|
MCQs: What is the crystal structure of δ-ferrite?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following phases has a complex orthorhomic crystal structure?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: In Iron-Carbon equilibrium diagram, at which temperature cementite changes from ferromagnetic to paramagnetic character?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following statements is/are true about Iron in Iron-Carbon equilibrium diagram ? 1. It is soft and ductile 2. It is allotropic in nature 3. It is magnetic above curie temperature 4. Below the temperature of 1539 °C, iron is in liquid state
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which transformation starts after the nucleation of ferrite phase?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: The process of decomposing martensitic structure, by heating martensitic steel below its critical temperature is called as _______
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following processes permit the transformation of austenite to martensite, throughout the cross-section of a component without cracking or distortion?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following methods measure hardenability of a metal?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: In which of the following methods, surface of a steel component becomes hard due to phase transformation austenite to martensite?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Chemical action during corrosion converts metal into metallic component as ________
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: What is meant by corrosion?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which type of chemical reaction is observed at cathode, in electrochemical corrosion?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following corrosions are caused due to velocity of fluid flow in pipes?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Corrosion fatigue is a combined effect of _____
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: The gray cast iron has ____
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: In mottled cast iron, slow cooling rate is used to obtain ______
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: What is the effect of silicon on the structure of cast iron? 1. Blowholes are present in the castings 2. Increases fluidity 3. Influences the solidification of liquid alloys 4. Reacts with iron to form iron sulphide
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Nodules of graphite are observed in the microstructure of _______
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following parameters is/are false for steel?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following is α – β brass?
Category: Mechanical Engineering Questions, Published by: teswesm
|
