Particulas magneticas

Quiz
•
Instructional Technology
•
Professional Development
•
Hard
John Mendoza
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes materiales puede ser magnetizado?
Hierro
Níquel
Cobalto
Todos los anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una bobina alrededor de la pieza produce:
Un campo circular
Un campo longitudinal
Puede ser a o b dependiendo del tipo de corriente aplicada
Un campo intermitente
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una partícula magnética es atraída con mayor fuerza por una discontinuidad cuando ésta esta orientada:
180° con respecto al campo magnético
45° con respecto al campo magnético
90° con respecto al campo magnético
90° con respecto al flujo de la corriente
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si una corriente se pasa a través de un conductor eléctrico, ¿qué se crea alrededor del conductor?
Un campo de corriente eddy
Corriente
Corriente alterna
Corriente aumentada
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un campo circular puede ser inducido dentro de un espécimen por:
Inducción directa (magnetización entre cabezales)
Inducción directa (por medio de electrodos)
Conductor central
Todas las anteriores
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El tipo de corriente que satisface mejor la detección de discontinuidades superficiales es:
Corriente directa
Corriente alterna
Corriente directa pulsada
Media onda
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de corriente tiene un “efecto de piel”?
Corriente alterna
Corriente directa
Corriente rectificada de media onda
Corriente rectificada de onda completa
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