41. Effects of shear force and axial force on plastic moment capacity of a structure are respectively to
a) increase and decrease
b) increase and increase
c) decrease and increase
d) decrease and decrease
Ans: d
42. Which of the following methods of structural analysis is a force method ?
a) slope deflection method
b) column analogy method
c) moment distribution method
d) none of the above
Ans: b
43. Which of the following methods of structural analysis is a displacement method ?
a) moment distribution method
b) column analogy method
c) three moment equation
d) none of the above
Ans: a
44. In the displacement method of structural analysis, the basic unknowns are
a) displacements
b) force
c) displacements and forces
d) none of the above
Ans: a
45. The fixed support in a real beam becomes in the conjugate beam a
a) roller support
b) hinged support
c) fixed support
d) free end
Ans: d
46. The width of the analogous column in the method of column analogy is
a) 2/EI
b) 1/EI
c) 1/2 EI
d) 1/4 EI
Ans: b
47. A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?
a) 5 mm
b) 0.5 mm
c) 0.05 mm
d) 0.005mm
Ans: a
48. The deformation of a spring produced by a unit load is called
a) stiffness
b) flexibility
c) influence coefficient
d) unit strain
Ans: b
49. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is
a) 0.211 L
b) 0.25 L
c) 0.234 L
d) 0.5 L
Ans: a
50. Muller Breslau's principle for obtaining influence lines is applicable to
i) trusses
ii) statically determinate beams and frames
iii) statically indeterminate structures, the material of which is elastic and follows Hooke's law
iv) any statically indeterminate structure
The correct answer is
a) (i), (ii) and (iii)
b) (i), (ii) and (iv)
c) (i) and (ii)
d) only (i)
Ans: a
51. Consider the following statements:
Sinking of an intermediate support of a continuous beam
1. reduces the negative moment at support.
2. increases the negative moment at support.
3. reduces the positive moment at support.
4. increases the positive moment at the center of span.
Of these statements
a) i and 4 are correct
b) 1 and 3 are correct
c) 2 and 3 are correct
d) 2 and 4 are correct
Ans: a
52. A load 'W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is
a) 0.16 Wl
b) 0.20 Wl
c) 0.24 Wl
d) 0.25 Wl
Ans: c
53. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would
a) change from compression to tension
b) change from tension to compression
c) always be compression
d) always be tension
Ans: a
Read More Questions:
Structural Analysis MCQs Part1
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a) increase and decrease
b) increase and increase
c) decrease and increase
d) decrease and decrease
Ans: d
42. Which of the following methods of structural analysis is a force method ?
a) slope deflection method
b) column analogy method
c) moment distribution method
d) none of the above
Ans: b
43. Which of the following methods of structural analysis is a displacement method ?
a) moment distribution method
b) column analogy method
c) three moment equation
d) none of the above
Ans: a
44. In the displacement method of structural analysis, the basic unknowns are
a) displacements
b) force
c) displacements and forces
d) none of the above
Ans: a
45. The fixed support in a real beam becomes in the conjugate beam a
a) roller support
b) hinged support
c) fixed support
d) free end
Ans: d
46. The width of the analogous column in the method of column analogy is
a) 2/EI
b) 1/EI
c) 1/2 EI
d) 1/4 EI
Ans: b
47. A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?
a) 5 mm
b) 0.5 mm
c) 0.05 mm
d) 0.005mm
Ans: a
48. The deformation of a spring produced by a unit load is called
a) stiffness
b) flexibility
c) influence coefficient
d) unit strain
Ans: b
49. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is
a) 0.211 L
b) 0.25 L
c) 0.234 L
d) 0.5 L
Ans: a
50. Muller Breslau's principle for obtaining influence lines is applicable to
i) trusses
ii) statically determinate beams and frames
iii) statically indeterminate structures, the material of which is elastic and follows Hooke's law
iv) any statically indeterminate structure
The correct answer is
a) (i), (ii) and (iii)
b) (i), (ii) and (iv)
c) (i) and (ii)
d) only (i)
Ans: a
51. Consider the following statements:
Sinking of an intermediate support of a continuous beam
1. reduces the negative moment at support.
2. increases the negative moment at support.
3. reduces the positive moment at support.
4. increases the positive moment at the center of span.
Of these statements
a) i and 4 are correct
b) 1 and 3 are correct
c) 2 and 3 are correct
d) 2 and 4 are correct
Ans: a
52. A load 'W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is
a) 0.16 Wl
b) 0.20 Wl
c) 0.24 Wl
d) 0.25 Wl
Ans: c
53. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would
a) change from compression to tension
b) change from tension to compression
c) always be compression
d) always be tension
Ans: a
Read More Questions:
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Structural Analysis MCQs Part2
Structural Analysis MCQs Part3
Structural Analysis MCQs Part4
Structural Analysis MCQs Part5
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