Consider the following quenching media: 1. Oil 2. Water 3. Water + NaOH 4. Brine The correct sequence of these media in order of increasing hardness of steel undergoing heat treatment is:

Consider the following quenching media: 1. Oil

1.	Consider the following quenching media: 1. Oil 2. Water 3. Water + NaOH 4. Brine The correct sequence of these media in order of increasing hardness of steel undergoing heat treatment is:
A.	1, 3, 2, 4
B.	2, 1, 3, 4
C.	1, 2, 3, 4
D.	4, 3, 2, 1
Answer» B. 2, 1, 3, 4

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Consider the following quenching media: 1. Oil 2. Water 3. Water + NaOH 4. Brine The correct sequence of these media in order of increasing hardness of steel undergoing heat treatment is:

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