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Mechanical Engineering - Engineering Materials

Exercise : Engineering Materials - Section 6
21.
The malleability is the property of a material by virtue of which a material
regains its shape and size after the removal of external forces
retains the deformation produced under load permanently
can be drawn into wires with the application of a tensile force
can be rolled or hammered into thin sheets
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following statement is wrong?
The spheroidising process is usually applied to high carbon tool steels which are difficult to machine
In spheroidising process, the cementite in the granular form is produced in the structure of steel
The annealing process causes complete recrystallisation in steels which have been severely cold worked and a new grain structure is formed
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Duplex process of steel making is a combination of
basic bessemer and acid open hearth processes
acid bessemer and basic open hearth processes
acid bessemer and acid open hearth processes
basic bessemer and basic open hearth processes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In corrosion resistant properties, bronzes are __________ to brasses.
superior
inferior
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Steel containing 0.8 to 1.5% carbon, is known as
mild steel
dead mild steel
medium carbon steel
high carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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