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Q: In order to keep the unequal stresses created on account of the expansion and contraction joints provided in Hollow Block Masonry under control, controlled joints are introduced a\t definite intervals of
  • A. 5 to 10 m
  • B. 10 to 15 m
  • C. 15 to 20 m
  • D. 6 to 12 m
Correct Answer: Option A - For the unequal stresses created on account of the expansion and contraction joints provided in Hollow Block Masonry under control, controlled joints are introduced at intervals of 5 to 10 m.
A. For the unequal stresses created on account of the expansion and contraction joints provided in Hollow Block Masonry under control, controlled joints are introduced at intervals of 5 to 10 m.

Explanations:

For the unequal stresses created on account of the expansion and contraction joints provided in Hollow Block Masonry under control, controlled joints are introduced at intervals of 5 to 10 m.