2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Raws li NEC 110.26 (tseem hu ua NFPA 70), tsis siv neeg lub tshuab nqus dej tso cai rau hauv chav hluav taws xob uas cov khoom siv yog 600V lossis tsawg dua, tshwj tsis yog qee qhov chaw hu ua Dedicated Electrical Qhov chaw.” Cov chaw no ncaj qha saum cov khoom siv hluav taws xob (thov xa mus rau NEC 110.26 kom paub meej meej).
Thaum twg peb tuaj yeem tshem tawm cov tshuab hluav taws xob hauv cov khoom siv hluav taws xob?
Tus Txheej Txheem hais tias: Tsis tas yuav cov tshuab hluav taws xob hauv chav tsev hluav taws xob uas tau ua raws li tag nrho cov xwm txheej hauv qab no: (1) Chav tsev yog rau cov khoom siv hluav taws xob nkaus xwb. (2) Tsuas yog cov khoom siv hluav taws xob qhuav qhuav xwb.
Puas txhua chav xav tau lub tshuab txau?
Tsis yog txhua qhov chaw hauv ib lub qauv yuav tsum tau tiv thaiv los ntawm cov tshuaj txau-thiab NFPA 13 yog qhov tseeb heev ntawm qhov chaw ntawd yuav tsum tsis txhob muaj kev tiv thaiv. … Ib txoj hauv kev uas lawv tuaj yeem ua tau yog kom tshem cov dej ntws tawm ntawm thaj chaw uas cov lis dej num hais tias nws tsis raug cai kom tso lawv tawm. Tab sis nws tseem ceeb heev kom paub meej tias thaj chaw ntawd yog dab tsi.
Lub tsev twg xav tau lub tshuab nqus dej?
Raws li NCC 2019, cov tsev tsev nyob hauv tsev tshiab-tsim tshaj peb lub tsev thiab tsawg dua 25 metres yuav xav tau cov tshuaj txau raws li Kev Pom Zoo-rau-Satisfy (DTS) Cov Kev Cai, mus dhau yav dhau los yuav tsum tau rau sprinklers nkaus xwb nyob rau hauv cov tsev nyob saum toj no 25 meters.
Puas yog cov tshuab txau yuav tsum muaj hauv cov tsev nyob?
Tsis muajCov kev xav tau thoob plaws lub xeev rau cov tshuaj tua hluav taws hauv tsev, tab sis cov cheeb tsam hauv cheeb tsam tuaj yeem ua raws li txoj cai sprinkler. Hu rau NFPA. Tsis muaj lub xeev lub tsev code. … Siv 2012 International Residential Code, tab sis lub xeev tsis tau txais qhov yuav tsum tau ua kom lub tsev tshiab, ib leeg thiab ob tsev neeg.
Pom zoo:
Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?
Gramophone: Txhua lub suab kaw suab, lossis cov cuab yeej ua si yav dhau los-cov suab kaw, tshwj xeeb tshaj yog tias nws siv lub tiaj tiaj tiaj. Phonograph: Txhua lub suab kaw suab, lossis cov cuab yeej siv rau kev ua si cov suab uas tau kaw dhau los, tshwj xeeb tshaj yog tias nws siv lub tog raj kheej tig.
Puas yog lub tshuab hluav taws xob xav tau lub tshuab hluav taws xob?
Diesels tsis xav tau lawv - pob tseg li qub / tshuab tawm li qub yog tsim los rau qhov chaw nruab nrab ntawm lub turbo thiab lub throttle. Nyob rau hauv ib tug petrol engine, ntawm siab boost, thaum koj snap lub throttle kaw lub turbo tseem tig.
Puas hluav taws xob hluav taws xob puas tsim hluav taws xob?
Coal feem ntau siv roj los tsim hluav taws xobhauv Tebchaws Meskas. Hauv cov chaw tsim hluav taws xob hluav taws xob hluav taws xob, cov hluav taws xob bituminous, subbituminous thee, lossis lignite raug hlawv. Cov cua kub uas tsim los ntawm kev sib xyaw ntawm cov thee yog siv los hloov cov dej mus rau hauv qhov chaw siab zog, uas tsav lub turbine, uas tsim hluav taws xob.
Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?
Piav seb lub twj hluav taws xob hluav taws xob tsim hluav taws xob hla lub membrane li cas. Los ntawm pum electrons hla lub membrane, sab uas cov electrons raug tshem tawm muaj qhov zoo dua, thaum sab tau txais cov hluav taws xob ntau muaj qhov tsis zoo.
Puas yog lub tshuab hluav taws xob puas muaj lub tshuab hluav taws xob?
Vim li cas lub tshuab hluav taws xob sab hauv combustion yuav tsum tsis muaj lub tshuab hluav taws xob los ua kom cov roj tsis zoo li roj av? Spark plugs yog siv nyob rau hauv cov roj cav mus ignite cov pa roj sib tov whereas nyob rau hauv diesel engines lub xub ntiag ntawm lub txim plugs yog tsis tsim nyog.
