Theory Of Structures MCQs | Page - 1

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📊 Theory Of Structures
Q. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be
  • (A) 2/3
  • (B) 3/2
  • (C) 5/8
  • (D) 8/5
💬 Discuss
✅ Correct Answer: (D) 8/5
📊 Theory Of Structures
Q. Principal planes are subjected to
  • (A) Normal stresses only
  • (B) Tangential stresses only
  • (C) Normal stresses as well as tangential stresses
  • (D) None of these
💬 Discuss
✅ Correct Answer: (A) Normal stresses only
📊 Theory Of Structures
Q. Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F and elasticity stress and the depth of the neutral axis at section, then
  • (A) M/I=R/E=F/Y
  • (B) I/M=R/E=F/Y
  • (C) M/I=E/R=F/Y
  • (D) M/I=E/R=Y/F
💬 Discuss
✅ Correct Answer: (C) M/I=E/R=F/Y
📊 Theory Of Structures
Q. A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is
  • (A) M/T
  • (B) T/M
  • (C) 2M/T
  • (D) 2T/M
💬 Discuss
✅ Correct Answer: (C) 2M/T
📊 Theory Of Structures
Q. A masonry dam (density = 20,000 N/m3) 6 m high, one meter wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be
  • (A) 75 N/m2
  • (B) 750 N/m2
  • (C) 7,500 N/m2
  • (D) 75,000 N/m2
💬 Discuss
✅ Correct Answer: (C) 7,500 N/m2
📊 Theory Of Structures
Q. The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is
  • (A) 1/8
  • (B) 1/10
  • (C) 1/12
  • (D) 1/16
💬 Discuss
✅ Correct Answer: (D) 1/16
📊 Theory Of Structures
Q. The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is
  • (A) 1/2
  • (B) 2/3
  • (C) 1/4
  • (D) 1/3
💬 Discuss
✅ Correct Answer: (B) 2/3
📊 Theory Of Structures
Q. The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is
  • (A) 1/8
  • (B) 1/4
  • (C) 1/2
  • (D) 1/3
💬 Discuss
✅ Correct Answer: (C) 1/2
📊 Theory Of Structures
Q. The deflection of a uniform circular bar of diameter d and length L
, which extends by an amount under a tensile pull W, when it carries the same load at its mid-span, is
  • (A) el/2d
  • (B) e2l/3d2
  • (C) el2/3d2
  • (D) e1/2/3d2
💬 Discuss
✅ Correct Answer: (C) el2/3d2
📊 Theory Of Structures
Q. A three hinged arch is generally hinged at its supports and
  • (A) At one quarter span
  • (B) At the crown
  • (C) Anywhere in the rib
  • (D) None of these
💬 Discuss
✅ Correct Answer: (C) Anywhere in the rib

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