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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 1
1.
Specify the sequence correctly
Grain growth, recrystallisation, stress relief
Stress relief, grain growth, recrystallisation
Stress relief, recrystallisation, grain growth
Grain growth, stress relief, recrystallisation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Thermoplastic materials are those materials which
are formed into shape under heat and pressure and results in a permanently hard product
do not become hard with the application of heat and pressure and no chemical change occurs
are flexible and can withstand considerable wear under suitable conditions
are used as a friction lining for clutches and brakes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Which of the following material has maximum ductility?
Mild steel
Copper
Nickel
Aluminium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
An eutectoid steel consists of
wholly pearlite
wholly austenite
pearlite and ferrite
pearlite and cementite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Shock resisting steels should have
low wear resistance
low hardness
low tensile strength
toughness
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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