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

A. 2
B. 3
C. 6
D. 8

Independent displacement components at each joint of a rigid-jointed plane frame are_________________?

A. Three linear movements
B. Two linear movements and one rotation
C. One linear movement and two rotations
D. Three rotations

A pin-jointed plane frame is unstable if________________?

A. (m + r)<2j
B. M + r = 2j
C. (m + r)>2j
D. None of the above

The number of independent equations to be satisfied for static equilibrium in a space structure is___________________?

A. 2
B. 3
C. 4
D. 6

The degree of static indeterminacy of a rigid-jointed space frame is_________________?

A. M + r – 2j
B. M + r – 3j
C. 3m + r – 3j
D. 6m + r – 6j

The number of independent displacement components at each joint of a rigid-jointed space frame is_______________?

A. 1
B. 2
C. 3
D. 6

The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?

A. Internal forces only
B. External forces only
C. Internal as well as external forces
D. None of the above

Principle of superposition is applicable when___________________?

A. Deflections are linear functions of applied forces
B. Material obeys hooke’s law
C. The action of applied forces will be affected by small deformations of the structure
D. None of the above

The carryover factor in a prismatic member whose far end is fixed is___________________?

A. 0
B. 1/2
C. 3/4
D. 1

The degree of static indeterminacy up to which column analogy method can be used is__________________?

A. 2
B. 3
C. 4
D. Unrestricted