The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is _______________?

Related Mcqs:

Maximum percentage of carbon in austenite is______________?

A. 0.025% B. 0.26% C. 0.8% D. 1.25% E. 1.7%....

Hardness of lower bainite (tempered martensite) is about________________?

A. RC 65 B. RC 48 C. RC 57 D. RC 80 E. RC 32...

Carbon steel is_______________?

A. made by adding carbon in steel B. refined from cast iron C. an alloy of iron and carbon with varying quantities of phosphorus and sulphur D. extensively used for making cutting tools E. extremely brittle...

Nickel in steel___________________?

A. improves wear resistance, cutting ability and toughness B. refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant proper¬ties C. improves cutting ability and reduces hardenability D. gives ductility, toughness, tensile strength and anticorrosion properties E. none of the above...

Constantant an alloy used in thermocouples is an alloy of __________________?

A. copper and tin B. copper and zinc C. copper and iron D. copper and nickel E. copper and chromium...