Encuesta
Authored by Jhorman Lopez
Engineering
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
¿Que se considera económicamente extravíale con un nivel de confianza moderado?
Estabilidad
Pan
Reservas posibles
Reservas probables
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
¿cual es la técnica de explotación que consiste en extraer mineral en tajos horizontales rellenando el espacio excavado?
testeros
relleno
Corte
Corte y relleno
3.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
¿Parte de un recurso mineral que se considera explotable?
Probables
Reservas probables
Minas
Cielo abierto
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Técnica de explotación utilizada principalmente en capas de carbón, ¿cual es?
Terrenos
Testeros
Espesor
Subterranea
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
¿Que hace parte de los recursos minerales que se consideran extravíela?
Mineral
Oro
Reservas
Reservas intermitentes
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