This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Metallography”. 1. Removal of hard sample material is done by _________ a) Manual hacksawing b) Piercing c) Abrasive cutoff wheel d) Oxy-fuel burning 2. What can be done to make the specimen easy to handle? a) Surface grinding b) Cylindrical … Read more
This set of Engineering Materials and Metallurgy Questions and Answers for Aptitude test focuses on “Pyrometry and the Types of Pyrometers”. 1. What is the most widely used method for metallurgical temperature measurement? a) Thermoelectric pyrometer b) Optical pyrometer c) Radiation pyrometer d) Recording pyrometer 2. The total emf of the thermoelectric pyrometer is given … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Thermometry and the Types of Thermometers”. 1. Measurement of elevated temperatures is defined as ___________ a) Thermometry b) Pyrometry c) Metallography d) Radiography 2. What temperature does the dark red color generally deal with? a) 950 F b) 1150 F … Read more
This set of Engineering Materials and Metallurgy Questions and Answers for Campus interviews focuses on “Nucleation, Growth and Segregation, Recovery, Recrystallisation and Grain Growth”. 1. The beginning of a new phase transformation is known as ________ a) Nucleation b) Growth c) Segregation d) Coring 2. In nucleation, particles having radius less than rc are known … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Defects and Machining of Metals, Solidification of Metals”. 1. Which defect does the following image denote? a) Orange peel b) Sinking c) Burr and bend d) Wrinkling 2. Which defect is illustrated in the below figure? a) Earing b) Sinking … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Cryogenics, Hot and Cold Working of Metals”. 1. Cryogenics deal with temperatures around _________ a) -50oC b) -90oC c) -180oC d) -250oC 2. What is the boiling point of nitrogen? a) 20.27 b) 27.09 c) 77.36 d) 111.7 3. Liquid … Read more
This set of Engineering Materials and Metallurgy Questions and Answers for Entrance exams focuses on “Elasticity, Relaxation Processes and Spring Dashpot Models”. 1. The ability of a material to return to its original state when an external force is removed is called __________ a) Plasticity b) Elasticity c) Pseudo-elasticity d) Resilience 2. The stress-strain curve … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Mechanisms of Creep & Creep Resistant Materials”. 1. Creep occurs at a temperature above ________ a) 0.16 Tm b) 0.22 Tm c) 0.4 Tm d) 0.91 Tm 2. __________ experiences creep at room temperature. a) Iron b) Copper c) Nickel … Read more
This set of Engineering Materials & Metallurgy Multiple Choice Questions & Answers (MCQs) focuses on “Plastic Deformation”. 1. Which of the following represents the slip mode of plastic deformation? a) b) c) d) 2. What is the SI unit for the stress of a material? a) N b) N m c) N m-1 d) N … Read more
This set of Engineering Materials and Metallurgy Question Bank focuses on “Fracture Toughness, Protection against Fracture”. 1. The fracture resistance of a material is defined as its ________ a) Fracture strength b) Fracture toughness c) Fracture hardness d) Fracture resilience 2. What is Gc with reference to Griffith Theory? a) Stress energy released b) Strain … Read more
