
CEMENTOS
Authored by marta rodriguez
Architecture
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El estándar de cal ¿qué determina?
El contenido necesario de la Cal y sio2
La relación que determina la combinación total de la cal libre
La posibilidad de las distintas combinaciones de CaO,SiO2,Al2O3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿El regulador de fraguado es siempre necesario?
Siempre que sea un Clinker de cemento portland
Para cementos de bajo calor de hidratación
En todos los cementos
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Los principales componentes del cemento portland son:
C2S,C3S,CA3 Y C4AF
C3S,C2S,C4A y C4AF
C2S,C3S,C3A,C4AF
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cómo se produce el fraguado y endurecimiento del cemento?
Por carbonatación de la cal
Por un amasado continuo y duradero en el tiempo.
Por hidratación de sus componentes
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En los cementos resistentes a los sulfatos ¿qué variación tienen en su composición?
Mayor contenido de C4AF y menor C3A
Mayor contenido de C3A y C4AF
Mayor cantidad de C3s
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
En la hidratación de los componentes principales del cemento ¿cuáles desprenden calor?
Ninguno
todos
C3S y C2s
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
La resistencia del cemento endurecido es debido a:
C3S,C2S Y C3A
C3S,C2S,C3A Y C4AF
C3S Y C2S
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