Concrete Technology (3150610) MCQs

MCQs of Unit 4 : Ingredients of Concrete : Admixtures

Showing 1 to 8 out of 8 Questions
1.

which is best accelerator from followings

(a)

calcium chloride
(b)

gypsum
(c)

aluminum powder
(d)

sugar
Answer:

Option (a)

2.
Admixtures are the materials used in the concrete to modify its properties in
(a) plastic stage
(b) harden stage
(c) plastic or harden stage
(d) non of above
Answer:

Option (c)

3.
Which is the mineral admixture?
(a) water reducing
(b) silica fumes
(c) plasticizer
(d) superplasticizer
Answer:

Option (b)

4.
Which is the chemical admixture?
(a) fly ash
(b) silica fumes
(c) retarders
(d) rice husk ash
Answer:

Option (c)

5.
Which is the mineral admixture?
(a) accelerators
(b) superplasticizer
(c) plasticizer
(d) non of above
Answer:

Option (d)

6.
Which is the chemical admixture?
(a) fly ash
(b) silica fumes
(c) rice husk ash
(d) non of aboe
Answer:

Option (d)

7.
Fly ash is by-product from the combustion of
(a) Fine aggregate
(b) Cement
(c) Coal
(d) all of above
Answer:

Option (c)

8.
The average size of the fly ash is
(a) 4.75 mm
(b) 150 micron
(c) 90 micron
(d) 20 micron
Answer:

Option (d)

Showing 1 to 8 out of 8 Questions