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MCQs

Total Questions : 605 | Page 60 of 61 pages
Question 591. The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2)
  1.    A uniformly distributed load w/unit length
  2.    An isolated load at mid span
  3.    A load varying linearly from zero at one end to w at the other end
  4.    None of these
 Discuss Question
Answer: Option A. -> A uniformly distributed load w/unit length
Question 592. In a shaft, the shear stress is not directly proportional to
  1.    Angle of twist
  2.    Length of the shaft
  3.    Radius of the shaft
  4.    Modulus of rigidity
 Discuss Question
Answer: Option B. -> Length of the shaft
Question 593. For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is
  1.    45°
  2.    30°
  3.    90°
  4.    60°
 Discuss Question
Answer: Option C. -> 90°
Question 594. The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is
  1.    WI²/12
  2.    WI²/8
  3.    WI/2
  4.    WI²/4
 Discuss Question
Answer: Option B. -> WI²/8
Question 595. If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,
  1.    Horizontal thrust is wl2/8h
  2.    S.F. will be zero throughout
  3.    M. will be zero throughout
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 596. Two parallel, equal and opposite forces acting tangentially to the surface of the body is called as
  1.    Complementary stress
  2.    Compressive stress
  3.    Shear stress
  4.    Tensile stress
 Discuss Question
Answer: Option C. -> Shear stress
Question 597. When tensile stress is applied axially on a circular rod its
  1.    diameter decreases and length increases
  2.    diameter decreases
  3.    length increases
  4.    None of these
 Discuss Question
Answer: Option A. -> diameter decreases and length increases
Question 598. Slenderness ratio of a long column, is
  1.    Area of cross-section divided by radius of gyration
  2.    Area of cross-section divided by least radius of gyration
  3.    Radius of gyration divided by area of cross-section
  4.    Length of column divided by least radius of gyration
 Discuss Question
Answer: Option D. -> Length of column divided by least radius of gyration
Question 599. When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
  1.    tensile stress
  2.    compressive stress
  3.    shear stress
  4.    thermal stress
 Discuss Question
Answer: Option D. -> thermal stress
Question 600. A simply supported beam A carries a point load at its mid span
  1.    2/3
  2.    3/2
  3.    5/8
  4.    8/5
 Discuss Question
Answer: Option D. -> 8/5

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