To determine the modulus of rupture, the size of test specimen used is
(A) 150 × 150 × 500 mm
(B) 100 × 100 × 700 mm
(C) 150 × 150 × 700 mm
(D) 100 × 100 × 500 mm
(A) 150 × 150 × 500 mm
(B) 100 × 100 × 700 mm
(C) 150 × 150 × 700 mm
(D) 100 × 100 × 500 mm