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Q: The maximum permissible free fall on concrete as per IS 456:2000 is
  • A. Less than 1.0 m
  • B. 1.5 m
  • C. 2.0 m
  • D. More than 5.0 m
Correct Answer: Option B - According to IS 456 : 2000, As a general guidance, the maximum permissible free fall of concrete may be taken as 1.5 m.
B. According to IS 456 : 2000, As a general guidance, the maximum permissible free fall of concrete may be taken as 1.5 m.

Explanations:

According to IS 456 : 2000, As a general guidance, the maximum permissible free fall of concrete may be taken as 1.5 m.