
Transferencia de Calor
Authored by Jairo Armando SALCEDO ARANDA
Physics
Professional Development
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el mecanismo de transferencia de calor que se produce a través de la vibración de átomos y moléculas en un material sólido?
Conducción
Convección
Radiación
Evaporación
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un proceso de transferencia de calor por convección, ¿qué factor influye en el coeficiente de transferencia de calor?
El área superficial
La diferencia de temperatura
La velocidad del fluido
La conductividad térmica del material
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ley de Fourier describe la transferencia de calor en materiales a través de:
Convección
Radiación
Conducción
Evaporación
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la transferencia de calor por radiación, el flujo de calor se describe mediante la ley de:
Stefan-Boltzmann
Fourier
Newton
Planck
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué parámetro describe la resistencia térmica en un problema de conducción unidimensional?
Coeficiente de transferencia de calor
Conductividad térmica
Grosor del material
Área de transferencia
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la transferencia de calor por convección forzada, ¿qué papel juega un ventilador en un sistema de calefacción?
Aumenta la conductividad térmica
Aumenta el área superficial
Aumenta la velocidad del fluido
Reduce la radiación térmica
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Si se duplica el grosor de un material aislante en una pared, ¿cómo cambia la resistencia térmica de la pared?
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