3. ispit znanja (Asinkroni strojevi)
Quiz
•
Other
•
2nd Grade
•
Practice Problem
•
Hard
Leon Kepe
Used 12+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fazni pomak između struja glavne i pomoćne faze kod jednofaznog asinkronog stroja u praksi najčešće se ostvaruje:
Ugradnjom zavojnice
Ugradnjom otpornika
Ugradnjom kondenzatora
Ugradnjom elektromagneta
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kako se kod asinkornog motora ostvaruje promjena smjera vrtnje:
Ugradnjom kondenzatora
Zamjenom faza
Ugradnjom zavojnice
Povečanjem napona
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na slici Mpr označava:
Prekretni moment
Potezni moment
Početni moment
Prvi moment
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Struja pokretanja asinkornog motora je:
jednaka nazivnoj
manja od nazivne
oko 7 puta veća od nazivne
21 puta veća od nazivne
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliko iznosi sinkrona brzina asinkronog stroja pri 2 pari polova i frekvenciji 50 Hz ?
100 okretaja/min
1000 okretaja/min
1500 okretaja/min
2500 okretaja/min
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koliko iznosi klizanje asinkronog motora u trenutku pokretanja?
0
1
2
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na slici je prikazan:
Sinkorni rotor
Kavezni rotor
Kliznokolutni rotor
Istosmjerni rotor
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