Textile Engineering > GATE 2016 > Textile Testing
Which of the following combination of statements from options A, B, C and D is correct?
1. X-ray Diffraction gives information about crystallinity and crystal size in semicrystalline polymers.
2. Differential Scanning Calorimetry gives information about $T_g$, $T_m$ and $T_c$ as well as enthalpy of melting and crystallization.
3. In Scanning Electron Microscopy the sample has to be coated with silver to make it conducting.
4. Birefringence is a measure of molecular orientation in amorphous phase only.
1. X-ray Diffraction gives information about crystallinity and crystal size in semicrystalline polymers.
2. Differential Scanning Calorimetry gives information about $T_g$, $T_m$ and $T_c$ as well as enthalpy of melting and crystallization.
3. In Scanning Electron Microscopy the sample has to be coated with silver to make it conducting.
4. Birefringence is a measure of molecular orientation in amorphous phase only.
Correct : a
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