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MCQs

Total Questions : 55 | Page 2 of 6 pages
Question 11. Detailed information about only crystalline regions of fibre is given by
  1.    diffraction
  2.    x-ray diffraction
  3.    gamma diffraction
  4.    beta diffraction
 Discuss Question
Answer: Option B. -> x-ray diffraction
Answer: (b).x-ray diffraction
Question 12. Bands other than absorption band are characteristics of
  1.    non crystalline nature
  2.    polarized nature
  3.    chain fold
  4.    non polarized nature
 Discuss Question
Answer: Option C. -> chain fold
Answer: (c).chain fold
Question 13. Fundamental oscillations occurring at low wavenumbers give
  1.    weak absorptions
  2.    strong absorptions
  3.    negligible absorptions
  4.    moderate absorptions
 Discuss Question
Answer: Option B. -> strong absorptions
Answer: (b).strong absorptions
Question 14. In shorter chain paraffin hydrocarbons, only one component is present in
  1.    crystalline state
  2.    gas state
  3.    liquid state
  4.    solid state
 Discuss Question
Answer: Option C. -> liquid state
Answer: (c).liquid state
Question 15. Identification of presence of certain groups in a molecule is aided by use of
  1.    absorption
  2.    infrared absorption
  3.    molecule absorption
  4.    heat absorption
 Discuss Question
Answer: Option B. -> infrared absorption
Answer: (b).infrared absorption
Question 16. Molecular information cannot be obtained from
  1.    scattering
  2.    elastic scattering
  3.    light scattering
  4.    moderate scattering
 Discuss Question
Answer: Option B. -> elastic scattering
Answer: (b).elastic scattering
Question 17. Absorption bands in infrared spectrum of nylon are characteristics of
  1.    crystalline nature
  2.    non crystalline nature
  3.    polarized nature
  4.    non polarized nature
 Discuss Question
Answer: Option A. -> crystalline nature
Answer: (a).crystalline nature
Question 18. Polarized infrared is also used to find direction in which a particular group points in
  1.    atom
  2.    ion
  3.    molecule
  4.    compound
 Discuss Question
Answer: Option C. -> molecule
Answer: (c).molecule
Question 19. Technique in which material is exposed to vapors of heavy water is applied to
  1.    viscose rayon
  2.    viscose
  3.    forms of cellulose
  4.    both a and c
 Discuss Question
Answer: Option D. -> both a and c
Answer: (d).both a and c
Question 20. Raman spectroscopy has become an important tool for studying fibre structure because of the
  1.    Raman spectroscope
  2.    Raman microscope
  3.    Raman machine
  4.    Raman electroscope
 Discuss Question
Answer: Option B. -> Raman microscope
Answer: (b).Raman microscope

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