GATE Civil Engineering
0 votes

Let the characteristic strength be defined as that value, below which not more than $50 \%$ of the results are expected to fall. Assuming a standard deviation of $4$ MPa, the target mean strength (in MPa) to be considered in the mix design of a $M25$ concrete would be

  1. $18.42$
  2. $21.00$
  3. $25.00$
  4. $31.58$
in Others by (3.9k points)
retagged by

Please log in or register to answer this question.

Welcome to GATE Civil Q&A, where you can ask questions and receive answers from other members of the community.
Top Users Sep 2020
  1. Vishwajeet Chandra

    110 Points

  2. Milicevic3306

    10 Points

1,042 questions
95 answers
44,029 users