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MCQs

Total Questions : 605 | Page 1 of 61 pages
Question 1. 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
  1.    2/3
  2.    3/2
  3.    5/8
  4.    8/5
 Discuss Question
Answer: Option D. -> 8/5
Question 2. Principal planes are subjected to
  1.    Normal stresses only
  2.    Tangential stresses only
  3.    Normal stresses as well as tangential stresses
  4.    None of these
 Discuss Question
Answer: Option A. -> Normal stresses only
Question 3. 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
  1.    M/I = R/E = F/Y
  2.    I/M = R/E = F/Y
  3.    M/I = E/R = F/Y
  4.    M/I = E/R = Y/F
 Discuss Question
Answer: Option C. -> M/I = E/R = F/Y
Question 4. 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
  1.    M/T
  2.    T/M
  3.    2M/ T
  4.    2T/M
 Discuss Question
Answer: Option C. -> 2M/ T
Question 5. A masonry dam (density = 20,000 N/m³) 6 m high, one metre 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
  1.    75 N/m²
  2.    750 N/m²
  3.    7500 N/m²
  4.    75000 N/m²
 Discuss Question
Answer: Option C. -> 7500 N/m²
Question 6. 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
  1.    1/8
  2.    1/10
  3.    1/12
  4.    1/16
 Discuss Question
Answer: Option D. -> 1/16
Question 7. 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
  1.    1/2
  2.    2/3
  3.    1/4
  4.    1/3
 Discuss Question
Answer: Option B. -> 2/3
Question 8. 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
  1.    1/8
  2.    1/4
  3.    1/2
  4.    1/3
 Discuss Question
Answer: Option C. -> 1/2
Question 9. A uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is
  1.    el/2d
  2.    e²l/3d²
  3.    el²/3d²
  4.    e²l²/3d²
 Discuss Question
Answer: Option C. -> el²/3d²
Question 10. A three hinged arch is generally hinged at its supports and
  1.    At one quarter span
  2.    At the crown
  3.    Anywhere in the rib
  4.    None of these
 Discuss Question
Answer: Option C. -> Anywhere in the rib

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