The strength is the ability of a material to resist

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

None of these

Externally applied forces with breakdown or yielding

Deformation under stress

Fracture due to high impact loads

None of these

Externally applied forces with breakdown or yielding

Deformation under stress

Fracture due to high impact loads

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Engineering Materials
Balls for ball bearings are made of

Mild steel

Stainless steel

Carbon-chrome steel

Cast iron

Mild steel

Stainless steel

Carbon-chrome steel

Cast iron

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Engineering Materials
Malleable cast iron

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

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

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

Is also known as chilled cast iron and 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 annealing process. It is soft, tough, and easily machined metal

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

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

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Engineering Materials
Which of the following statement is true about brittle fracture?

High temperature and low strain rates favour brittle fracture

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

Brittle fracture is always preceded by noise

Cup and cone formation is characteristic for brittle materials

High temperature and low strain rates favour brittle fracture

Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture

Brittle fracture is always preceded by noise

Cup and cone formation is characteristic for brittle materials

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Engineering Materials
Drop forging dies contain carbon of the order of

0.6 to 0.7%

0.25 to 0.5%

0.7 to 0.9%

0.1 to 0.2%

0.6 to 0.7%

0.25 to 0.5%

0.7 to 0.9%

0.1 to 0.2%

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Engineering Materials
Specify the sequence correctly

Stress relief, grain growth, recrystallization

Grain growth, recrystallization, stress relief

Grain growth, stress relief, recrystallization

Stress relief, recrystallization, grain growth

Stress relief, grain growth, recrystallization

Grain growth, recrystallization, stress relief

Grain growth, stress relief, recrystallization

Stress relief, recrystallization, grain growth

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Engineering Materials

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

Engineering Materials Balls for ball bearings are made of

Engineering Materials Malleable cast iron

Engineering Materials Which of the following statement is true about brittle fracture?

Engineering Materials Drop forging dies contain carbon of the order of

Engineering Materials Specify the sequence correctly

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

Engineering Materials
Balls for ball bearings are made of

Engineering Materials
Malleable cast iron

Engineering Materials
Which of the following statement is true about brittle fracture?

Engineering Materials
Drop forging dies contain carbon of the order of

Engineering Materials
Specify the sequence correctly