon nanotubes (in air) have the ability to sustain temperature as high as: