A clock spring is heated to redness and then | vedclass

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(D) When a steel object like a clock spring is heated to redness and then suddenly cooled by plunging it into cold water,a process known as $quenching

Vedclass · Accepted Answer

Hard and brittle

Vedclass · Answer

(D) When a steel object like a clock spring is heated to redness and then suddenly cooled by plunging it into cold water,a process known as $quenching$ occurs. This rapid cooling prevents the formation of a soft,equilibrium microstructure and instead results in the formation of $martensite$,which makes the metal $hard$ and $brittle$.

$A$ clock spring is heated to redness and then plunged into cold water. This treatment will cause it to become

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