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Engineering Materials

Engineering Materials
Manganese in steel increases its

Ductility
Tensile strength
Hardness
Fluidity

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Engineering Materials
The toughness of a material __________ when it is heated.

Increases
Remain same
None of these
Decreases

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Engineering Materials
Steel with __________ carbon is known as hypo-eutectoid steel.

None of these
Above 0.8%
0.008
Below 0.8%

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Engineering Materials
The cupola is used to manufacture

Wrought iron
Cast iron
Steel
Pig iron

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Engineering Materials
The hardness of steel increases if it contains

Martensite
Cementite
Austenite
Pearlite

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Engineering Materials
Which of the following alloys does not have copper as one of the constituents?

Constantan
Delta metal
Nichrome
Monel metal

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