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Q: The maximum thickness of concrete floor of a cement warehouse is
  • A. 10 cm
  • B. 15 cm
  • C. 20 cm
  • D. 25 cm
Correct Answer: Option D - For protection of cement against deterioration and retaining its freshness its storage should be such that no dampness is allowed to reach cement either from environment, walls or from the ground. So for preventing the moisture absorption from ground the slab thickness is kept 15cm minimum to 25cm maximum.
D. For protection of cement against deterioration and retaining its freshness its storage should be such that no dampness is allowed to reach cement either from environment, walls or from the ground. So for preventing the moisture absorption from ground the slab thickness is kept 15cm minimum to 25cm maximum.

Explanations:

For protection of cement against deterioration and retaining its freshness its storage should be such that no dampness is allowed to reach cement either from environment, walls or from the ground. So for preventing the moisture absorption from ground the slab thickness is kept 15cm minimum to 25cm maximum.