121. Iron ore is usually found in the form of
122. German silver contains
123. Drop forging dies contain carbon of the order of
124. Combined carbon in iron makes the metal
125. Free carbon in iron makes the metal
126. In mottled cast iron, carbon is available in
127. The presence of hydrogen in steel causes
128. Maximum percentage of carbon in austenite is
129. The hardness and tensile strength in austenitic stainless steel can be increased by
130. Machining properties of steel are improved by adding
Read More Section(Engineering Materials)
Each Section contains maximum 100 MCQs question on Engineering Materials. To get more questions visit other sections.