Structural Analysis

31. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in

1. Vertical direction
2. Horizontal direction
3. Inclined direction
4. The direction in which the deflection is required

View answer

32. The deformation of a spring produced by a unit load is called

1. Stiffness
2. Flexibility
3. Influence coefficient
4. Unit strain

View answer

33. The degree of kinematic indeterminacy of a pin-jointed space frame is

1. 2j - r
2. 3j - r
3. j - 2r
4. j - 3r
   Where j is number of joints and r is reaction components

View answer

34. The degree of static indeterminacy of a pin-jointed space frame is given by (Where 'm' is number of unknon member forces, 'r' is unknwon reaction compnunts and 'j' is number of joints)

1. m + r - 2j
2. m + r - 3j
3. 3m + r - 3j
4. m + r + 3j

View answer

35. The degree of static indeterminacy of a rigid-jointed space frame is

1. m + r - 2j
2. m + r - 3j
3. 3m + r - 3j
4. 6m + r - 6j
   Where m, r and j have their usual meanings

View answer

36. The degree of static indeterminacy up to which column analogy method can be used is

1. 2
2. 3
3. 4
4. Unrestricted

View answer

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

1. Roller support
2. Hinged support
3. Fixed support
4. Free end

View answer

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

1. Always occurs at centre of span
2. Always occurs under a wheel load
3. Never occurs under a wheel load
4. None of the above

View answer

39. The number of independent displacement components at each joint of a rigid-jointed space frame is

1. 1
2. 2
3. 3
4. 6

View answer

40. The number of independent equations to be satisfied for static equilibrium in a space structure is

1. 2
2. 3
3. 4
4. 6

View answer