Gamma iron exists at temperatures in the range

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
• Gamma iron has
• When piece of 0.2% carbon steel is heated above third critical point the steel is a solid solution of carbon in gamma iron and called
• The process of heating iron base alloys to approzimately 40?C above the critical temperature range followed by cooling to below that range in still air at ordinary temperature is known as
• Ferromagnetic alpha iron change to paramagnetic alpha iron at
• In iron-iron carbide diagram the
• Delta iron occurs at temperature in the range of
• Tensile strength of common varieties of cast iron is in the range
• When a loop composed of two dissimilar metals could be made to carry a continuous current simply by maintaining the two junctions at different temperatures, the above effect is known as
• The ability of a tool to resist softening at high temperatures is known as