Puzzolana – MCQ || Building Materials ||

Puzzolana – MCQ

1. The word puzzolana is derived from

a) Puzzoli
b) Pozzuoli
c) Puzzolina
d) None of these

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View Answer

b) Pozzuoli.

The word puzzolana is derived from Pozzuoli. Pozzuoli is a town of Italy.

2. Puzzolana is

a) Natural
b) Artificial
c) Both

View Answer

c) Both

Puzzolana maybe natural or artificial.

3. Which of the following is the example of a natural puzzolana?

a) Silica fume
b) Fly ash
c) Bavarian trass
d) All of these

View Answer

c) Bavarian trass.

4. Which of the following is the example of an artificial puzzolana?

a) Surkhi
b) Ground blast furnace slag
c) Rice husk ash
d) All of these

View Answer

d) All of these

5. The avarage particle size of silica fume is

a) 0.1 to 0.3
b) 1 to 15
c) 15 to 100
d) 25 to 75

View Answer

a) 0.1 to 0.3

6. Calcined clay puzzolana is also known as

a) Surkhi
c) Homra
d) All of these

View Answer

d) All of these

In India, Calcined clay puzzolana is called surkhi.

In Indonesia, Calcined clay puzzolana is called Semen-Merah.

In Egypt, Calcined clay puzzolana is called Homra.