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Metallurgical Engineering · Q94

Physical Metallurgy

Engineering and GATE · Metallurgical Engineering · question 94

Q94

Match the microstructural state of the following steels with. their respective heat treatments Group-I Group-II P. Eutectoid steel homogenised at 900°C and quenched in water at room temperature 1. Ferrite, martensite and retained austenite Q. A 0.4% C steel soaked at 750°C and quenched in water at room temperature. 2. Pearlite and carbide R. Normalised 1%C steel. 3. Martensite and retained austenite S. Eutectoid steel subjected to normalising 4. Pearlite

Match the microstructural state of the following steels with. their respective heat treatments
Group-I Group-II
P. Eutectoid steel homogenised at 900°C and quenched in water at room temperature 1. Ferrite, martensite and retained austenite
Q. A 0.4% C steel soaked at 750°C and quenched in water at room temperature. 2. Pearlite and carbide
R. Normalised 1%C steel. 3. Martensite and retained austenite
S. Eutectoid steel subjected to normalising 4. Pearlite
A.
P-4, Q-3, R-1, S-2
B.
P-3, Q-4, R-2, S-1
C.
P-4, Q-3, R-2, S-1
Answer
D.
P-1, Q-2, R-4, S-3

Answer: Option C

Solution

Answer: Option C
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