MCQs in Engineering Materials Part III – Answers

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(Last Updated On: December 8, 2017)

Answers in Engineering Materials - MCQs Part 3

Below are the answers key for the Multiple Choice Questions in Engineering Materials – MCQs 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 practice exam test questions in this brand new series:

Engineering Materials MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

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

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