1. What
are processing equipment, production line and operating set.
2. Apparatuses
and working machines – parameters, characteristics, examples.
3. Basic
flow principles incl.
dependences.
dependences.
4. Equipment’s
design steps (machine or apparatus).
5. Design
steps for production line.
6. What
does the term „quality of processing equipment“ mean?
7. Design
materials and how to choose a proper material
8. What
thermal and physical properties of materials do you know and what is their
effect to process equipment?
9. What
mechanical properties of materials do you know and what is their effect to
process equipment?
10. What
materials are used for process equipment – their properties and examples of
using?
11. What
are ways of protection of metal surfaces against corrosion or excessive wear?
12. Welding
of metals and types of welds often used.
13. Pressure vessels welding and types of welds often used.
14. Welding
of materials with different thickness.
15. Weld
location on pressure vessel – examples of longitudinal and cross weld location,
neck and footing location.
16. T –
welded joints, cross – welded joints and corner welded joints – examples.
17. Types
of covers of cylindrical vessels, ways of their welding, advantages and
disadvantages.
18. Welding
of flanges and necks.
19. Welding
of cladded sheets, flanges and necks, welding of aluminium.
20. Spherical,
cylindrical and rectangular vessels, advantages and disadvantages, examples of
their design.
21. Pressure
vessels – thin walled shell (what is pressure vessel, relation between membrane
and rigid shell – examples)
22. Calculation
of tangential and axial stresses in a thin wall cylinder with internal
overpressure, calculated wall thickness.
23. Examples
of conical shells design, joint with cylindrical shell, what is a way of
calculation a cone wall thickness (difference compared to a cylinder).
24. Reinforcement
of openings for necks in pressure vessels shells.
25. Method
of tubular heat exchanger calculation and design.
26. What
are ways of excessive thermal dilatations compensation in tubular heat
exchangers?
27. Tube
arrangement in a tube plate, tube pitch.
28. Connection
of tubes and tube plates, examples, advantages and disadvantages of these ways,
double-wall tube plate.
29. Types
of baffles in shell and tube heat exchanger, their purpose and design.
30. Number
of passes in tubular heat exchanger, their purpose and design.
31. Ways
of heating media inlet into calandria, tube protection against an effect of
entering fluid.
32. Vessels
with jacketed kettle – examples of their design.
33. Supporting
bases of vessels and apparatuses.
34. High
pressure vessels – shapes of covers and packing, connection of cylindrical
shell with cover – examples.
35. Sealing
(packing, tightening) of machine parts – requirements for sealed joints.
36. Examples
of immovable packing, what influences sealing effect?
37. Materials
used for flange sealing – types and kinds, properties, shapes and parameters.
38. Construction
design of immovable sealing for flanges and plate heat exchangers.
39. Sealing
in main or secondary field of force, tightening pressure, effect of screw joint
rigidity.
40. Movable
sealing joints, examples of types, what affects their use?
41. Sealing
without seals – principle of function.
42. Corrosion,
what affects it, types of corrosion.
43. Electrochemical
corrosion of metals, electro-potential, process of corrosion.
44. Anodic
cell, concentration cell, corrosion in gap.
45. Corrosion
of non-homogenous materials, spot corrosion, corrosion splitting.
46. Gas
diffusion at high temperature and pressure in metals, its effect and ways of
protection.
47. Plastics
corrosion, ways of material protection against corrosion.
48. Basic
models of tough materials.
49. Examples
of plasticization utilization for beam bending, coefficient of plasticity.
50. Plasticity
for statically indeterminate structures – structure from 3 beams.
51. Hypothesis
for equivalent stress specification (biaxial stress, Tresc´s hexagon).
52. Basic
procedure of an equipment dimensioning.
53. pi/sK – k diagram for cylindrical
vessels according various hypothesis (in what regions are correct and on a side
of safety).
54. Defining
of equivalent stress for cylindrical vessels with internal pressure according
various hypothesis.
55. Allowed
stress for uniaxial tension (compression) and biaxial stress; Mohr´s circles.
56. Laplace equation for membranes, example of its
utilization for sphere and cylinder.
57. Thermal
dilatations; examples of solution for tubular heat exchanger and piping.
58. Thermal
stress; example for thick-walled cylinder (internal or external pressure,
internal or external heating).
59. Oscillation
of cylindrical structures.
60. Stability
of beam (axial force) and cylinder (axial force, external pressure).
Sketches of apparatuses:
a)
Tubular heat exchanger with fixed tube plate
and baffles.
b)
Tubular heat exchanger with “hair pin tubes”
and baffles.
c)
Tubular heat exchanger with floating head and
baffles.
d)
Jacketed kettle with stirrer (mixer) incl.
inlets and outlets of working fluids.
e)
Packing absorber
f)
Plate column with overflows on every plate
(what is difference in comparison with plates with holes).
g)
Robert type tubular evaporator with internal
circulation.
h)
Falling film tubular evaporator.
i)
Thermo-compressor of vapour.
Oral
examination’s procedure:
3 questions (from groups 1 – 20, 21 – 40 and 41 – 60)
and 1 sketch.
Every student will get 3 questions and will have c. 5
- 10 minutes for preparation (notes, answers, sketches ...) while a previous
one will be examined.
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