IndiaBIX

Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 4
1.
Concrete gains strength due to
chemical reaction of cement with sand and coarse aggregates
evaporation of water from concrete
hydration of cement
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than
20.5 mm
30.5 mm
40.5 mm
50.5 mm
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Non-uniform compaction may cause the concrete
porous
non-homogeneous
reduced strength
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Log Angles machine is used to test the aggregate for
crushing strength
impact value
abrasion resistance
water absorption
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
If fineness modulus of sand is 2.5, it is graded as
very fine sand
fine sand
medium sand
coarse sand
very coarse sand.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers