- A. 0.211 L
- B. 0.25 L
- C. 0.234 L
- D. 0.5 L
Structural Analysis
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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_____.
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The minimum horizontal distance between two parallel main reinforcing bars, is_____.
- A. The diameter of the bar if their diameters are same
- B. The diameter of the longer bar if their diameters are unequal
- C. 5 mm more than nominal maximum size of the coarse aggregate
- D. Greatest value of the above
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The number of independent displacement components at each joint of a rigid-jointed space frame is_____.
- A. 1
- B. 2
- C. 3
- D. 6
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Which of the following is not the displacement method?
- A. Equilibrium method
- B. Column analogy method
- C. Moment distribution method
- D. Kani’s method
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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
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The degree of static indeterminacy of a pin-jointed space frame is given by (where m is number of unknown member forces, r is unknown reaction components and j is number of joints)
- A. m + r – 2j
- B. m + r – 3j
- C. 3m + r – 3j
- D. m + r + 3j
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The number of independent equations to be satisfied for static equilibrium of a plane structure is_____.
- A. 1
- B. 2
- C. 3
- D. 6
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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
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When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that_____.
- A. the head of the load reaches the section
- B. the tail of the load reaches the section
- C. the load position should be such that the section divides it equally on both sides
- D. the load position should be such that the section divides the load in the same ratio as it divides the span
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Castigliano’s first theorem is applicable_____.
- A. for statically determinate structures only
- B. when the system behaves elastically
- C. only when principle of superposition is valid
- D. none of the above