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Q: How much deduction should be made in the hollows of blocks during a hollow concrete block wall construction?
  • A. Half of the openings
  • B. All openings
  • C. Width deduction
  • D. No deduction
Correct Answer: Option D - Hollow concrete block is an important addition to the type of masonry units available to the builder and its use for masonry work is on constant increase in this concrete. It is reduced mortar, construction, light weight and greater speed of work compared to brick masonry. • No deduction should be made in the hollow of blocks during a hollow concrete block wall construction.
D. Hollow concrete block is an important addition to the type of masonry units available to the builder and its use for masonry work is on constant increase in this concrete. It is reduced mortar, construction, light weight and greater speed of work compared to brick masonry. • No deduction should be made in the hollow of blocks during a hollow concrete block wall construction.

Explanations:

Hollow concrete block is an important addition to the type of masonry units available to the builder and its use for masonry work is on constant increase in this concrete. It is reduced mortar, construction, light weight and greater speed of work compared to brick masonry. • No deduction should be made in the hollow of blocks during a hollow concrete block wall construction.