Consider the following tool materials: 1. Carbide 2. Cermet 3. Ceramic 4. Borazon The correct sequence of these tool materials in increasing order of the their ability to retain their hot hardness is:

Consider the following tool materials: 1. Carbide �

1.	Consider the following tool materials: 1. Carbide 2. Cermet 3. Ceramic 4. Borazon The correct sequence of these tool materials in increasing order of the their ability to retain their hot hardness is:
A.	1, 2, 3, 4
B.	1, 2, 4, 3
C.	2, 1, 3, 4
D.	2, 1, 4, 3
Answer» B. 1, 2, 4, 3

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Consider the following tool materials: 1. Carbide 2. Cermet 3. Ceramic 4. Borazon The correct sequence of these tool materials in increasing order of the their ability to retain their hot hardness is:

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