MINISTRY OF EDUCATION AND SCIENCE
THE REPUBLIC OF KAZAKHSTAN
KARAGANDA STATE
TECHNICAL UNIVERSITY
“APPROVED”
Vice-Rector for АА
__________ EGOROV V.V.
« _____» _________ 2013
PROGRAM AND TASKS
OF ENTRANCE EXAM FOR GRADUATE
ON THE SPECIALITY 6M071000 “MATERIALS SCIENCE AND TECHNO-
LOGY OF NEW MATERIALS”
Department of MM and N
Made: doc., k.t.s., Sharaya OA
doc., k.t.s., Isin DK
senior lecturer, Tulegenova Sh.N.
2013
The list of disciplines entrance exam for graduate with a degree 6M071000 “Materials science and technology of new materials”
|
№ |
The name of discipline |
The number of questions |
|
1 |
Technological processes for the production of materials |
25 |
|
2 |
Process equipment manufacture materials |
25 |
|
3 |
Physical properties of materials |
25 |
The exam is conducted in writing. Each ticket contains three questions (one question on each of these subjects) and one task for any of the disciplines. Exemplary types of problems are provided in the program.
The program is an entrance exam for the discipline “of technological processes for the production of materials”:
Topic 1. Iron and steel production
Theme 2. Production of aluminum, magnesium, titanium and copper.
Theme 3. Production of castings.
Theme 4. Preparation methods of plastic deformation of the workpiece.
Theme 5. Obtaining permanent joints by welding.
Theme 6. Composition and classification of plastics and rubber products.
Questions on discipline:
- General characteristics of iron ores. The methods of enrichment.
- Agglomeration processes and the production of pellets.
- Design and operation of blast furnace.
- Pig iron in a blast furnace.
- BOF methods of making steel.
- Open-hearth furnace steelmaking.
- Preparation of steel in electric furnaces.
- Techno-economic indicators and comparative analysis of modern methods of producing steel.
- The casting of steel and improvement of its ingots.
- Classification of methods for making castings.
- Production of castings in sand molds.
- Shell molding.
- Chill casting.
- Requirements for foundry alloys.
- Quality control of castings. To rectify the casting defects.
- Physical and mechanical basics of metal forming. Classification methods of metal forming.
- SUMMARY rolling process.
- The processes of pressing and dragging.
- Forging and stamping processes.
- Arc welding, its kinds.
- Resistance welding.
- Welding of carbon and alloy steels.
- Composition and classification of plastics.
- The technology of manufacture of plastic products.
- The technology of manufacture of rubber products.
The program is an entrance exam for the discipline “technological-parameter equipment manufacturing materials”:
Theme 1. Equipment for the production of steel
Theme 2. Equipment for the production of non-ferrous and light metals
Theme 3. Equipment for foundries
Theme 4. Equipment for forging and rolling
Theme 5. Equipment for welding
Theme 6. heaters
Questions on discipline:
Design and operation of open-hearth furnaces for steel production.
2. The scheme and the work of the cell to produce aluminum.
3. Scheme cell for magnesium.
4. The equipment for the foundry industry: core machines and vending machines.
5. Device for heating preforms before the pressure treatment.
6. Types of equipment for forging. Principle of operation.
7. Drawing. Tool for drawing.
8. Equipment and tools used during rolling.
9. Equipment and tools used during compression.
10. Equipment and tools used in stamping.
11. Mechanization and automation of hot die forging.
12. Welding transformers, generators.
13. Resistance welding equipment.
14. The experimental setup for electron beam welding.
15. The scheme butt welding. Principle of operation.
16. Scheme resistance seam welding. Principle of operation.
17. The scheme of resistance spot welding. Principle of operation.
18. Equipment for the production of non-metallic materials.
19. Hydraulic presses. Purpose, principle of operation.
20. Types of heaters
21. Purpose and types of rolls.
22. Comparative analysis of the hammer and the press.
23. The processes occurring during heating of the metal.
24. Electric arc furnaces for melting non-ferrous metals. The principle of operation, the appliance.
25. Equipment oxyacetylene welding.
The program is an entrance exam for the discipline “Physical properties of materials”:
Topic 1. Electrical properties. The electrical properties of the alloys. Superconductivity.
Theme 2. Magnetic properties. The diamagnetism and paramagnetism. Ferromagnetism. Magnetic materials applications.
Theme 3. Thermal properties. The heat capacity of Einstein and Debye. Specific heat of real metals, alloys and compounds. Thermal conductivity. Mobile thermal and electrical conductivity.
Theme 4. The density and thermal expansion. The compressibility of metals. The measurement of density.
Questions on discipline:
1. Ohm’s law as the basis of an experimental study of the electrical properties of metals and alloys.
2. The electrical properties of alloys.
3. The essence of the Hall effect. The physical meaning of the Hall constant.
4. Investigation of the electrical properties of semiconductors using the Hall effect.
5. The change in the electrical conductivity of the chemical interaction of the components.
6. Superconductivity. Terms of Mathias.
7. Describe the processes in ferromagnetic materials at their reversal, according to the magnetization curves. Describe the types of magnetization curves.
8. Explain the difference between soft and hard magnetic ferromagnetic materials. Give examples of these materials.
9. Magnetic properties of metals and alloys.
10. The ferromagnetic properties of metals and alloys.
11. Graphical representation of the interaction forces between the molecules of the distance between them. What is the difference of this relationship for the forces of repulsion and attraction forces?
12. The magnetic parameters of materials. Classification of magnetic materials.
13. Hysteresis loop.
14. The main differences between the linear ferroelectric dielectrics.
15. Application of magnetic materials at the present stage.
16. Thermal properties. The heat capacity of Einstein and Debye.
17. The heat capacity of real metals, alloys and compounds.
18. Neumann-Kopp rule.
19. The phenomenon of thermal conductivity. Contact thermal conductivity and electrical conductivity.
20. General characteristics of ferroelectrics.
21. The phenomenon of dielectric hysteresis and temperature influence on him.
22. Ferroelectrics I and II and their applications
23. The density and thermal expansion
24. The phenomenon of compressibility of metals.
25. Describe the methods for measuring the density of materials.
Examples of tasks:
№ 1. After passing the accelerating potential difference is 3.25 kV, the electron enters a uniform magnetic field perpendicular to the lines of induction. Induction field 0.01 T, the radius of the trajectory r = 2 cm determine the specific charge of the electron.
given:
find the: е/m.
№ 2. Turn radius of 2 cm, the current in which 10 A, freely set in a uniform magnetic field with induction of 1.5 Tesla. The lines are perpendicular to the plane of the induction coil. Determine the work done by external forces when turning on the turn angle of 900 about an axis coincident with the diameter coil. Assume that when you turn the loop current in it is maintained unchanged.
given: .
find the: А.
№ 3. Under the influence of a uniform magnetic field perpendicular to the lines of induction begins to move straight conductor 2 kg, in which the current 10A. What is the magnetic flux conversion of this wire to the time when it becomes equal to the speed of 31.6 m / s?
given:
find the:
№ 4. Conductor, wherein current 1A 0.3 m uniformly rotated about an axis passing through its end in a plane perpendicular to the induction lines of a magnetic field of 1 kA / m For 1 min 0.1 speed work is done by J. Determine the angular velocity of the conductor.
given:
find the: .
№5. The angular momentum of the proton in a uniform magnetic field of 20 kA / m is equal to 6,6 • 10-23 kg • m2 / s. Find the kinetic energy of the proton, if it moves perpendicular to the magnetic field lines.
given:
find the: Е.
Discussed at a meeting of the department of MM and N
The protocol № 18 of 14.05.2013.
Head of the department of MM and N: ____________ Kulikov V.Y.