Concrete Technology (3150610) MCQs

MCQs of Unit 2: Ingredients of Concrete : Aggregate

Showing 1 to 10 out of 29 Questions
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1.

the standard sand nowadays used in India is obtained from

(a)

Rajasthan
(b)

Punjab
(c)

Andhra Pradesh
(d)

Madras
Answer:

Option (d)

2.

Fine aggregate of zone I are

(a)

coarse
(b)

medium
(c)

fine
(d)

medium to fine
Answer:

Option (a)

3.

The bulk density of aggregate is generally expressed as

(a)

tonne/m3
(b)

kg/m3
(c)

kg/lit
(d)

gm/cm3
Answer:

Option (b)

4.

The bulk density of aggregates depend upon 

(a)

shape
(b)

grading
(c)

compaction
(d)

all of above
Answer:

Option (d)

5.

the most useless aggregate is one whose surface texture is

(a)

smooth
(b)

granular
(c)

glassy
(d)

honey combed
Answer:

Option (c)

6.

for a given water content workability of concrete is good if aggregates used are 

(a)

rounded
(b)

irregular
(c)

angular 
(d)

flaky 
Answer:

Option (a)

7.

a flaky aggregate is said to be elongated if its length is

(a)

equal to the mean size
(b)

1.8 times the mean size
(c)

thrice the mean size
(d)

four times the mean size
Answer:

Option (b)

8.

If fineness modulus of sand is 2.5, it is graded as

(a)

very fine sand
(b)

fine sand
(c)

medium sand
(d)

coarse sand
Answer:

Option (b)

9.
The approximate volume of aggregate in concrete is
(a) 40 to 50 %
(b) 50 to 60 %
(c) 60 to 70%
(d) 70 to 80 %
Answer:

Option (d)

10.
Good aggregate should not absorb water more than
(a) 1%
(b) 2%
(c) 3%
(d) 4%
Answer:

Option (b)

Showing 1 to 10 out of 29 Questions
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