From the lists given below, choose the most appropriate set of heat treatment process and the corresponding process characteristies Process P. Tempering Q. Austempering R. Martempering Characteristics 1. Austenite is converted into bainite 2. Austenite is converted into martensite 3. Cementite is converted into globular structure 4. Both hardness and brittleness are reduced 5. Carbon is absorbed into the metal

From the lists given below, choose the most appropriate set of heat tr

1.	From the lists given below, choose the most appropriate set of heat treatment process and the corresponding process characteristies Process P. Tempering Q. Austempering R. Martempering Characteristics 1. Austenite is converted into bainite 2. Austenite is converted into martensite 3. Cementite is converted into globular structure 4. Both hardness and brittleness are reduced 5. Carbon is absorbed into the metal
A.	P-3, Q-1, R-5
B.	P-4, Q-3, R-2
C.	P-4, Q-1, R-2
D.	P-1, Q-5, R-4
Answer» D. P-1, Q-5, R-4

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