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Civil Engineering :: Structural Analysis

1. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is

2.  A.  2 B.  3 C.  6 D.  8

3. For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to

4.  A.  5 mm less than the minimum clear distance between the main bars B.  5 mm less than the minimum cover to the reinforcement C.  Smaller of A and B D.  Greater of A and B

5. The fixed support in a real beam becomes in the conjugate beam a

6.  A.  Roller support B.  Hinged support C.  Fixed support D.  Free end

7. When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when

8.  A.  The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration B.  The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration C.  The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system D.  None of the above

9. The maximum bending moment due to a train of wheel loads on a simply supported girder

10.  A.  Always occurs at centre of span B.  Always occurs under a wheel load C.  Never occurs under a wheel load D.  None of the above

11. 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

12.  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

13. In the displacement method of structural analysis, the basic unknowns are

14.  A.  displacements B.  force C.  displacements and forces D.  none of the above

15. If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from

16.  A.  -2 mm to +2 mm B.  -3 mm to +3 mm C.  -4 mm to +4 mm D.  -5 mm to +5 mm

17. For the stability of a structural part, the weight or anchorage should be

18.  A.  1.2 times the minimum overturning moment due to dead load B.  1.4 times the minimum overturning moment due to dead load C.  Sum of (a) and (b) D.  None of these

19. The width of the analogous column in the method of column analogy is

20.  A.  2/EI B.  1/EI C.  1/2 EI D.  1/4 EI