Concrete Technology Mock test – 5 || Civil Engineering Mock tests




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1. The ratio of the diameter of reinforcing bars and the slab thickness is
2. For a continuous slab of 3 m × 3.5 m size, the minimum overall depth of slab to satisfy vertical  deflection limits is
3. If the effective working time is 7 hours and per batch time of concrete is 3 minutes, the output of a  concrete mixer of 150 litre capacity, is
4. Pick up the correct statement from the following:
5. The operation of removing humps and hollows of uniform concrete surface, is known as
6. The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is
7. The datum temperature for maturity by Plowman, is
8. For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is
9. 1% of voids in a concrete mix would reduce its strength by about
10. The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for  obtaining the aggregates of F.M. 5.4, is
11. The most useless aggregate is one whose surface texture is
12. The final operation of finishing floors, is known as
13. The bulk density of aggregates, is generally expressed as
14. The top diameter, bottom diameter and the height of a slump mould are:
15. Vicat's apparatus is used for
16. Slump test of concrete is a measure of its
17. The ratio of the length to breadth of a wooden float, is
18. For concreting tunnel linings, transportation of concrete is done by
19. The grade of concrete not recommended by I.S. : 456, is
20. Slump test of concrete is a measure of its
21. For an ordinary Portland cement
22. Transport of concrete by pumps, is done for a distance of
23. Maximum percentage reinforcement in case of slabs is limited to
24. An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S. sieve No. 9, more than
25. Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is







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