UNIT-1 (CONSTITUTION OF ALLOYS AND PHASE DIAGRAMS 1. Define Solid solution. 2. Name the two kinds of Solid Solutions 3. How the substitutional Solutions are formed. 4. How the Interstitial Solutions are formed. 5. What are the factors governing Solid solubility? 6. What is Phase diagram? 7. What are the types of phase diagrams? 8. What are the Coordinates of phase diagram? 9. What is Isomorphous Reactions? 10.Give some examples of Isomorphous alloy systems. 11.What is Eutectic Reactions? 12.Give the Reaction happening in Eutectic? 13.What is Peritectic Reactions? 14.What is Eutectoid Reactions? 15.Give the Reaction taking place in Eutectoid? 16.Write an example of the eutectoid reaction occurs in the Iron Carbon System 17.What is Peritectoid Reactions? 18.Give the Reaction taking place in Peritectoid ? 19.Why Iron-Iron Carbide diagram is important/ 20.What is the content of steel? 21.What is the content of Cast Iron? 22.What are the two-phase diagrams of Iron-carbon system? 23.What are the four solid phases in the iron-iron carbide diagram? 24.What are the reactions taking place in the Iron-Carbide diagram? 25.What is the Peritectic reaction in Iron-Carbide diagram? 26.What is the Eutectic reaction in Iron-Carbide diagram? 27.What is the name of this combination Austenite () + Cementite? 28.What is the Eutectoid reaction in Iron-Carbide diagram? 29.What is the name of this combination -Ferrite + Cementite? 30.What is Hypoeutectoid and Hypereutectoid steel? 31. Name the classification of intermediate phase. 32.Explain Gibbs phase rule 33. Draw and explain unary phase diagram 34. Draw and explain classification of binary phase diagram 35. State the application of phase diagram 36. Draw various points in Iron – Carbide equilibrium diagram 37. State phases in iron-carbide diagram UNIT-II (HEAT TREATMENT) 38.Write the classification of steel? 39. How the steel classified? 40.What are the types of Cast iron. 41.What is Heat treatment of metal? 42.What are the types of heat Treatment? 43.What are the types of Annealing? 44.What is the process in Full Annealing? 45.What is the process in Recrystallization or process annealing 46.What is the Spheroidizing 47.What is Normalising? 48.What is the purpose of normalizing? 49.What is the abbreviation of TTT-diagram? 50.What are the other names of TTT diagram? 51.How to obtain IT – diagram? 52.What are the co-ordinates of IT-diagram? 53.What are the products you came to know from IT-diagram 54.What is the reason for Hardening? 55.What is Tempering? 56.What is Martempering? 57.What is Austempering 58.What are the types of hardening process 59.What is the test to find Hardenability? 60.What are the various types of case Hardening? 61. State the objectives of heat treatment 62. Define critical cooling rate 63. Define hardenability 64. What is age and air hardening 65. What are the stages of tempering process 66. What is back carburizing process UNIT-III (MECHANICAL PROPERITES AND TESTING) 67.How the metals are classified? 68. What are the two types of Deformation in metals? 69. What is Elastic deformation? 70. In what ways plastic deformation takes place 71. Define slipping. 72. Define Twinning. 73. Define fracture. 74. What are the two components of the process of fracture? 75. What are the different types of fracture? 76. What is the yield strength? 77. What are the tests conducted in the material? 78.What is creep fracture? 79.What is the need of mechanical test? 80.Define fracture and classify the fracture modes. 81.Distinguish between ductile and brittle fracture. 82.What are the stages of ductile fracture? 83.Why ductile fracture is more preferred than brittle fracture. 84.List the steps of fatigue in metals. 85.What two distinct region of surface areas are usually recognized on a fatigue failure surface. 86.Where do fatigue failures originate on a metal section? 87.Name few mechanisms whereby creep deformation occurs. 88.Suggest few methods to improve the creep resistance in alloys. 89.What properties are determined from tension testing of metallic products? 90.Distinguish between proportional limits and elastic limits. 91.What are the types of mechanical properties? 92.Define a) Hardness b) Plasticity c) Ductility 93.Define a) Brittleness b) Toughness c) Stiffness 94.Differentiate between toughness and resilience 95.Define the term creep 96.What is the importance of creep? 97.What are some important types of strength? 98.Define the terms a) Elastic strength, b) Plastic strength 99.Define tensile strength and compressive strength 100. Define the term castablity. 101. What are the factors affecting mechanical properties of a metal? 102. What are types of twinning? 103. Differentiate between slip and twinning 104. Write down the classification of imperfections 105. Define point defects 106. Define vacancies. 107. What is meant by Frenkel defect? 108. What is meant by Schottky defect? 109. Define electronic defects 110. Define the term line defects 111. Define the terms shear strength, torsional strength 112. What are types of technological properties? 113. Differentiate between malleability and machinability. 114. Differentiate between walkability and castablity. 115. What are the common metals have malleability? 116. What are the factors affecting machinability? 117. What are the some common metals have weldablity? 118. What are the various factors affecting formability? 119. What the types of dislocation and explain briefly? 120. Distinguish between edge dislocation and screw dislocation 121. Define the term plane defects 122. What are types of stacking fault? 123. Define the term tilt boundary 124. Define volume defects 125. Define cup and cone fracture. 126. Define the term fatigue 127. What are the stress cycles for fatigue testing? 128. What is the use of SN curve? 129. What are the factors affecting fatigue life? 130. What are the factors affecting creep? 131. In what important ways does the Rockwell hardness test differ from Brinell test? 132. Define hardness test. 133. Name any three important mechanical tests which will give valuable information about metals and alloys UNIT-IV (FERROUS AND NON FERROUS METALS) 134. Classify the stainless steels. 135. What type of stainless steels is referred to as ferritic stainless steels? Why? 136. Which type of stainless steels is hardenable by quenching? Give some typical application of this type of steels. 137. Is it possible to harden austenitic steels by heat treatment? Why? 138. What are tool steels? 139. What are the general requirements of tool steels? 140. What are the advantages and limitation of water hardening tool 141. What are the element are included in shock resisting tool steels? 142. What is meant by ‘non-deforming’ tool steels? 143. What are the three types of hot work tool steels? 144. What are high speed steels and name the two types? 145. Give the composition of the 18-4-1 high speed steel? 146. Define HSLA steels. 147. What is alloy steel? 148. What are the effects of alloying additions on steel? 149. How stainless steel divided? 150. What are the various types of Tool steels? 151. What are Maraging steels? 152. How copper alloys classified? 153. What are the types of bronze? 154. What are the three main steps in precipitation Strengthening treatment? 155. How ferrous materials are classified 156. State the manufacturing method of steel 157. What are classifications of steel? 158. Name some ferrous materials 159. Explain big iron production process 160. Wright down the properties of wrought iron 161. Brief about effect of impurities on cast iron 162. Write down the composition of spheroidal cast iron 163. Name some non- ferrous metals 164. Name some magnesium alloys 165. State the properties of Tin UNIT-V (NON-METALLIC MATERIALS) 166. Mention some of the application of polystyrene. 167. What are acrylics? Mention their application. 168. Write the application of PET polymer. 169. Mention some application of polycarbonates. 170. What is the general name for polyamide thermoplastics? 171. In the designation nylon 6/12 , what does 6/12 stand for? 172. What are the desirable and undesirable properties of nylon as an engineering polymer? 173. What are the monomers present in ABS terpolymer and what is the properties contribution by each of the component? 174. What part of the PPS structure provides high resistance to chemicals. 175. Why is PTEE used as a bearing material? 176. How is synthetic alumina produced? 177. How is synthetic silicon carbide produced? 178. What are the important uses of alumina? 179. What are the important uses of nitride? 180. Give some application of silicon carbide. 181. Define the term polymer. 182. What are the naturally occurring polymers? 183. What are the synthetic polymers? 184. What is polymerization? 185. What are the types of polymerization? 186. What is the difference between Addition and condensation polymerization 187. How are polymers classified? 188. What is the difference between Thermoplast and Thermosets? 189. Define Ceramics. 190. What does new ceramic material include? 191. Name two refractory materials. 192. What is composite material? 193. Write an example for composite material? 194. What are the different types of composite? 195. What is matrix and reinforcement? 196. What are the characteristics of polymer 197. Define the term syndiotatic and atactic polymers 198. Explain elastomer 199. What are some naturally occurring non-metallic materials and how they used for engineering application 200. What is primary of atomic bonding within polymers 201. What is degree of polymerization 202. What does mean why polymers “Crystallizes” 203. What are some of the ways that a thermoplastic polymer can be made stronger? 204. Why the thermosetting characteristically brittle? 205. What are technique of copolymerization 206. What are the common types of plastics 207. Describe poly ethylene 208. Write down the properties of poly ethylene 209. Write down the application of poly ethylene 210. Polyethylene are dues for house hold goods, why is this so? 211. Describe polystyrene 212. What some properties and application of polystyrene 213. What do the term polyvinyl chloride 214. Why PVC has preferred 215. Write down the properties application of PVC 216. What are the properties of polycarbonate 217. What are application of polycarbonate 218. What is the polyamide 219. What is an acrylonytryl butadiene styrene 220. Why ABS is preferred engineering application 221. What are some limiting properties and application of ABS 222. What is an polyamide 223. Why plenitude is preferred in industrial high performance thermo plastic 224. What are some industrial use of polyamides as laminations 225. What is polyamide- imides 226. What is an poliphenyline oxide 227. What is poliphenyline sulphide 228. What are the purpose of uses in peek 229. What is poltytetra ethylene tefflon 230. What is an urea formaldehyde 231. What is meant by phenyl pharmoldihide 232. What is the common name given for ceramic material in the non-crystalline or amorphous state 233. Why are crystal structure of ceramics frequently more complex than those observed for metals 234. What is the dominant properties of refractory ceramics 235. What are the some important application of ceramics 236. What are some specific materials are classified as structural ceramics 237. What are some common types ceramics 238. What are dominant properties of ceramic abrasives 239. Why do most ceramic materials fails to posses their theoretically high tensile strength 240. What is the cermet and concrete 241. What are two basic classes of ceramic material and does the processing differ 242. What are glass ceramics?