MCQ in Engineering Materials Part 3 – Answers

Below are the answers key for the Multiple Choice Questions in Engineering Materials Part 3.

101. Pitting

102. Dezincification

103. Expoliation

104. Filiform corrosion

105. Fretting corrosion

106. The corroded member in a corrosion cell is the cathode.

107. 2

108. Stainless steels have tensile moduli greater than those of carbon and alloy steels.

109. Iron, chromium, carbon and nickel

110. 6

111. Casting

112. Metal mold (matching halves)

113. Ductile iron

114.Continuous pultrusion

115. Alkydes

116. 23XX

117. 12XX

118. American Iron and Steel Institute

119. Society of Automotive Engineers

120. American Society for Testing and Materials

121. 16 % to 20 %

122. 600oC to 1100oC

123. Cobalt

124. 0.20

125. 0.15 to 0.30

126. 11 to 14

127. strain harden

128. 11 to 17

129. Casehardening

130. Hardenability

131. 1333o F

132. 770o C

133. Pearlite

134. Alpha iron

135. Nitriding

136. Cassiterite

137. Sphalerite

138. Ilmanite

139. Bauxite

140. copper and zinc

141. copper and tin

142. The alloy group

143. The modifications of the alloy group or impurity limits

144. As fabricated

145. Manganese alloys

146. 50000 lbf/in2

147. less than 0.1 percent

148. 14 %

149. Muntz metal

150. 15 %

Online Questions and Answers in Engineering Materials Series

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQs in General Engineering and Applied Science per topic

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