20 Questions
What are the main topics covered in the engineering metallurgy course?
Introduction to engineering materials, structures for metals and alloys, crystallization and solidification, construction of thermal equilibrium diagrams, heat treatments of steels, alloy steels, heat-treatment of non-ferrous alloys, principles of bearing materials, and corrosion principles.
What is the significance of the iron-carbon equilibrium diagram in metallurgy?
The iron-carbon equilibrium diagram is important for understanding the microstructures, mechanical properties, and applications of steel.
Name a type of heat treatment used for non-ferrous alloys.
Precipitation hardening
What are the principles of bearing materials in engineering metallurgy?
The principles of bearing materials involve understanding the selection and characteristics of materials suitable for bearing applications, including factors like load, speed, and lubrication.
Why is the study of corrosion principles important in engineering metallurgy?
The study of corrosion principles is crucial for understanding and preventing the deterioration of metallic materials due to chemical or electrochemical reactions with their environment.
What are the three headings under which metallurgical science can be studied?
Physical metallurgy, Extraction metallurgy, Process metallurgy
Why is plastic used for the outer casing of the electric cable connector?
It is a good electrical insulator, prevents electric shock, prevents short circuit, cheap, tough, and easily moulded to shape.
Why is brass chosen for the metal joining piece and clamping screws of the electric cable connector?
Good electrical conductivity, ease of extruding to shape, ease of machining, adequate strength, corrosion resistance.
What properties make the special steel alloy suitable for the connecting rod of a motor car engine?
Combines strength and toughness, ability to be readily forged to shape and finished by machining.
What has the understanding of materials resources and nature enabled engineers to do?
Select the most appropriate materials and use them with greatest efficiency in minimum quantities while causing minimum pollution in their extraction, refinement, and manufacture.
What are the main topics covered in the engineering metallurgy course?
Introduction to engineering materials, structures for metals and alloys, crystallization and solidification, construction of thermal equilibrium diagrams, heat treatments of steels.
Why is the iron-carbon equilibrium diagram significant in metallurgy?
It provides crucial information about the phases and microstructures of iron-carbon alloys at different temperatures and compositions.
What are the principles of bearing materials in engineering metallurgy?
The principles include load capacity, fatigue resistance, wear resistance, and lubrication properties.
Why is the study of corrosion principles important in engineering metallurgy?
Understanding corrosion principles is crucial for preventing material degradation, ensuring durability, and maintaining the integrity of engineering components.
What is the significance of heat treatment based on T.T.T. curves in engineering metallurgy?
It allows for the precise control of microstructures and mechanical properties in steels, enhancing their performance for specific applications.
What are the three main headings under which metallurgical science can be studied?
Physical metallurgy, Extraction metallurgy, Process metallurgy
Why is brass chosen for the metal joining piece and clamping screws of the electric cable connector?
Good electrical conductivity, ease of extruding to shape, ease of machining, adequate strength, and corrosion resistance
What properties make the special steel alloy suitable for the connecting rod of a motor car engine?
Strength, toughness, ability to be readily forged to shape, and finished by machining
What are the reasons for selecting the plastic casing for the outer casing of the electric cable connector?
Good electrical insulator, prevents conductors from touching each other and causing a short circuit, cheap, tough, easily moulded to shape, and readily available
What has the understanding of materials resources and nature enabled engineers to do?
Select the most appropriate materials and use them with greatest efficiency in minimum quantities while causing minimum pollution in their extraction, refinement, and manufacture
This quiz covers topics such as engineering materials, structures for metals and alloys, crystallization, solidification, cooling curves, and construction of basic thermal equilibrium diagrams. It is designed for 3rd class students at Duhok University's College of Engineering, Mechanical Engineering Department, taught by Dr. Haval Asker.
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