determining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than (A) Two members with unknown forces of the frame (B) Three members with unknown forces of the frame (C) Four members with unknown forces of the frame (D) Three members with known forces of the frame

determining stresses in frames by methods of sections, the frame is divided into two parts by an
imaginary section drawn in such a way as not to cut more than
(A) Two members with unknown forces of the frame
(B) Three members with unknown forces of the frame
(C) Four members with unknown forces of the frame
(D) Three members with known forces of the frame
by

1 Answer

Answer :

(B) Three members with unknown forces of the frame
by

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If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is (A) 37 cm (B) 38 cm (C) 39 cm (D) 40 cm

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