EXAMEN ENERGÍA OLIVER
Quiz
•
Instructional Technology
•
9th Grade
•
Medium
M. Blanco
Used 1+ times
FREE Resource
Enhance your content in a minute
28 questions
Show all answers
1.
OPEN ENDED QUESTION
2 mins • 1 pt
1.Si el motor de un horno tiene 2500W de potencia,. ¿Qué trabajo realizará en 10 segundos?
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2.
OPEN ENDED QUESTION
2 mins • 1 pt
2. Calcula el rendimiento de una máquina que consume una potencia de 40.000 W para poder funcionar y ofrece una potencia útil de 20.000 W.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
3. Una máquina es capaz de desarrollar un trabajo de 8600 J en 25 s. Calcula:
a) El trabajo que desarrolla expresado en calorías.
b) La potencia de la máquina
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4.
OPEN ENDED QUESTION
2 mins • 1 pt
4. Indica a cuántos Julios equivalen 832 calorías………………………….
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5.
OPEN ENDED QUESTION
2 mins • 1 pt
5. Indica a cuántos Julios equivalen 1000 kcal……………………………
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6.
OPEN ENDED QUESTION
30 sec • 1 pt
Indica que tipo de transformación de energía se realiza:
a) El agua almacenada en un embalse mueve una turbina al caer.
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7.
OPEN ENDED QUESTION
30 sec • 1 pt
Indica que tipo de transformación de energía se realiza:
b) Al accionar un interruptor se enciende la lámpara.
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