Ferromagnetic alpha iron change to paramagnetic alpha iron at

Related MCQs

• The consitituent which has a powerful softening effect on cast iron and its presence in cast iron reduces the ability of the iron to retain carbon in chemical combination, is
• The solid solution carbon in alpha iron obtained on cooling of 0.2% carbon steel which have been heated above the third critical point is called
• In ferromagnetic materials
• When a ferromagnetic substance is magnetised, small changes in dimensions occur. Such a phenomenon is known as
• The intensity of magnetisation M of a ferromagnetic solid
• In iron-iron carbide diagram the
• The furnace used for castings of cast iron in a foundry shop is known as
• Cast iron containing 6.6% carbon is
• Gamma iron has
• Delta iron occurs at temperature in the range of