This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Cast Irons”. 1. Which of the following can be carbon composition of cast iron? a) 1% b) 1.5% c) 0.5% d) 2.5% 2. Cast iron tends to be brittle. a) True b) False 3. At what temperature does pure iron turn into … Read more
This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Steels”. 1. Which of the following is an alloy of iron and carbon? a) Steel b) Brass c) Bronze d) Solder 2. Which of following crystalline form can iron not take? a) BCC b) FCC c) HCP d) It can take all … Read more
This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Types of Metal Alloys”. 1. Which of the following is an alloy of iron? a) Vitallium b) Brass c) Invar d) Solder 2. Which of the following is an alloy of lead? a) Vitallium b) Brass c) Invar d) Solder 3. Which … Read more
This set of Tough Materials Science Questions and Answers focuses on “Mechanical Behavior of Iron-Carbon Alloys”. 1. In an iron carbon alloy, the mechanical properties are dependent on the micro structure. a) True b) False 2. Which of the following is present in pearlite? a) Spherodite b) Bainite c) Ledeburite d) Ferrite 3. Which of … Read more
This set of Basic Materials Science Questions and Answers focuses on “Continuous Cooling Transformation Diagrams”. 1. Continuous cooling transformation diagrams are mainly drawn for _________ a) Iron b) Manganese c) Any alloy d) steel 2. In continuous cooling transformation diagrams, which of the following is true? a) The material is cooled rapidly b) The material … Read more
This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Time Temperature Transformation(TTT) Curves”. 1. Time temperature transformation diagrams are drawn for ______________ a) Iron b) Manganese c) Any alloy d) Only steel 2. Which of the following is not a name for time temperature transformation diagrams? a) S curve b) C … Read more
This set of Materials Science online quiz focuses on “Phase Transformations in Iron-Carbon Systems”. 1. What is the Peritectic reaction at 1495°C? a) L (0.53% C) + δ(0.09% C) → γ(0.17% C) b) L (4.3% C) → γ(2.1 % C) + Fe3C (6.67% C) c) γ (0.8 % C) → α (0.025% C) + Fe3C … Read more
This set of Materials Science online test focuses on “Phase Transformation Kinetics”. 1. What is/are the phenomenon involved in phase transformation? a) Nucleation b) Growth c) Fission d) Nucleation and growth 2. How many types of nucleation process are there and what are they? a) 2 and (fusion and fission) b) 2 and (Heterogeneous and … Read more
This set of Materials Science Question Bank focuses on “Iron-Carbon Systems”. 1. What is maximum solubility % of carbon and temperature range that α-ferrite exist? a) 0.05% and 273°c to 910°c b) 0.025% and 273°c to 910°c c) 2.1% and 910°c to 1394°c d) 0.05% and 910°c to 1124°c 2. What is maximum solubility % … Read more
This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Gibbs Phase Rule”. 1. What is Gibbs phase rule for general system? a) P = C – 1 – F b) P = C + 1 – F c) P + F = C – 2 d) P + F = C … Read more
