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Materials and Construction

Materials and Construction
High speed steel should have high

Hardenability
Wear resistance
Toughness
Both B & C

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Materials and Construction
Which of the following has the least value of ultimate tensile strength (UTS)?

High carbon steel
Cast iron
Wrought iron
Medium carbon steel

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Materials and Construction
The hardest material just prior to diamond in Mhos scale is

Carborundum
Topax
Calcite
Corrundum

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Materials and Construction
Diamagnetic materials are magnetised

In a direction opposite to that of the applied field
With eddy currents only
Strongly
Only slightly

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Materials and Construction
Which of the following is the most prone to atmospheric corrosion?

Iron
Silver
Tin
Copper

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Materials and Construction
The increase in hardness of metal due to its cold working is termed as the __________ hardening.

Age
Induction
Flame
Work

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