81. Phosphor bronze contains
82. A material is known as allotropic or polymorphic if it
83. Sulphur in cast iron
84. An example of amorphous material is
85. Steel made from phosphate iron is
86. The alloying element which reduces the formation of iron sulphide in steel is
87. In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion.
88. Permalloy is a
89. Process of Austempering results in
90. Which is false statement about tempering? Tempering is done to
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