
TC 2 - Matemática
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Easy
Harley Pereyra
Used 1+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un mineral pesa 2,800 kg y contiene 9.5% de plomo (Pb). ¿Cuánta ganga contiene?
2,534 kg
2,548 kg
267 kg
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se recolecta una muestra de 450 g. ¿Cuántos kilogramos son?
0.045 kg
4.5 kg
0.45 kg
45 kg
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una faja transportadora moviliza 1,800 toneladas en 3.5 horas. ¿Cuántas toneladas trasladará en 5.25 horas al mismo ritmo?
2,700 t
2,625 t
2,250 t
3,000 t
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Para preparar 400 ml de solución al 10%, se mezclan 40 ml de reactivo con agua. ¿Cuánto reactivo se necesitará para preparar 750 ml al mismo %?
75 ml
90 ml
80 ml
85 ml
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
En 8 horas se procesan 1,600 toneladas usando 4 molinos. ¿Cuánto se procesaría en 10 horas con 5 molinos?
2,000 t
2,500 t
2,400 t
2,600 t
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se pierden 1.8% de masa en la fundición de 3,200 kg de concentrado. ¿Cuánto se pierde?
57.6 kg
62 kg
48.2 kg
55 kg
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se procesan 2,000 TMS de mineral con una ley de 2.5% de Cu. ¿Cuál es el contenido metálico total en el mineral?
50 t
25 t
40 t
45 t
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