6. When do we use Eccentric Reducer and Concentric Reducer?-: when we  terjemahan - 6. When do we use Eccentric Reducer and Concentric Reducer?-: when we  Bahasa Indonesia Bagaimana mengatakan

6. When do we use Eccentric Reducer

6. When do we use Eccentric Reducer and Concentric Reducer?
-: when we want to avoid liquid or gas trapping inside the flow.
7. Why can’t we use Concentric Reducer at pump suction ? Explain.
-: as answer at no. 6, there will be liquid trap, then this will produce hammer or hard vibration
8. What is the different between Machine Bolt and Stud Bolt?
-: guessing…. stud bolt is used to install two flanges. stud bolt can be tightened from two side.
9. When do we need Dampener, Expansion Joint and Mechanical Snubber? and Why?
-: guessing…. dampener & mech snubber are used when calculation meet unstable supporting.
expansion joint is used to reduce reaction force.
10. Do you know the rule of thumb for piping stress analysis around the pump? Please describe.
-: nope. i know only the design criteria of piping system around pump.
11. Do you know the rule of thumb for piping stress analysis around compressors, turbine and heat exchanger? Please describe.
-: nope.
12. Do you know the rule of thumb for piping stress analysis aroound tower or pressure vessel? Please describe.
-: check of piping settlement between header line and tank/vessel nozzle.
13. What is Steam Tracing?
-: same as heat insulation. to keep the delta temperature inside the pipe.
14. Why Full Bore Pipe is using in connecting pipeline of launcher?
-: in order to avoid locking-trip of pigging
15. When checking Piping Stress Sketch, what parameter you normaly need to check?
-: a. line routing & number
b. dimensions & support locations
c. design/operating temperature & pressure
d. pipe specification
e. code & standard
16. What Code you normaly use for checking the Nozzle load on Compressors, Turbine, Heat Exchanger, Pump, Air Cooler?
-: Do you mean standard ?
API Std 611 = NEMA SM23  Turbine
API Std 617  Centrifugal Compressor
API Std 618  Reciprocating Compressor
API Std 661  Air Fin Cooler
API Std 610  Pump
17. What is the ANSI/ASME Code for dimensional Steel Flanges and Fittings?
-: ANSI B16.9 ?
18. Name the Flange Facing.
-: Raised-Face, Flat-Face & Ring-type Joint
19. Do you know the flange facing called as AARH?
-: nope
20. If you would like to make a branch connection, from which side pipe normaly take the branch connection?
-: gas, vertical 90deg. liquid, horizontal 90deg.
21. Control Valve. What kind of support arangement on Control Valve?
-: put supports closer to the valve. add guide on both supports. add stopper on one of the supports.
22. Why do wee need to provide HPV (High Point Vent) and LPD (Low Point Drain) in Piping?
-: to avoid hammer. this usually happening in pocket line.
23. Do you know about Weldolet, Sockolet? Please Explain.
-: weldolet connects header & branch, welded on the surface, with no pipe branch plug into inside pipe; than that is used in sockolet.
24. What is the normal upstream and downstream straight length of orifice flow meter?
-: 5D – 10D ?
25. What is composite flange?
-: flange made from non-metal material ?
26. Do you know about Insulated Joint? Pleas explain.
-: nope
27. What are insulating gasket kits?
-: no, I don’t know
28. Have you done the analysis of Jacketed Piping?
What do you normaly need to consider during analysis?
-: nope. but, I have received lesson about it.
29. What do you need to take into account when performing stress analysis around Tank?
-: pipe settlement. (data of land-lowering around tank.)
30. What is the relation between Brinnell Hardness Number and Rockwell Hardness Number?
-: can’t remember it … hehehe
31. What is the minimum distance between two welds in a pipe?
-: as maximum pipe long per piece ? 6m ?
32. During fabrication, you observed that one small crack has appeared on a fresh plate, what type of measure you will take to obtain desired quality with minimum wastage?
-: i don’t get the idea…
33. Describe the different types of destructive and non-destructive tests?
-: same as no. 32
34. What is PWHT? Why is it required?
-: Post Weld Heat Treatment.
35. What is the minimum thickness of pipe that requires stress relieving to be done as per ASME B31.3?
-: i don’t know
36. What is NACE MR-0175 for?
-: i don’t know
37. Hydrotest Pressure. Do you know how to calculate the test Pressure? Please describe.
-: for B31.3 pipe, hydrotest pressure = 1.5 x MAOP/MAWP for rating 300 & below. for 400# & above, use 1.5 x design pressure.
for B31.8 pipe, HT pressure = 1.1 to 1.5 x design pressure.
38. Do you know heat exchanger? What fluid in Shell Side and what fluid in Tube Side?
-: hot gas or fire in shell and steam-water in tube.
39. Do you know Glandless Piston Valves. Where these valves are used?
-: nope
40. Have you done estimation of piping system during proposal? How do you do that?
-: by separating first, all line number into critical lines and non-critical ones. then connect all critical lines into a system and made them in amount of calculation numbers.
41. Why do we need to do Stress Analysis?
-: to ensure safety in piping design, in its systems.
42. What are the steps in piping stress analysis?
-: gather all data needed, make pipe stress sketch (put nodal numbers in it) as per critical line list, calculate to analyze, manually (simplified method) or by computer software, reporting.
43. Tell me about the type of the stressess during normal operation?
-: primary (sustain) and secondary (thermal)
44. What do you need to prepare and and then to input into CAESAR II or Autopipe for Stress Analysis?
-: Code used, design pressure, design/operating temperature, test pressure, material properties (size, material type, sch./w.t, CA, SY/SC/SH, poisson ratio, pipe density), fluid density, insulation data (type & density), support location, equipment data, environment data.
45. What type of loads available in the stresss analysis calculation? Please Explain.
-: sustain load : inside pressure, pipe (incl. valves, flanges, etc.) weight
thermal load : ambient, design & operating temperatures
46. Do you know about Load Cases in Stress Analysis? Please Explain.
-: normal are sustain, operating & expansion load.
additional are environtment load & mechanical load.
47. What is Load Case for Sustained Load, Expansion Load, Stress Range, Occasional Load, Spring?
-: sustain : weight (specific gravity/density) + inside pressure
expansion : delta temperature
stress range : — i don’t know —
occasional : wind, earthquake/seismic, external force, slug/hammer, reaction froce of PSV
48. What is the failure theory under ASME B31.3?
-: SL (sustain) >< SY
49. Do you know what type of piping failure during its operation?
-:
50. What is the desired life cycle for piping during operation?
-: based on ASME B31.3, around 7000 cycles
51. How to calculate thermal expansion in a pipe?
-: delta L = exp. coeff. x delta T x L
52. Do you know SIF (Stress Intensification Factor)? Explain and give some examples?
-: stress max value occuring because of material repositioning.
ex. : tee, ellbow
53. Pipe Support. What is the pipe support span?
-: distance between two pipe supporting point.
54. What is the criteria to determine the span of pipe support?
-: depend on size + wall thk. & fluid density
55. How do we decide an anchor point at Expansion Loop on pipe rack?
-: near to end of pipe rack.
56. What is the steam out condition?
-: i don’t know… :(
57. On Heat Exchanger, where do you provide an anchor support and slotted support? and Why?
-: support near to inlet & outlet nozzle should be slotted support. then another one is anchor/fixed support.
58. Do you know PTFE on Support? Why we need that?
-: when we don’t want over-force (vertical and/or horizontal) acting at pipe support.
59. Tell me about spring support.Why we need it? And how many type of spring support? Explain as much as you can.
-: Spring support is needed to absorb over load (force) or over displacement occured becuse of restrained-pipe.
type of spring : variable & constant
variable is used when there is sufficient distance around pipe, so that the spring support can travel thoroughly. this is used for absorp over-force reacted at rigid-type support.
constant is used when there is only small dimension of distance. this is used as variable plus stabilize center position of pipe in the system.
0/5000
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Hasil (Bahasa Indonesia) 1: [Salinan]
Disalin!
6. Kapan kita menggunakan peredam eksentrik dan Reducer konsentris?
-: ketika kita ingin menghindari cairan atau gas perangkap dalam aliran.
7. Mengapa kita tidak bisa menggunakan Reducer konsentris isap pompa? Menjelaskan.
-: sebagai jawaban di No 6, akan ada perangkap cair, maka ini akan menghasilkan palu atau keras getaran
8. Apakah perbedaan antara mesin baut dan Stud Bolt?
-: menebak-nebak... Stud bolt digunakan untuk menginstal dua flensa. Stud bolt dapat diperketat dari dua sisi.
9. Ketika kita membutuhkan Dampener, Expansion Joint dan mekanik Snubber? dan mengapa?
-: menebak... dampener & mech snubber digunakan ketika perhitungan bertemu stabil mendukung.
dilatasi digunakan untuk mengurangi reaksi Angkatan.
10. Apakah Anda tahu aturan untuk pipa stres analisis di sekitar pompa? Jelaskan.
-: nope. Aku tahu hanya kriteria desain sistem perpipaan sekitar pompa.
11. Apakah Anda tahu aturan untuk pipa stres analisis sekitar kompresor, turbin dan penukar panas? Jelaskan.
-: nope.
12. Apakah Anda tahu aturan untuk pipa stres analisis aroound tower atau bejana? Jelaskan.
-: Periksa pipa penyelesaian antara header baris dan tangki kapal nozzle.
13. Apa adalah uap Tracing?
-: sama seperti isolasi panas. untuk menjaga suhu delta di dalam pipa.
14. Mengapa penuh melahirkan pipa menggunakan dalam menghubungkan pipa peluncur?
-: untuk menghindari mengunci-perjalanan dari pigging
15. Ketika memeriksa pipa stres sketsa, apa parameter normaly Anda perlu memeriksa?
-: a. baris nomor routing &
b. dimensi & didukung Lokasi
c. Desain/operasi suhu & tekanan
d. pipa spesifikasi
e. kode & standar
16. Apa kode Anda normaly digunakan untuk memeriksa beban Nozzle kompresor, turbin, Heat Exchanger, pompa, pendingin udara?
-: maksudmu standar?
API Std 611 =  NEMA SM23 turbin
 API Std 617 sentrifugal Compressor
 API Std 618 Reciprocating kompresor
 API Std 661 Air Fin Cooler
API Std 610  pompa
17. Apa ada kode ANSI ASME untuk dimensi baja flensa dan Fitting?
-: ANSI B16.9?
18. Nama menghadap Flange.
-: dibesarkan-wajah, wajah datar & jenis dering Joint
19. Apakah Anda tahu menghadap flange disebut sebagai AARH?
-: nope
20. Jika Anda ingin membuat sambungan cabang, dari sisi mana pipa normaly mengambil sambungan cabang?
-: gas, vertikal 90deg. cairan, horisontal 90deg.
21. Katup kontrol. Apa jenis dukungan arangement pada Control Valve?
-: menempatkan mendukung lebih dekat ke katup. Tambahkan panduan mendukung kedua. Tambahkan stopper pada salah satu dari mendukung.
22. Mengapa wee kebutuhan untuk memberikan HPV (High Point ventilasi) dan LPD (rendah titik Tiriskan) di Piping?
-: untuk menghindari palu. ini biasanya terjadi dalam saku jalur.
23. Apakah Anda tahu tentang Weldolet, Sockolet? Silahkan menjelaskan.
-: weldolet menghubungkan header & cabang, dilas pada permukaan, dengan tidak ada pipa cabang plug ke dalam pipa; daripada yang digunakan dalam sockolet.
24. Apa adalah normal hulu dan hilir lurus panjang orifice aliran meter?
-: 5D – 10D?
25. Apakah komposit flange?
-: flange yang terbuat dari bahan non-logam?
26. Apakah Anda tahu tentang terisolasi bersama? Permohonan menjelaskan.
-: nope
27. Apa adalah isolasi paking kit?
-: tidak, aku tidak tahu
28. Apakah Anda melakukan analisis jas Piping?
apa yang perlu Anda normaly mempertimbangkan selama analisis?
-: nope. Tapi, saya telah menerima pelajaran tentang IT
29. Apa yang Anda butuhkan untuk memperhitungkan saat melakukan analisis stres di sekitar tangki?
-: pipa penyelesaian. (data penurun tanah di sekitar tangki.)
30. Apakah hubungan antara Brinnell kekerasan nomor dan nomor kekerasan Rockwell?
-: tidak ingat... hehehe
31. Berapakah minimal jarak antara dua lasan pada pipa?
-: sebagai maksimum pipa panjang per potong? 6m?
32. Selama fabrikasi, Anda mengamati celah kecil yang satu telah muncul di piring segar, ukuran jenis apa yang akan Anda ambil untuk mendapatkan kualitas yang diinginkan dengan minimal pemborosan?
-: saya tidak mendapatkan ide...
33. Menggambarkan jenis-jenis destruktif dan non-destruktif tes?
-: sama seperti nomor 32
34. Apa yang dimaksud dengan PWHT? Mengapa diperlukan?
-: Post Weld Heat Treatment.
35. Apa adalah minimum ketebalan pipa yang memerlukan menghilangkan harus dilakukan sesuai dengan ASME B31.3 stres?
-: saya tidak tahu
36. Apakah NACE MR-0175 untuk?
-: saya tidak tahu
37. Tekanan HYDROTEST. Apakah Anda tahu bagaimana menghitung tes tekanan? Jelaskan.
-: untuk B31.3 pipa, tekanan hydrotest = 1.5 x MAOP/MAWP untuk peringkat 300 & di bawah ini. untuk & 400# di atas, gunakan 1.5 x desain tekanan.
untuk pipa B31.8, HT tekanan = 1.1-1,5 x desain tekanan.
38. Apakah Anda tahu penukar panas? Apa cairan di sisi Shell dan apa cairan dalam tabung sisi?
-: gas panas atau api dalam shell dan uap air dalam tabung
39. Apakah Anda tahu Glandless katup Piston. Mana katup ini digunakan?
-: nope
40. Apakah Anda melakukan estimasi sistem perpipaan selama proposal? Bagaimana Anda melakukannya?
-: dengan memisahkan pertama, nomor baris semua menjadi jalur kritis dan orang-orang non-kritis. kemudian menghubungkan semua jalur kritis ke dalam sistem dan membuat mereka dalam jumlah perhitungan nomor.
41. Mengapa kita perlu untuk melakukan analisis stres?
-: untuk memastikan keselamatan dalam desain pipa, dalam sistem.
42. Apakah langkah-langkah dalam pipa stres analisis?
-: mengumpulkan semua data yang diperlukan, membuat pipa stres sketsa (meletakkan nodal angka di dalamnya) sesuai jalur kritis daftar, menghitung untuk menganalisis, secara manual (disederhanakan metode) atau oleh perangkat lunak komputer, pelaporan.
43. Ceritakan tentang jenis stressess selama operasi normal?
-: utama (mempertahankan) dan menengah (thermal)
44. Apa yang Anda butuhkan untuk mempersiapkan dan kemudian masukan kedalam CAESAR II atau Autopipe untuk stres analisis?
-: kode digunakan, desain tekanan, suhu, desain/operasi tes tekanan, sifat-sifat material (ukuran, jenis bahan, sch./w.t, CA, SY/SC/SH nisbah poisson, pipa kepadatan), mendukung kepadatan cairan, isolasi data (jenis & kepadatan), lokasi, peralatan data, lingkungan data.
45. Apa jenis beban tersedia dalam stresss analisis perhitungan? Silahkan menjelaskan.
-: mempertahankan beban: dalam tekanan, berat pipa (termasuk katup, flensa, dll)
beban termal: ambient, desain & operasi suhu
46. Apakah Anda tahu tentang kasus beban stres analisis? Silahkan menjelaskan.
-: normal mempertahankan, beroperasi & ekspansi beban.
tambahan adalah lingkungan beban & mekanis beban.
47. Apa beban hal untuk berkelanjutan beban, ekspansi beban, stres Range, kadang-kadang beban, Spring?
-: mempertahankan: berat (gravitasi spesifik/density) di dalam tekanan
ekspansi: delta suhu
stres berbagai:-saya tidak tahu —
sesekali: angin, gempa bumi dan seismik, kekuatan eksternal, siput palu, reaksi froce PSV
48. Apakah teori kegagalan di bawah ASME B31.3?
-: SL (mempertahankan) mengatakan < SY
49. Apakah Anda tahu apa jenis pipa kegagalan selama operasi?
-:
50. Apakah siklus hidup yang diinginkan untuk pipa selama operasi?
-: Berdasarkan ASME B31.3, sekitar 7000 siklus
51. Bagaimana menghitung ekspansi termal di pipa?
-: delta L = coeff SMA STM. x delta T x L
52. Apakah Anda tahu SIF (stres intensifikasi faktor)? Menjelaskan dan memberikan beberapa contoh?
-: stres nilai maks terjadi karena bahan reposisi.
Keluaran: tee, ellbow
53. Pipe Support. Apakah pipa dukungan rentang?
-: jarak antara dua pipa penunjang titik.
54. Apakah kriteria untuk menentukan rentang pipa dukungan?
-: tergantung pada ukuran dinding thk. Kepadatan cairan &
55. Bagaimana kita memutuskan titik anchor pada ekspansi Loop pada rak pipa tembakau?
-: dekat akhir pipa rack.
56. Apa adalah uap keluar kondisi?
-: Aku tidak tahu...:(
57. Pada Heat Exchanger, dimana Apakah Anda menyediakan dukungan jangkar dan dukungan slotted? dan mengapa?
-: dukungan dekat inlet & outlet nozzle harus ditempatkan dukungan. Kemudian satu lagi adalah jangkar/tetap dukungan.
58. Apakah Anda tahu PTFE dukungan? Mengapa kita membutuhkan yang?
-: ketika kita tidak ingin kekuatan yang berlebihan (vertikal dan/atau horisontal) bertindak di pipa support.
59. ceritakan mengenai dukungan musim semi.Mengapa kita membutuhkannya? Dan berapa banyak jenis dukungan musim semi? Menjelaskan sebanyak yang Anda bisa
-: Spring dukungan yang diperlukan untuk menyerap atas beban (gaya) atau atas pemindahan terjadi becuse dari terkendali-pipa.
jenis spring: variabel & konstan
variabel yang digunakan ketika ada jarak cukup di sekitar pipa, sehingga dukungan musim semi yang dapat melakukan perjalanan secara menyeluruh. ini digunakan untuk menyerap kekuatan over bereaksi pada kaku-jenis dukungan
konstan digunakan ketika ada hanya dimensi yang kecil jarak. Hal ini digunakan sebagai variabel ditambah menstabilkan posisi tengah pipa sistem.
Sedang diterjemahkan, harap tunggu..
Hasil (Bahasa Indonesia) 2:[Salinan]
Disalin!
6. When do we use Eccentric Reducer and Concentric Reducer?
-: when we want to avoid liquid or gas trapping inside the flow.
7. Why can’t we use Concentric Reducer at pump suction ? Explain.
-: as answer at no. 6, there will be liquid trap, then this will produce hammer or hard vibration
8. What is the different between Machine Bolt and Stud Bolt?
-: guessing…. stud bolt is used to install two flanges. stud bolt can be tightened from two side.
9. When do we need Dampener, Expansion Joint and Mechanical Snubber? and Why?
-: guessing…. dampener & mech snubber are used when calculation meet unstable supporting.
expansion joint is used to reduce reaction force.
10. Do you know the rule of thumb for piping stress analysis around the pump? Please describe.
-: nope. i know only the design criteria of piping system around pump.
11. Do you know the rule of thumb for piping stress analysis around compressors, turbine and heat exchanger? Please describe.
-: nope.
12. Do you know the rule of thumb for piping stress analysis aroound tower or pressure vessel? Please describe.
-: check of piping settlement between header line and tank/vessel nozzle.
13. What is Steam Tracing?
-: same as heat insulation. to keep the delta temperature inside the pipe.
14. Why Full Bore Pipe is using in connecting pipeline of launcher?
-: in order to avoid locking-trip of pigging
15. When checking Piping Stress Sketch, what parameter you normaly need to check?
-: a. line routing & number
b. dimensions & support locations
c. design/operating temperature & pressure
d. pipe specification
e. code & standard
16. What Code you normaly use for checking the Nozzle load on Compressors, Turbine, Heat Exchanger, Pump, Air Cooler?
-: Do you mean standard ?
API Std 611 = NEMA SM23  Turbine
API Std 617  Centrifugal Compressor
API Std 618  Reciprocating Compressor
API Std 661  Air Fin Cooler
API Std 610  Pump
17. What is the ANSI/ASME Code for dimensional Steel Flanges and Fittings?
-: ANSI B16.9 ?
18. Name the Flange Facing.
-: Raised-Face, Flat-Face & Ring-type Joint
19. Do you know the flange facing called as AARH?
-: nope
20. If you would like to make a branch connection, from which side pipe normaly take the branch connection?
-: gas, vertical 90deg. liquid, horizontal 90deg.
21. Control Valve. What kind of support arangement on Control Valve?
-: put supports closer to the valve. add guide on both supports. add stopper on one of the supports.
22. Why do wee need to provide HPV (High Point Vent) and LPD (Low Point Drain) in Piping?
-: to avoid hammer. this usually happening in pocket line.
23. Do you know about Weldolet, Sockolet? Please Explain.
-: weldolet connects header & branch, welded on the surface, with no pipe branch plug into inside pipe; than that is used in sockolet.
24. What is the normal upstream and downstream straight length of orifice flow meter?
-: 5D – 10D ?
25. What is composite flange?
-: flange made from non-metal material ?
26. Do you know about Insulated Joint? Pleas explain.
-: nope
27. What are insulating gasket kits?
-: no, I don’t know
28. Have you done the analysis of Jacketed Piping?
What do you normaly need to consider during analysis?
-: nope. but, I have received lesson about it.
29. What do you need to take into account when performing stress analysis around Tank?
-: pipe settlement. (data of land-lowering around tank.)
30. What is the relation between Brinnell Hardness Number and Rockwell Hardness Number?
-: can’t remember it … hehehe
31. What is the minimum distance between two welds in a pipe?
-: as maximum pipe long per piece ? 6m ?
32. During fabrication, you observed that one small crack has appeared on a fresh plate, what type of measure you will take to obtain desired quality with minimum wastage?
-: i don’t get the idea…
33. Describe the different types of destructive and non-destructive tests?
-: same as no. 32
34. What is PWHT? Why is it required?
-: Post Weld Heat Treatment.
35. What is the minimum thickness of pipe that requires stress relieving to be done as per ASME B31.3?
-: i don’t know
36. What is NACE MR-0175 for?
-: i don’t know
37. Hydrotest Pressure. Do you know how to calculate the test Pressure? Please describe.
-: for B31.3 pipe, hydrotest pressure = 1.5 x MAOP/MAWP for rating 300 & below. for 400# & above, use 1.5 x design pressure.
for B31.8 pipe, HT pressure = 1.1 to 1.5 x design pressure.
38. Do you know heat exchanger? What fluid in Shell Side and what fluid in Tube Side?
-: hot gas or fire in shell and steam-water in tube.
39. Do you know Glandless Piston Valves. Where these valves are used?
-: nope
40. Have you done estimation of piping system during proposal? How do you do that?
-: by separating first, all line number into critical lines and non-critical ones. then connect all critical lines into a system and made them in amount of calculation numbers.
41. Why do we need to do Stress Analysis?
-: to ensure safety in piping design, in its systems.
42. What are the steps in piping stress analysis?
-: gather all data needed, make pipe stress sketch (put nodal numbers in it) as per critical line list, calculate to analyze, manually (simplified method) or by computer software, reporting.
43. Tell me about the type of the stressess during normal operation?
-: primary (sustain) and secondary (thermal)
44. What do you need to prepare and and then to input into CAESAR II or Autopipe for Stress Analysis?
-: Code used, design pressure, design/operating temperature, test pressure, material properties (size, material type, sch./w.t, CA, SY/SC/SH, poisson ratio, pipe density), fluid density, insulation data (type & density), support location, equipment data, environment data.
45. What type of loads available in the stresss analysis calculation? Please Explain.
-: sustain load : inside pressure, pipe (incl. valves, flanges, etc.) weight
thermal load : ambient, design & operating temperatures
46. Do you know about Load Cases in Stress Analysis? Please Explain.
-: normal are sustain, operating & expansion load.
additional are environtment load & mechanical load.
47. What is Load Case for Sustained Load, Expansion Load, Stress Range, Occasional Load, Spring?
-: sustain : weight (specific gravity/density) + inside pressure
expansion : delta temperature
stress range : — i don’t know —
occasional : wind, earthquake/seismic, external force, slug/hammer, reaction froce of PSV
48. What is the failure theory under ASME B31.3?
-: SL (sustain) >< SY
49. Do you know what type of piping failure during its operation?
-:
50. What is the desired life cycle for piping during operation?
-: based on ASME B31.3, around 7000 cycles
51. How to calculate thermal expansion in a pipe?
-: delta L = exp. coeff. x delta T x L
52. Do you know SIF (Stress Intensification Factor)? Explain and give some examples?
-: stress max value occuring because of material repositioning.
ex. : tee, ellbow
53. Pipe Support. What is the pipe support span?
-: distance between two pipe supporting point.
54. What is the criteria to determine the span of pipe support?
-: depend on size + wall thk. & fluid density
55. How do we decide an anchor point at Expansion Loop on pipe rack?
-: near to end of pipe rack.
56. What is the steam out condition?
-: i don’t know… :(
57. On Heat Exchanger, where do you provide an anchor support and slotted support? and Why?
-: support near to inlet & outlet nozzle should be slotted support. then another one is anchor/fixed support.
58. Do you know PTFE on Support? Why we need that?
-: when we don’t want over-force (vertical and/or horizontal) acting at pipe support.
59. Tell me about spring support.Why we need it? And how many type of spring support? Explain as much as you can.
-: Spring support is needed to absorb over load (force) or over displacement occured becuse of restrained-pipe.
type of spring : variable & constant
variable is used when there is sufficient distance around pipe, so that the spring support can travel thoroughly. this is used for absorp over-force reacted at rigid-type support.
constant is used when there is only small dimension of distance. this is used as variable plus stabilize center position of pipe in the system.
Sedang diterjemahkan, harap tunggu..
 
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