111. In grey cast iron, carbon is present in the form of
112. In malleable iron, carbon is present in the form of
113. Nodular iron has
114. Nickel in steel
115. Dislocations in materials refer to the following type of defect
116. The main alloying elements high speed steel in order of increasing proportion are
117. Induction hardening is basically a
118. Which of the following is not the correct method of increasing fatigue limit?
119. The property of a material which enables it to retain the deformation permanently, is called
120. The brown smoke during the operation of a Bessemer converter indicates that the
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