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Engineering Materials

Engineering Materials
Eutectoid reaction occurs at

1493°C
600°C
1147°C
723°C

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Engineering Materials
Shock resisting steels should have

Low hardness
Toughness
Low tensile strength
Low wear resistance

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Engineering Materials
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Nichrome
Monel metal
Phosphor bronze
Babbitt metal

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Engineering Materials
The hardness of steel primarily depends on

Shape of carbides and their distribution in iron
Percentage of alloying elements
Heat treatment employed
Percentage of carbon

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Engineering Materials
The machinability of steel is increased by

Sulphur, graphite and aluminium
Phosphorous and aluminium
Silicon and sulphur
Phosphorous, lead and sulphur

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Engineering Materials
The charge is fed into the blast furnace through the

Throat
Stack
Bosh
Tyres

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MORE MCQ ON Engineering Materials

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