Engineering Materials MCQ Questions and Answers | Mechanical Engineering | page 18

Engineering Materials
Permalloy is a

Nickel and iron alloy having high permeability

Polymer

None ferrous alloy

Kind of stainless steel

Nickel and iron alloy having high permeability

Polymer

None ferrous alloy

Kind of stainless steel

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Engineering Materials
Process of Austempering results in

Carburised structure

Lamellar layers of carbide distributed throughout the structure

Martenistic structure

Formation of bainite structure

Carburised structure

Lamellar layers of carbide distributed throughout the structure

Martenistic structure

Formation of bainite structure

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Engineering Materials
Which is false statement about tempering? Tempering is done to

Improve ductility

Release stresses

Improve machinability

Improve toughness

Improve ductility

Release stresses

Improve machinability

Improve toughness

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Engineering Materials
Super conduction by metals is observed in the temperature range of

Above 100°K

Around 100°C

Below 10°K

Around 0°C

Above 100°K

Around 100°C

Below 10°K

Around 0°C

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Engineering Materials
Ferromagnetic alpha iron exists in temperature range of

770 to 910°C

1400 to 1539°C

Below 723°C

910 to 1440°C

770 to 910°C

1400 to 1539°C

Below 723°C

910 to 1440°C

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ENGINEERING MATERIALS

Engineering Materials Permalloy is a

Engineering Materials Process of Austempering results in

Engineering Materials Which is false statement about tempering? Tempering is done to

Engineering Materials Super conduction by metals is observed in the temperature range of

Engineering Materials Ferromagnetic alpha iron exists in temperature range of

Engineering Materials
Permalloy is a

Engineering Materials
Process of Austempering results in

Engineering Materials
Which is false statement about tempering? Tempering is done to

Engineering Materials
Super conduction by metals is observed in the temperature range of

Engineering Materials
Ferromagnetic alpha iron exists in temperature range of