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1.
Which materials can be used to manufacture elastomers?
2.
What is the byproduct formed by the condensation of methyl alcohol and acetic acid to form ester?
3.
Which among the following rubbers are used for automobile tyres?
4.
Which of the following statements is true?
5.
Which type of composite materials the sandwich panels are?
6.
When are the slip lines observed?
7.
Which among the following is known as Schmid's factor?
8.
What is meant by Frenkel defect?
9.
Why are internal stresses not produced in hot working process?
10.
Which of the following statements is/are true for cold working process?
1. Cold working process does not provide good surface finish
2. Cold working process produces internal stress in a metal
3. Fatigue strength of metals can be improved
4. Cold working process cannot take place below recrystallization temperature
1. Cold working process does not provide good surface finish
2. Cold working process produces internal stress in a metal
3. Fatigue strength of metals can be improved
4. Cold working process cannot take place below recrystallization temperature