The modulus of rupture of concrete in terms of its characteristics cube compressive strength (fck) in mpa according to is 456-2000 is
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Missing options in question :-
a) 5000 fck
b) 0.7 fck
c) 5000 √ fck
d) 0.7 √ fck
Answer :- 0.7 √ fck
Let Fcr we the modulus of rupture
Characteristics cube compressive strength in mpa - fck
Fcr = 0.7 √ Fck
So , the correction option is (d) = d) 0.7 √ fck
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