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Question

________ structure is obtained if quenched in water. 

A.

Sorbite

B.

Pearlite

C.

Troostite         

D.

Martensite

Answer ( Option D)

Martensite

Solution

Martensite structure is obtained if quenched in water.

Hence, the correct option is (D).

Air cooled      Fine pearlite

Oil quenched Very fine pearlite

Furnace quenched  Coarse pearlite  

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