The molecules in a solid move

Engineering Materials
The molecules in a solid move

Back and forth like tiny pendulums

In circular motion

In a random manner

In a haphazard way

Back and forth like tiny pendulums

In circular motion

In a random manner

In a haphazard way

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Engineering Materials
The strength is the ability of a material to resist

Externally applied forces with breakdown or yielding

None of these

Deformation under stress

Fracture due to high impact loads

Externally applied forces with breakdown or yielding

None of these

Deformation under stress

Fracture due to high impact loads

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Engineering Materials
A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as

Precipitation

Heat treatment

Allotropic change

Recrystallization

Precipitation

Heat treatment

Allotropic change

Recrystallization

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Engineering Materials
Which is the false statement about wrought iron? It has

High ductility

Ability of hold protective coating

High resistance to rusting and corrosion

Uniform strength in all directions

High ductility

Ability of hold protective coating

High resistance to rusting and corrosion

Uniform strength in all directions

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Engineering Materials
Lead is poured into the joint between two pipes. These pipes may be made of

Asbestos cement

Cast iron

Concrete

Vitrified clay

Asbestos cement

Cast iron

Concrete

Vitrified clay

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Engineering Materials
Grey cast iron

Is produced by annealing process. I is soft, tough and easily machined metal

Is also known as chilled cast iron is obtained by cooling rapidly. It is almost unmachinable

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is produced by small additions o magnesium (or cerium) in the ladle Graphite is in nodular or spheroidal form and is well dispersed throughout the material

Is produced by annealing process. I is soft, tough and easily machined metal

Is also known as chilled cast iron is obtained by cooling rapidly. It is almost unmachinable

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is produced by small additions o magnesium (or cerium) in the ladle Graphite is in nodular or spheroidal form and is well dispersed throughout the material

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Engineering Materials

Engineering Materials The molecules in a solid move

Engineering Materials The strength is the ability of a material to resist

Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as

Engineering Materials Which is the false statement about wrought iron? It has

Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of

Engineering Materials Grey cast iron

Engineering Materials
The molecules in a solid move

Engineering Materials
The strength is the ability of a material to resist

Engineering Materials
A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as

Engineering Materials
Which is the false statement about wrought iron? It has

Engineering Materials
Lead is poured into the joint between two pipes. These pipes may be made of

Engineering Materials
Grey cast iron