Engineering Materials
Which is false statement about normalizing? Normalizing is done to

Reduce segregation in casting
Refine grain structure
Induce stresses
Improve mechanical properties

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Engineering Materials
Stress relaxation is the phenomenon

In which stress remains constant on increasing load
In which parts are not loaded
In which deformation tends to loosen the joint and produces a stress reduced
Stress reduces on increasing load

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Engineering Materials
The charge of the blast furnace consists of

Calcined ore, coke and limestone all in equal parts
Calcined ore (1 part), coke (8 parts) and limestone (4 parts)
Calcined ore (4 parts), coke (1 part) and limestone (8 parts)
Calcined ore (8 parts), coke (4 parts) and limestone (1 part)

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