
T10 TERM AGROIND
Authored by Edwin Sirlopú
Other
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es la expresión básica de la Primera Ley de la Termodinámica para un sistema cerrado?
ΔU=Q/W
ΔU=W−Q
ΔU=Q+W
ΔU=Q−W
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué tipo de sistema permite el intercambio de masa y energía?
Sistema Cerrado
Sistema Aislado
Sistema Abierto
Sistema Termodinámico
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es el cambio de temperatura en el ejemplo de cocción de alimentos en un horno cerrado?
120°C
180°C
140°C
160°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué se busca al realizar la refrigeración y congelación de productos perecederos?
Eliminar microorganismos patógenos
Aumentar la temperatura
Reducir la textura
Añadir agua
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Para un sistema ............................. la Primera Ley de la Termodinámica se expresa en términos de tasas (por unidad de tiempo):
Cerrado
semi - abierto
aislado
abierto
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué se busca al modificar la textura y sabor en la industria de alimentos?
Mantener productos perecederos
Eliminar microorganismos patógenos
Reducir el contenido de agua
Aumentar la temperatura
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Enunciado: Una planta procesa 1000 kg/h de leche, calentándola de 10°C a 75°C. El calor específico de la leche es 𝑐𝑝=3.9 𝑘𝐽/𝑘𝑔⋅𝐾.
Calcular la tasa de transferencia de calor (𝑄 ̇) requerida.
160°C
70.42 kW
336 kJ
253500 kJ/h
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