Question: answer The proeutectoid phase in hypoeutectoid steels is: O a. Austenite O b. Ferrite O c. Cementite O d. Pearlite The temperature at which austenite

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The proeutectoid phase in hypoeutectoid steels is: O a. Austenite O b. Ferrite O c. Cementite O d. Pearlite The temperature at which austenite transforms to pearlite is: O a. 727"C O b. 1147.C O C. 910'C O d. 1495.C In a ferromagnetic material the state of flux density is as follows when external magnetic field is applied to it. O a. Increased O b. Becomes zero O c. Remains unchanged O d. Decreased

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