REPASO FINAL

Quiz
•
Professional Development
•
2nd Grade
•
Medium
Pablo Rodríguez
Used 9+ times
FREE Resource
8 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Un mismo transformador tiene _____ i.h. distintos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las pérdidas por flujo disperso...
Son de tipo reactiva y se reflejan en la Xcc
Son de tipo activa y se reflejan en la Xcc
Son de tipo reactiva y se reflejan en la Xm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si se sabe que R1medida de un transformador reductor Yy2 es 1Ω...
Ninguns opción es corrects
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
¿Es posible que la tensión de salida aumente con c?
No
Sí, si la carga consume potencia activa
Sí, si el φ de la carga es negativo
Sí, si la carga consume potencia reactiva
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La tensión de cortocircuito suele ser del orden del...
1-5% UN
20% UN
10% UN
No lo podemos saber
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un valor típico de φcc es...
82º (cap)
35º (ind)
85º (ind)
25º (cap)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que dos transformadores tengan la misma tensión de salida ante la misma tensión de entrada tienen que tener necesariamente el mismo nº de espiras
Verdadero
Falso
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El rendimiento de un transformador...
Depende de la Xm
Depende del flujo disperso
Depende de la potencia aparente de la carga
Depende de la reluctancia magnética
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