Structural Analysis Ii Set 2 MCQs

Q1 | Independent displacement components at each joint of a rigid-jointed plane frame are

three linear movements

two linear movements and one rotation

one linear movement and two rotations

three rotations

Q2 | If there are m unknown member forces, r unknown reaction components and j number ofjoints, then the degree of static indeterminacy of a pin-jointed plane frame is given by

m + r + 2j

m - r + 2j

m + r - 2j

m + r - 3j

Q3 | The carryover factor in a prismatic member whose far end is fixed is

0

1/2

3/4

1

Q4 | Effects of shear force and axial force on plastic moment capacity of a structure are respectively to

increase and decrease

increase and increase

decrease and increase

decrease and decrease

Q5 | The maximum bending moment due to a train of wheel loads on a simply supported girder

always occurs at centre of span

always occurs under a wheel load

never occurs under a wheel load

none of the above

Q6 | When a series of wheel loads crosses a simply supported girder, the maximum bending momentunder any given wheel load occurs when

the centre of gravity of the load system is midway between the centre of span and wheel load under consideration

the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

none of the above

Q7 | Castigliano's first theorem is applicable

for statically determinate structures only

when the system behaves elastically

only when principle of superposition is valid

none of the above

Q8 | Number of unknown internal forces in each member of a rigid jointed plane frame is

1

2

3

6

Q9 | The number of independent equations to be satisfied for static equilibrium in a space structure is

2

3

4

6

Q10 | Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reactioncomponents and 14 joints is

2

3

6

8

Q11 | The degree of static indeterminacy up to which column analogy method can be used is

2

3

4

unrestricted

Q12 | A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bendingmoment will be

8 kn.m

15 kn.m

30 kn.m

60 kn.m

Q13 | The deformation of a spring produced by a unit load is called

stiffness

flexibility

influence coefficient

unit strain