
Telekomunikacijski vodovi

Flashcard
•
Information Technology (IT)
•
11th Grade
•
Hard
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9 questions
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1.
FLASHCARD QUESTION
Front
Na koje osnovne vrste dijelimo telekomunikacijske vodove?
Back
Bakreni i optički
2.
FLASHCARD QUESTION
Front
Koji dodatak ima kabel namijenjen zračnoj instalaciji u odnosu na podzemne?
Back
Nosivo uže
3.
FLASHCARD QUESTION
Front
Optičke kabele dijelimo na:
Back
jednomodne i višemodne
4.
FLASHCARD QUESTION
Front
Koji od ovih problema spajanja nije greška montera? Kutni pomak, Zračni raspor, Ekscentričnost jezgre, Horizontalni pomak
Back
Ekscentričnost jezgre
5.
FLASHCARD QUESTION
Front
Na telekomunikacijskoj trasi gubitak signala od 50% odgovara:
Back
gušenje 3 dB
6.
FLASHCARD QUESTION
Front
Fresnelova refleksija nastaje zbog: nečistoća materijala, loše izolacije, prekida niti, previsoke temperature termičkog spajanja
Back
prekida niti
7.
FLASHCARD QUESTION
Front
Kod termičkog(fuzijskog) spajanja gušenje može biti vrlo malo, čak i do
Back
0,05dB
8.
FLASHCARD QUESTION
Front
Koji spektar valnih duljina svjetlosti vidi ljudsko oko?
Back
380-740nm
9.
FLASHCARD QUESTION
Front
Pri testiranju živih optičkih niti koristimo svjetlost koje valne duljine?
Back
1300nm
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