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Engineering Materials

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

Asbestos cement
Concrete
Cast iron
Vitrified clay

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Engineering Materials
The following element can't impart high strength at elevated temperature

Nickel
Manganese
Magnesium
Silicon

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Engineering Materials
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Cobalt
Vanadium
Chromium
Nickel

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Engineering Materials
An engineer's hammer is made of

Forged steel
High carbon steel
Mild steel
Cast iron

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Engineering Materials
The addition of which of the following improves machining of copper?

Zinc
Tin
Vanadium
Sulphur

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Engineering Materials
Which of the following represents the allotropic forms of iron?

Alpha iron, gamma from and delta iron
Alpha iron and beta iron
Alpha iron, beta iron and gamma iron
Body centered cubic iron and face centered cubic iron

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