Q. A second generation of high performance fibers are mostly

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Q. Individual fibers length/width ratio is atleast

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Q. Number of types polymers have is

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Q. Elastomeric fibers require

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Q. Ordinary textile fibers must be elastic upto breaking extensions between

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Q. Materials that meet extensibility criteria are

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Q. Weak forces between each molecule of material is called as

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Q. Light atoms are attracted towards each other with

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Q. If molecules are heavy and attractive forces are strong then material would be

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Q. Water is liquid with limited equilibrium with water vapors at

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Q. If flexibility is in main chain covalent bonds and weak bonding between long chain molecules, then thermal energy can cause chain to take up a

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Q. At ordinary temperatures, hydrogen bonds are in a

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Q. In linear polymers, linking is in

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Q. Fibre physics is a study about fibre

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Q. Hard materials are made up of

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Q. Molecular arrangement determines material's

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Q. Hydrogen bond in water are strong enough to hold molecules as a crystalline solid at

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Q. Graphite easily splits up because of

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Q. Hydrogen bond is formed when electrons are shared by outer rings of

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Q. For material with rubbery state, at low temperature or stronger bonding material is a

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