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Materials and Construction

Materials and Construction
High speed steel tools retain their hardness upto a temperature of __________ °C.

1100
500
750
900

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Materials and Construction
Which of the following has no effect on the carbide forming tendency in steels?

Molybdenum
Phosphorus
Vanadium
Chromium

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Materials and Construction
A material is able to retain the deformation permanently by virtue of its

Plasticity
Elasticity
Malleability
Ductility

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Materials and Construction
Most of the common metals have __________ crystal structure.

Hexagonal
Cubic
Orthorhombic
None of these

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Materials and Construction
Presence of high phosphorous in cast iron increases its

Tensile strength
Fluidity
Shrinkage
Melting point

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Materials and Construction
Low carbon steels are those in which carbon percentage is around

0.8 to 1.5
0.1 to 0.35
0.4 to 0.7
1.5 to 2

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