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Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 2
41.
The compaction of concrete, improves
density
strength
durability
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Pick up the correct statement from the following:
Water cement paste hardens due to hydration
During hardening cement binds the aggregates together
Cement provides strength, durability and water tightness to the concrete
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The light weight aggregates are obtained from
sedimentary rocks
metamorphic rocks
igneous rocks
volcanic source.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is
10%
12%
15%
20%
25%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Pick up the correct statement from the following:
According to the petrological characteristics, concrete aggregates are classified as heavy weight, normal weight and light weight
According to the shape of the particles, concrete aggregates are classified as rounded irregular, angular and flaky
According to the surface texture of the particles, the concrete aggregates are classified as glassy, smooth, granular, rough, crystalline, honey combed and porous
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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