Ngokuqondene nolwazi oluyisisekelo lwezobuchwepheshe lwe-generator evamile, injini ye-diesel kanye nesethi, sayithakazelisa ngendlela yombuzo nezimpendulo eminyakeni embalwa edlule, futhi manje iphindaphindiwe ngesicelo sabanye abasebenzisi. Njengoba ubuchwepheshe obunye bubuyekeziwe futhi bathuthukiswa, okuqukethwe okulandelayo kungokwereferensi kuphela:
1. Yiziphi izinhlelo eziyisithupha ezifakwe ezintweni eziyisisekelo zesethi yejeneretha yedizili?
A: (1) isistimu yokugcoba uphethiloli; (2) Isistimu yesibaseli; (3) Uhlelo lokulawula nokuvikela; (4) Ukupholisa kanye nohlelo lwemisebe; (5) Isistimu yokukhipha umoya; (6) Uhlelo lokuqala;
2. Kungani sincoma uphethiloli otuswa izinkampani ezingochwepheshe emsebenzini wethu wokuthengisa?
A: Uphethiloli uyigazi lenjini. Uma ikhasimende selisebenzise uphethiloli ongafanelekile, izingozi ezimbi njengokuluma amagobolondo, ukusika izinyo legiya, ukuwohloka kwe-crankshaft kanye nokuphuka kwenjini kuze kube yilapho umshini uchitheka wonke. Ukukhetha okukhethekile kukaphethiloli kanye nezinyathelo zokuphepha zokusetshenziswa kunemininingwane kuma-athikili afanelekile kulolu hlobo.
3. Kungani umshini omusha udinga ukushintsha uphethiloli nesihlungi sikaphethiloli ngemva kwesikhathi esithile?
IMP: Ngesikhathi sokusebenza, ukungcola kungena epanini likaphethiloli nakanjani, okubangela ukonakala ngokomzimba noma kwamakhemikhali kuphethiloli nesihlungi sikaphethiloli. Isevisi yamakhasimende ngemva kokuthengisa kanye nenqubo yenkontileka yamasethi athengiswa ngu-Wuhan Jili, sizoba nabasebenzi abangochwepheshe abazokwenzela ukunakekelwa okufanele.
4. Kungani sidinga ukuthi ikhasimende litshekise ipayipi le-exhaust phansi ngamadigri angu-5-10 lapho lifaka isethi?
A: Ngokuyinhloko ukuvikela amanzi emvula ukuthi angangeni epayipini lentuthu, okuholela ezingozini ezinkulu.
5. Iphampu yamafutha okwenziwa ngesandla kanye ne-exhaust bolt kufakwa enjinini ejwayelekile yedizili. Uyini umsebenzi wabo?
A: Ukukhipha umoya kulayini kaphethiloli ngaphambi kokuqala.
6. Ihlukaniswe kanjani izinga le-automation yesethi yejeneretha kadizili?
A: Imanuwali, ukuziqalela ngokwakho, ukuziqalisa kanye nekhabhinethi yokuguqula amandla okuzenzakalelayo, isilawuli kude esikude (isilawuli kude, ukulinganisa okukude, ukuqapha okukude).
7. Kungani izinga le-voltage eliphumayo lejeneretha lingu-400V esikhundleni sika-380V?
A: Ngoba kukhona ukwehla kwamandla kagesi emugqeni ngemva kokucisha.
8. Kungani kudingeka ukuthi indawo yokusebenzisa isethi yejeneretha kadizili ibe nomoya opholile?
IMPENDULO: Okukhiphayo injini yedizili kuthintwa ngokuqondile ubungako kanye nekhwalithi yomoya emuncwa ngaphakathi. Ngaphezu kwalokho, ijeneretha kufanele ibe nomoya owanele wokupholisa. Ngakho-ke, ukusetshenziswa kwendawo kufanele kube umoya-bushelelezi.
9. Kungani kungafanele amasethi amathathu angenhla aboshwe aqine kakhulu ngamathuluzi lapho kufakwa isihlungi sikaphethiloli, isihlungi sikadizili nesihlukanisi samanzi aphehla uphethiloli, kodwa ngesandla kuphela ukuze kugwenywe ukuvuza kukaphethiloli?
IMP: Ngoba uma indandatho yokuvala iboshwe iqine kakhulu, izokhula ngaphansi kwesenzo samabhamuza kaphethiloli kanye nokukhuphuka kwezinga lokushisa lomzimba, okuholela ekucindezelekeni okukhulu. Ukulimala kwesihlungi sendlu noma isihlukanisi sezindlu ngokwaso. Okubi nakakhulu ukulimala kwe-dysprosium yomzimba ongalungiseki.
10. Ungahlukanisa kanjani phakathi kwezinjini zomgunyathi nezingamanga zasekhaya zikadizili?
IMP: Kuyadingeka ukuthi kubhekwe ukuthi zikhona yini izitifiketi zomkhiqizi kanye nezitifiketi zomkhiqizo, “okuyizitifiketi zokuhlonza” zomkhiqizi wenjini kadizili. Hlola izinombolo ezintathu ezinkulu esitifiketini 1) Inombolo ye-Nameplate;
2) Inombolo ye-Airframe (i-typeface i-convex endizeni eyenziwe ngomshini ye-flywheel end in uhlobo); 3) Yisho inombolo yepuleti lephampu yamafutha. Izinombolo ezintathu ezinkulu kufanele zihlolwe kahle ngokuqhathanisa nezinombolo zangempela zenjini kadizili. Uma kukhona ukungabaza okutholakele, lezi zinombolo ezintathu zingabikwa kumkhiqizi ukuze ziqinisekiswe.
11. Ngemva kokuba osebenza ngogesi ethatha isethi yejeneretha yedizili, yimaphi amaphuzu amathathu okufanele ahlolwe kuqala?
A: 1) Qinisekisa amandla eqiniso awusizo wesethi. Bese unquma amandla ezomnotho namandla ayisipele. Indlela yokuqinisekisa amandla eqiniso awusizo esethi iwukuphindaphinda amandla alinganiselwe amahora angu-12 enjini kadizili ngo-0.9 ukuze uthole idatha (kw). Uma amandla alinganiselwe ejeneretha engaphansi noma elingana nale datha, khona-ke amandla alinganiselwe we-generator asethwa njengamandla awusizo esethi. Uma amandla alinganiselwe ejeneretha emakhulu kunale datha, le datha kufanele isetshenziswe njengamandla awusizo esethi.
2) Qinisekisa imisebenzi yokuzivikela yesethi. 3) Qinisekisa ukuthi izintambo zamandla zesethi zifanelekile yini, noma ngabe isisekelo sokuvikela sithembekile nokuthi ingabe umthwalo wezigaba ezintathu ulinganiselwe ngokuyisisekelo.
12. Isiqalisi sekheshi esisodwa singama-22KW. Isethi yejeneretha kufanele ibe yimuphi usayizi?
A: 22*7=154KW (ikheshi lilayishwa ngokuqondile isiqalisi, ukuqalisa okusheshayo kwamanje kuvamise izikhathi ezingu-7 zamanje ezilinganiselwe).
Kungaleso sikhathi kuphela lapho ikheshi lingakwazi ukuhamba ngesivinini esingaguquki). (okungenani isethi yejeneretha engu-154KW)
13. Ungabala kanjani amandla okusebenza angcono kakhulu (amandla ezomnotho) wesethi ye-generator?
A: P muhle = 3/4*P isilinganiso (okungukuthi 0.75 izikhathi ezilinganiselwe amandla).
14. Ingabe umbuso ubeka ukuthi amandla enjini esethi yejeneretha makhulu kakhulu kunalawo ejeneretha?
A: 10.
15. Ungawaguqula kanjani amandla enjini amanye amasethi ejeneretha abe yi-kW?
A: 1 HP = 0.735 kW kanye no-1 kW = 1.36 hp.
16. Ungabala kanjani i-generator yesigaba sesithathu?
A: Mina = P / (3 Ucos) φ ) Okusho ukuthi, okwamanje = amandla (watt) / (3 *400 (volt) * 0.8).
Ifomula elula ithi: I(A) = set power rated (KW) * 1.8
17. Ubudlelwano phakathi kwamandla abonakalayo, amandla asebenzayo, amandla alinganiselwe, amandla amakhulu namandla ezomnotho?
A: 1) Ngokucabangela isethi yamandla abonakalayo njenge-KVA, i-China isetshenziselwa ukuveza umthamo wama-transformer kanye ne-UPS.
2) Amandla asebenzayo izikhathi ezingu-0.8 zamandla abonakalayo kumasethi e-KW. Kuwumkhuba wemishini yokuphehla amandla kanye nemishini kagesi e-China.
3) Amandla alinganisiwe wesethi yejeneretha yedizili amandla angasebenza ngokuqhubekayo amahora ayi-12.
4) Amandla aphezulu izikhathi ezingu-1.1 amandla alinganiselwe, kodwa ihora elingu-1 kuphela elivunyelwe ukusetshenziswa phakathi kwamahora angu-12.
I-5) Amandla ezomnotho izikhathi ezingu-0.75 zamandla alinganiselwe, okungamandla okukhipha amasethi e-generator diesel angasebenza isikhathi eside ngaphandle komkhawulo wesikhathi. Kula mandla, ukonga kukaphethiloli nezinga lokwehluleka liphansi.
18. Kungani amasethi akhiqiza udizili engavunyelwe ukusebenza isikhathi eside ngaphansi kuka-50% wamandla alinganisiwe?
A: Ukwenyuka kokusetshenziswa kukaphethiloli, ukupheka kalula kwenjini kadizili, izinga lokuhluleka elikhuphukile kanye nomjikelezo wokulungisa ofinyeziwe.
19. Ingabe amandla angempela okukhipha ijeneretha asebenza ngokuvumelana nemitha yamandla noma i-ammeter?
A: I-ammeter iyireferensi kuphela.
20. I-frequency kanye ne-voltage yesethi ye-generator azinzile. Inkinga ukuthi injini noma i-generator?
A: Yinjini.
21. Ukuzinza kwe-frequency yesethi ye-generator kanye nokungaqini kwe-voltage inkinga yenjini noma i-generator?
A: Yijeneretha.
22. Kwenzekani ekulahlekelweni kwe-excitation ye-generator nendlela yokubhekana nayo?
IMP: Ijeneretha ayisetshenziswa isikhathi eside, okuholela ekulahlekeni kukazibuthe osalayo oqukethwe kumgogodla wensimbi ngaphambi kokushiya imboni. I-cfuel evusa amadlingozi ayikwazi ukusungula inkambu kazibuthe okufanele ibe nayo. Ngalesi sikhathi, injini isebenza ngokujwayelekile kodwa ayikwazi ukukhiqiza ugesi. Lesi simo sisha. Noma ukungasebenzisi isikhathi eside kwamasethi amaningi.
Indlela yokucubungula: 1) Cindezela inkinobho yokuvusa kanye ngenkinobho yokuvusa, 2) Ishaje ngebhethri, 3) Thatha isilayidi bese ugijima phezu kwesivinini imizuzwana embalwa.
23. Ngemva kwesikhathi esithile, isethi ye-generator ithola ukuthi konke okunye kujwayelekile kodwa amandla ayancipha. Yisiphi isizathu esiyinhloko?
A: a. Isihlungi somoya singcole kakhulu ukuthi singamunca umoya owanele. Ngalesi sikhathi, isihlungi somoya kufanele sihlanzwe noma sishintshwe.
B. Isihlungi sikaphethiloli singcole kakhulu futhi nenani likaphethiloli elijovwe alanele. Kufanele ishintshwe noma ihlanzwe. C. Isikhathi sokuthungela asilungile futhi kufanele silungiswe.
24. Uma isethi ye-generator ilayishwa, i-voltage yayo kanye nemvamisa azinzile, kodwa okwamanje ayizinzile. Yini inkinga?
A: Inkinga ukuthi umthwalo wekhasimende awuzinzile futhi ikhwalithi yejeneretha ilungile ngokuphelele.
25. Ukungaqini kwemvamisa yesethi yejeneretha. Yiziphi izinkinga eziyinhloko?
A: Inkinga enkulu ijubane elingazinzile lejeneretha.
26. Yimaphi amaphuzu abaluleke kakhulu okufanele anakwe lapho kusetshenziswa isethi yejeneretha yedizili?
A: 1) Amanzi ethangini kufanele anele futhi asebenze ngaphakathi kwebanga lokushisa elivumelekile.
2) Uphethiloli wokugcoba kufanele ube endaweni, kodwa ungabi kakhulu, futhi usebenze ngaphakathi kwebanga lokucindezela elivumelekile. 3) Imvamisa izinzile cishe ku-50HZ futhi i-voltage izinzile cishe ku-400V. 4) Umthamo wezigaba ezintathu ungaphakathi kwebanga elilinganiselwe.
27. Zingaki izingxenye amasethi ejeneretha edizili adinga ukushintshwa noma ahlanzwe njalo?
A: Isihlungi sikaphethiloli we-diesel, isihlungi sikaphethiloli, isihlungi somoya. (amasethi angawodwana nawo anezihlungi zamanzi)
28. Yiziphi izinzuzo eziyinhloko ze-generator brushless?
A: (1) Khipha ukugcinwa kwe-carbon brush; (2) Ukuphazanyiswa komsakazo; (3) Yehlisa ukulahleka kwephutha lokuvusa.
29. Liyini izinga elijwayelekile lokwahlukanisa lamajeneretha asekhaya?
A: Umshini wasekhaya Ikilasi B; Imishini yohlobo lweMarathon, imishini yohlobo lwe-Lillisenma kanye nemishini yohlobo lwe-Stanford iyi-Class H.
30. Imuphi uphethiloli wenjini kaphethiloli odinga ukuxutshwa kukaphethiloli nophethiloli?
A: Injini kaphethiloli enemivimbo emibili.
31. Yiziphi izimo zokusetshenziswa kwamasethi amabili ejeneretha ngokuhambisana? Iyiphi idivayisi esetshenziselwa ukuqedela nomsebenzi womshini?
A: Umbandela wokusebenza okufanayo ukuthi i-voltage esheshayo, imvamisa kanye nesigaba semishini emibili kuyafana. Okuvame ukubizwa ngokuthi "okuthathu kanyekanye". Sebenzisa idivayisi ekhethekile ehambisana nomshini ukuze uqedele umsebenzi ohambisana nomshini. Ikhabhinethi ezenzakalelayo ngokugcwele ngokuvamile iyanconywa. Zama ukungahlanganisi ngesandla. Ngoba impumelelo noma ukwehluleka kokuhlanganisa okwenziwa ngesandla kuncike kokuhlangenwe nakho komuntu. Njengoba esenesipiliyoni seminyaka engaphezu kwengu-20 emsebenzini wamandla kagesi, umbhali usho ngesibindi ukuthi izinga lempumelelo elithembekile lokuhambisana kwamajeneretha kadizili lilingana no-0. Ungalokothi usebenzise umqondo wokushunqa ngesandla ukuze usebenzise uhlelo oluncane lokuphakelwa kukagesi kuMsakazo kaMasipala kanye ne-TV University ugesi. uhlelo, ngoba amazinga okuvikela amasistimu womabili ahluke kakhulu.
32. Iyini isici samandla we-generator yezigaba ezintathu? Ingabe isinxephezelo samandla singengezwa ukuze kuthuthukiswe isici samandla?
A: Isici samandla ngu-0.8. Cha, ngoba ukushaja nokukhishwa kwama-capacitor kuzodala ukuguquguquka okuncane kwamandla. Bese usetha i-oscillation.
33. Kungani sicela amakhasimende ethu ukuthi aqinise zonke izinto ezithinta ugesi ngemva kwamahora angu-200 wokusebenza okuhleliwe?
A: Isethi yejeneretha yedizili iyisisebenzi sokudlidliza. Futhi amasethi amaningi athengiswa noma ahlanganiswe ekhaya kufanele asebenzise amantongomane aphindwe kabili. I-gasket yasentwasahlobo ayinamsebenzi. Uma izinsimbi zikagesi sezikhululekile, kuzovela ukumelana nokuxhumana okukhulu, okuzokwenza ukuthi isethi isebenze ngendlela engavamile.
34. Kungani igumbi lokuphehla ugesi kufanele lihlanzeke futhi lingabi nesihlabathi esintantayo?
A: Uma injini kadizili ihogela umoya ongcolile, izonciphisa amandla ayo. Uma i-generator imunca esihlabathini nokunye ukungcola, ukufakwa phakathi kwe-stator nezikhala ze-rotor kuzolimala, noma kushiswe.
35. Kungani kungazange kunconywe ukuthi abasebenzisi basebenzise isisekelo esimaphakathi ekufakweni kusukela eminyakeni yakamuva?
A: 1) Umsebenzi wokuzilawula wegenerator yesizukulwane esisha uthuthukiswe kakhulu;
2) Kutholakala ekusebenzeni ukuthi izinga lokuhluleka kombani lokubeka phansi okuphakathi nendawo liphezulu uma kuqhathaniswa.
3) Isidingo sekhwalithi yokubeka phansi siphezulu futhi asikwazi ukufinyelelwa abasebenzisi abavamile. Indawo yokusebenza engaphephile ingcono kunengafakwanga phansi.
4) amasethi azinze endaweni engathathi hlangothi anethuba lokuvala amaphutha okuvuza kanye namaphutha okumisa imithwalo engeke yadalulwa ngaphansi kwesimo sokuphakelwa okukhulu kwamanje eziteshini zikamasipala zikagesi.
36. Yiziphi izinkinga okufanele zinakwe uma usebenzisa isethi enephuzu elingathathi hlangothi elingagxiliwe?
A: Umugqa 0 ungaba bukhoma ngenxa yokuthi i-capacitive voltage phakathi kwentambo yomlilo nendawo emaphakathi ayikwazi ukususwa. Abasebenzisi kufanele babuke umugqa 0 njengobukhoma. Awukwazi ukusingathwa ngokomkhuba kagesi wemakethe.
37. Indlela yokufanisa amandla e-UPS nejeneretha yedizili ukuze kuqinisekiswe ukuphuma okuzinzile kwe-UPS?
A: 1) I-UPS ngokuvamile imelelwa amandla abonakalayo e-KVA, aqala ngokuphindaphindwa ngo-0.8 futhi aguqulelwe kusethi ye-KW ehambisana namandla asebenzayo ejeneretha.
2) Uma i-generator jikelele isetshenziswa, amandla asebenzayo e-UPS aphindaphindwa ngo-2 ukuze anqume amandla ejeneretha eyabelwe, okungukuthi amandla e-generator aphindwe kabili kune-UPS.
3) Uma i-generator ene-PMG (i-permanent magnet motor excitation) isetshenziswa, khona-ke amandla e-UPS aphindaphindwa ngo-1.2 ukuze anqume amandla e-generator, okungukuthi amandla e-generator izikhathi ezingu-1.2 ze-UPS.
38. Ingabe izingxenye zikagesi noma zikagesi eziphawulwe ngokuthi 500V ukumelana nogesi zingasetshenziswa kukhabhinethi yokulawula ijeneretha likadizili?
A: Cha. Ngoba i-voltage engu-400/230V ekhonjiswe kusethi yejeneretha yedizili iyi-voltage esebenzayo. I-voltage ephezulu iphindwe izikhathi ezingu-1.414 kune-voltage esebenzayo. Okusho ukuthi, i-voltage ephezulu yejeneretha yedizili ingu-Umax=566/325V.
39. Ingabe wonke amajeneretha kadizili anemishini yokuzivikela?
IMP: Cha. Kukhona abanye abanayo nabangenayo emakethe namuhla ngisho nakumaqoqo afanayo. Lapho uthenga isethi, umsebenzisi kufanele akwenze kucace kuye. Kubhalwe kahle kakhulu njengokunamathiselwe kwinkontileka. Ngokuvamile, imishini enenani eliphansi ayinawo umsebenzi wokuzivikela.
40. Yiziphi izinzuzo zamakhasimende ukuthenga amakhabethe self-startup kodwa hhayi ukuthenga kubo?
A: 1) Uma ukwehluleka kwamandla kwenzeka kunethiwekhi yedolobha, isethi izoqala ngokuzenzakalelayo ukusheshisa isikhathi sokudlulisa amandla okwenziwa ngesandla;
I-2) Uma umugqa wokukhanyisa uxhunywe ngaphambili komshini womoya, ungaqinisekisa futhi ukuthi ukukhanyisa ekamelweni lekhompyutha akuthintwa ukwehluleka kwamandla, ukuze kube lula ukusebenza kwabaqhubi.
41. Lusho ukuthini uphawu olujwayelekile lwe-GF lwamasethi ejeneretha yasekhaya?
A: Imele izincazelo ezimbili: a) Isethi yejeneretha yefrikhwensi yamandla ifanele isethi yamandla avamile wase-China angu-50HZ. B) Amasethi ejeneretha asekhaya.
42. Ingabe umthwalo othwelwe ijeneretha kufanele ugcine ibhalansi yezigaba ezintathu isetshenziswa?
A: Yebo. Ukuchezuka okukhulu akufanele kudlule ama-25%. Umsebenzi ongekho esigabeni awuvunyelwe.
43. Yiziphi iziqephu ezine ezisho injini yedizili enemivimbo emine?
A: Ukuhogela, ukucindezelwa, umsebenzi kanye nokukhipha umoya.
44. Yimuphi umehluko omkhulu phakathi kwenjini kadizili nenjini kaphethiloli?
A: 1) Ukucindezela kusilinda kuhlukile. Izinjini ze-diesel zicindezela umoya ngesikhathi sesigaba sokucindezela; Injini kaphethiloli icindezela ingxube kaphethiloli nomoya phakathi nesigaba sokucindezela.
2) Izindlela zokushisa ezihlukene. Izinjini zikadizili zithungela ngokuzenzakalelayo ngokufafaza uphethiloli we-athomu we-athomu kumagesi anengcindezi ephezulu. Izinjini zikaphethiloli zibaswa ngama-spark plugs.
45. Kusho ukuthini “amavoti amabili, izinhlelo ezintathu” ohlelweni lwamandla?
A: Amathikithi amabili asho ithikithi lomsebenzi kanye nethikithi lokusebenza. Noma yimuphi umsebenzi noma umsebenzi owenziwa emishinini kagesi. Amathikithi okusebenza nawokusebenza akhishwa ngumuntu ophethe umsebenzi kufanele alandwe kuqala. Amaqembu kumele aphoqelele umthetho ngevoti. Amasistimu amathathu abhekisela ohlelweni lwamashifu, uhlelo lokuhlola lokuqapha kanye nesistimu yokushintsha imishini evamile.
46. Kuyini lokhu okubizwa nge-three-phase four-wire system?
A: Kunemigqa engu-4 ephumayo yesethi yejeneretha, emi-3 yayo iyilayini yomlilo futhi engu-1 inguziro. I-voltage phakathi kwemigqa ingu-380V. Ibanga phakathi kolayini womlilo nolayini onguziro ngu-220 V.
47. Kuthiwani ngesifunda esifushane esinezigaba ezintathu? Iyini imiphumela?
A: Ngaphandle kokulayisha ngokweqile phakathi kwemigqa, isifunda esifushane esiqondile siyisifunda esifushane esinezigaba ezintathu. Imiphumela mibi, futhi imiphumela emibi ingaholela ekulimaleni komshini nokufa.
48. Kuyini lokhu okubizwa ngokuthi yi-back power supply? Imiphi imiphumela emibi emibili?
A: Ukunikezwa kwamandla okusuka kujeneretha ozinikezele kuye kunethiwekhi yedolobha kubizwa ngokuthi ukunikezwa kwamandla okubuyela emuva. Kunemiphumela emibi emibili: a)
Akukho ukwehluleka kwamandla okwenzeka kunethiwekhi yedolobha, futhi ukunikezwa kwamandla kwenethiwekhi yedolobha kanye nokunikezwa kwamandla we-generator eziqukethwe ngokwayo akuvumelanisiwe, okuzobhubhisa amasethi. Uma umthamo wejeneretha ozinikezele wona mkhulu, inethiwekhi yedolobha nayo izonyakaza. B)
Igridi kagesi kamasipala inqanyuliwe futhi isalungiswa. Amajeneretha awo anikezela ngamandla emuva. Izokwenza ukuthi abasebenzi abalungisa ugesi bashaye ugesi bafe.
49. Kungani olungisa iphutha kufanele ahlole kahle ukuthi wonke amabhawodi okulungisa asesimeni esihle yini ngaphambi kokususa iphutha? Ingabe zonke izixhumanisi zomugqa zilungile?
IMPENDULO: Ngemva kokuhamba ibanga elide, ngezinye izikhathi akunakugwenywa ukuthi isethi ixege noma ilahle amabhawodi kanye nokuxhumeka kolayini. Ukuncipha kokulungiswa kwamaphutha, kuba mkhulu umonakalo emshinini.
50. Amandla kagesi akuliphi izinga lamandla? Yiziphi izici ze-AC?
A: Amandla kagesi angamandla esibili. I-AC iguqulwa isuke kumandla ayimishini bese i-DC iguqulwa isuke kumandla amakhemikhali. I-AC ibonakala ngokungakwazi kwayo ukugcina. Manje isiyatholakala ukuze isetshenziswe.
51. Yiziphi izimo ijeneretha engahlangabezana nazo ngaphambi kokuvala ukuphakelwa kukagesi?
A: Isethi yokupholisa amanzi kanye nezinga lokushisa lamanzi lifinyelela ku-56 degrees Celsius. Isethi epholiswe umoya nomzimba kushisa kancane. Imvamisa yamandla kagesi ijwayelekile uma kungekho mthwalo. umfutho kaphethiloli ujwayelekile. Kulapho kuphela lapho amandla angavalwa khona.
52. Kuyini ukulandelana kwemithwalo ngemva kokukhanyisa?
A: Imithwalo ithwalwa isuka enkulu iye emincane.
53. Kuyini ukulandelana kokuthulula ngaphambi kokuvala shaqa?
A: Imithwalo iyehliswa isuka kwencane iye kwenkulu bese iyavalwa ngemva kwalokho.
54. Kungani singakwazi ukucisha futhi siqhubeke nomthwalo?
A: Ukuvala shaqa ngomthwalo kuyisimo esiphuthumayo.
Isikhathi sokuthumela: Aug-30-2019
