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Civil Engineering Practice Test: Concrete Technology and Design
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Concrete Technology is about the properties of concrete needed in construction applications, including strength and durability, and provides guidance on all aspects of concrete from mix design to batching, mixing, transporting, placing, consolidating, finishing, and curing.

There are two types of concrete mixes, i.e. nominal mix and design mix. Nominal mix is used for normal construction works such as small residential buildings. Most popular nominal mix are in the proportion of 1:2:4.

Civil Engineering Practice Test: Concrete Technology and Design
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25 Questions

1. Pick up the incorrect statement from the following:
2. The light weight aggregates are obtained from
3. Hardening of cement occurs at
4. The shuttering of a hall measuring 4 m × 5 m, can be removed after
5. Select the incorrect statement
6. Concrete gains strength due to
7. To hydrate 500kg of cement full water needed, is
8. Tricalcium aluminate (C3A)
9. The specifications of a cement bag for storage, are
10. The aggregate impact value of the aggregate used in
11. The purpose of reinforcement in pre-stressed concrete is
12. For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is
13. An aggregate is known as cyclopean aggregate if its size is more than
14. To prevent segregation, the maximum height for placing concrete, is
15. In a spherical dome the hoop stress due to a concentrated load at crown is
16. To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between
17. Pick up the correct statement from the following:
18. If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is
19. Pick up the correct statement from the following:
20. The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
21. For construction of structures in sea water, the cement generally preferred to, is
22. The impurity of mixing water which affects the setting time and strength of concrete, is
23. The surface where two successive placements of concrete meet, is known as
24. Pick up the incorrect statement from the following. While performing preliminary test on concrete
25. Pick up the correct statement from the following: