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

Welcome to your Concrete Technology Mock test - 4
Take an exciting test in Concrete Technology
You have only 20 mins to complete the test (25 Questions)
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1. Setting time of cement increases by adding
2. If fineness modulus of sand is 2.5, it is graded as
3. Pick up the incorrect statement from the following:
4. 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
5. 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
6. The entrained air in concrete
7. The dimensions of a 35 litre forma for measuring aggregates by volume, are :
8. Expansion joints are provided if the length of concrete structures exceeds
9. Sand requiring a high water cement ratio, belongs to
10. 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
11. To prevent segregation, the maximum height for placing concrete, is
12. A flaky aggregate is said to be elongated if its length is
13. Cement used for normal concrete construction, is obtained by burning a mixture of
14. The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than
15. Pick up the incorrect statement from the following. While performing preliminary test on concrete
16. Gypsum is added for
17. Water cement ratio is generally expressed in volume of water required per
18. Higher workability of concrete is required if the structure is
19. 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
20. The shuttering of a hall measuring 4 m x 5 m, can be removed after
21. A concrete having a slump of 6.5 cm, is said to be
22. If the slump of a concrete mix is 60 mm, its workability is
23. Log Angles machine is used to test the aggregate for
24. Pick up the incorrect statement from the following:
25. Strength of concrete with passage of time

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