Polymer MCQs Engineering Chemistry
Why do we use the Fourier transform infrared spectroscopy?
(A). Â To study the Quantitative determination of the additives in polymers
(B). Â To study the Analysis of the structural imperfections on the surface
(C). Â To study the Curing and the degradation behavior of the cross-linked polymers
(D). Â To study the Determination of the volatilities of the plasticizers
(E). None of these
Multiple Choice Question Answer: Â c
The Atomic force microscopy comes under the category of which of the following?
(A). Â Thermal analysis
(B). Â Morphological analysis
(C). Â Mechanical testing
(D). Â Spectral analysis
(E). None of these
Multiple Choice Question Answer: Â b
The technique that is used for measuring the number of conjugated double bonds and aromatic conjugation within the various molecules is __________
(A). Fourier transform infrared
(B). Â Differential scanning calorimetry
(C). Â U/V Visible spectroscopy
(D). Â Thermo gravimetric analysis
(E). None of these
Multiple Choice Question Answer:Â c
Useful the for determination of volatilities of plasticizers and other additives is ________
(A). Â Scanning electron microscopy
(B). Â Differential scanning calorimetry
(C). Â Atomic force microscopy
(D). Â Thermo gravimetric analysis
(E). None of these
Multiple Choice Question Answer: Â d
The Differential scanning calorimetry is useful for determining which of the following?
(A). Â Melting temperature, glass transition temperature, the heat of fusion, etc
(B). Â Volatilities of plasticizers and other additives
(C). Â Quantitative determination of additives in polymers
(D). Â Structural imperfections
(E). None of these
Multiple Choice Question Answer: Â a
We use ________ as a criterion in quality control
(A). Â X-ray diffraction
(B). Â Mechanical testing
(C). Â Wetting properties
(D). Â Spectral analysis
(E). None of these
Multiple Choice Question Answer: Â b
How The study of fracture surfaces of polymeric material is done?
(A). Â By using Atomic force microscopy
(B). Â By using the X-ray diffraction
(C). Â By using the Thermo gravimetric analysis
(D). Â By using the Scanning electron microscopy
(E). None of these
Multiple Choice Question Answer: Â d
The Differential scanning calorimetry comes under the category of which of the following?
(A). Spectral analysis
(B). Â Morphological analysis
(C). Â Thermal analysis
(D). Â Geological analysis
(E). None of these
Multiple Choice Question Answer:Â c
A hydrophobic surface with low free surface energy gives which of the following with water?
(A). Â High contact angle
(B). Â Zero contact angle
(C). Â Low contact angle
(D). Â Extremely low contact angle
(E). None of these
Multiple Choice Question Answer: Â a
We can always obtain the index of crystallinity from the ratio of the integrated intensity of the crystalline peaks to the total area under the XRD curve.
(A). Â True
(B). Â False
(E). None of these
Multiple Choice Question Answer:Â a
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