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Engineering Materials

Engineering Materials
The bond formed by transferring electrons from one atom to another is called

Covalent bond
None of these
Ionic bond
Metallic bond

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

Stack
Tyres
Throat
Bosh

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Engineering Materials
Phosphor bronze contains

0.5% of phosphorous
1% phosphorous
2.5% phosphorous
None of these

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Engineering Materials
Hardness of lower bainite (tempered martensite) is about

RC 80
RC 65
RC 48
RC 57

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Engineering Materials
Perminvar alloy having constant permeability is an alloy of

Iron, zinc and bismuth
Nickel, copper and zinc
Copper, nickel and antimony
Nickel, copper and iron

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Engineering Materials
White cast iron has

Low tensile strength
High compressive strength
Carbon in the form of carbide
All of these

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