Concrete Technology Mock test – 4 || Civil Engineering Mock tests




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1. Cement used for normal concrete construction, is obtained by burning a mixture of
2. If fineness modulus of sand is 2.5, it is graded as
3. To prevent segregation, the maximum height for placing concrete, is
4. Sand requiring a high water cement ratio, belongs to
5. If the slump of a concrete mix is 60 mm, its workability is
6. An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to be flaky if its least dimension is less than
7. The dimensions of a 35 litre forma for measuring aggregates by volume, are :
8. Setting time of cement increases by adding
9. Gypsum is added for
10. A flaky aggregate is said to be elongated if its length is
11. The entrained air in concrete
12. Log Angles machine is used to test the aggregate for
13. Pick up the incorrect statement from the following:
14. The shuttering of a hall measuring 4 m x 5 m, can be removed after
15. If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is
16. Strength of concrete with passage of time
17. 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
18. The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than
19. Higher workability of concrete is required if the structure is
20. Expansion joints are provided if the length of concrete structures exceeds
21. If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
22. Pick up the incorrect statement from the following:
23. Water cement ratio is generally expressed in volume of water required per
24. Pick up the incorrect statement from the following. While performing preliminary test on concrete
25. A concrete having a slump of 6.5 cm, is said to be







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