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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. The average permissible stress in bond for plain bars in tension is
2. To obtain a very high strength concrete, use very fine grained
3. Minimum grade of concrete to be used in reinforced concrete as per IS: 4561978 is
4. Shrinkage of concrete depends upon (i) Humidity of atmosphere (ii) Passage of time (iii) Stress
The correct answer is
5. Inert material of a cement concrete mix, is
6. If 50 kg of fine aggregates and 100 kg of coarse aggregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
7. For preparing a test-specimen, it is necessary
8. Concrete mainly consists of
9. The strength and quality of concrete, depend upon:
10. Pick up the correct statement from the following:
11. A concrete using an air entrained cement
12. The minimum cover to the ties or spirals should not be less than
13. The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is
14. The approximate value of the ratio between direct tensile strength and flexural strength is
15. Which of the following losses of pre-stress occurs only in pre-tensioning and not in posttensioning?
16. The limits of percentage p of the longitudinal reinforcement in a column is given by
17. Expansion joints are provided if the length of concrete structures exceeds
18. The factor of safety for
19. Pick up the correct statement from the following:
20. While designing the pile as a column, the end conditions are nearly
21. Ordinary Portland cement is manufactured from
22. Pick up the incorrect statement from the following:
23. Pick up the correct statement from the following:
24. For construction of structures in sea water, the cement generally preferred to, is
25. An aggregate is known as cyclopean aggregate if its size is more than