
Carbón vegetal
Authored by Artemio Parra
Biology
1st Grade
Used 3+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Durante el proceso de producción de carbón vegetal, cuál es la temperatura donde se inicia la evaporación de agua?
100 °C
240 °C
450 °C
700 °C
2.
OPEN ENDED QUESTION
3 mins • 10 pts
¿Qué es el material volátil? y ¿Cómo detecto que un carbón vegetal tiene alto contenido de material volátil?
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3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿Cuál es el contenido de cenizas en el carbón vegetal permitido por la mayoría de los mercados internacionales?
> 70 %
> 16 %
< 16 %
< 5 %
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿Son hornos fijos y su proceso de producción de carbón vegetal puede durar mas de seis días?
Horno tipo retorta
Horno de fosa
Colmena brasileñomodificado
Colmena Brasileño
5.
OPEN ENDED QUESTION
3 mins • 5 pts
Describe brevemente la ventaja de usar hornos tipo retorta
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6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿Que característica del carbón vegetal es la más importantes para determinar la calidad?
Volátiles
Granulometría
Carbono fijo
Densidad de la leña
7.
OPEN ENDED QUESTION
3 mins • 5 pts
Según tu criterio, cual es la utilidad de utilizar hornos tipo parva (montículo o de tierra)?
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OFF
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