Engineering Chemistry Questions and Answers – Characterisation of Polymer Samples

This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Characterisation of Polymer Samples”.

1. Which of the following technique is used to measure the number of conjugated double bonds and aromatic conjugation within the various molecules?
a) Fourier transform infrared
b) Differential scanning calorimetry
c) U/V Visible spectroscopy
d) Thermo gravimetric analysis
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2. Fourier transform infrared spectroscopy is used to study ____________
a) Quantitative determination of additives in polymers
b) Curing and degradation behaviour of cross-linked polymers
c) Determination of volatilities of plasticizers
d) Analysis of structural imperfections on the surface
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3. Atomic force microscopy comes under the category of ____________
a) Spectral analysis
b) Thermal analysis
c) Mechanical testing
d) Morphological analysis
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4. Which of the following is useful for determination of volatilities of plasticizers and other additives?
a) Thermo gravimetric analysis
b) Differential scanning calorimetry
c) Scanning electron microscopy
d) Atomic force microscopy
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5. Differential scanning calorimetry is useful for determining the ____________
a) Melting temperature, glass transition temperature, heat of fusion etc
b) Volatilities of plasticizers and other additives
c) Quantitative determination of additives in polymers
d) Structural imperfections
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6. Differential scanning calorimetry comes under the category of ____________
a) Spectral analysis
b) Morphological analysis
c) Thermal analysis
d) Geological analysis
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7. Which of the following is used as a criterion in quality control?
a) X-ray diffraction
b) Mechanical testing
c) Wetting properties
d) Spectral analysis
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8. The study of fracture surfaces of polymeric material is done using ____________
a) Atomic force microscopy
b) X-ray diffraction
c) Thermo gravimetric analysis
d) Scanning electron microscopy
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9. A hydrophobic surface with low free surface energy gives a ____________ with water.
a) Low contact angle
b) High contact angle
c) Zero contact angle
d) Extremely low contact angle
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10. An index of crystallinity can be obtained from the ratio of the integrated intensity of the crystalline peaks to the total area under the XRD curve.
a) True
b) False
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Sanfoundry Global Education & Learning Series – Engineering Chemistry.

To practice all areas of Engineering Chemistry, here is complete set of 1000+ Multiple Choice Questions and Answers.

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