The final operation of finishing floors, is known as

A. Screeding

B. Floating

C. Trowelling

D. Finishing

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  1. Pick up the correct proportions of chemical ingredients of cement
  2. For a continuous slab of 3 m × 3.5 m size, the minimum overall depth of slab to satisfy vertical…
  3. The shuttering of a hall measuring 4 m × 5 m, can be removed after
  4. Curing a concrete for long period ensures better
  5. The bulk density of aggregates does not depend upon:
  6. Batching error means inaccuracy in the quantity of
  7. For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit…
  8. Internal friction between the ingredients of concrete, is decreased by using
  9. The minimum cover in a slab should neither be less than the diameter of bar nor less than
  10. Le-Chatelier's apparatus is used for testing
  11. 'Ware house pack' of cement means
  12. Maximum distance between expansion joints in structures as per IS: 456 1978 is
  13. For quality control of Portland cement, the test essentially done is
  14. The risk of segregation is more for
  15. In a pile of length l, the points of suspension from ends for lifting it are located at
  16. Strength of concrete increases with
  17. The concrete mix which causes difficulty in obtaining a smooth finish, possess
  18. In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on
  19. Efflorescence in cement is caused due to an excess of
  20. The process of hardening the concrete by keeping its surface moist is known
  21. In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided…
  22. Which of the following R.C. retaining walls is suitable for heights beyond 6 m?
  23. Pick up the correct statement from the following:
  24. If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided…
  25. The ratio of the length to breadth of a wooden float, is
  26. In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for
  27. For compacting plain concrete road surface of thickness less than 20 cm, we use
  28. Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively…
  29. The final operation of finishing floors, is known as
  30. Poisson's ratio for concrete