Home » Quizzes » Structural Analysis MCQ Quiz Test 01 Civil Engineering

Structural Analysis MCQ Quiz Test 01 Civil Engineering

The number of independent equations to be satisfied for static equilibrium of a plane structure is

Correct! Wrong!

For 2D plan 3 equastions for 3D space 6 equations

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

Correct! Wrong!

Pin jointed plane frame Ds = m+r-2j Pin jointed space frame Ds = m+r-3j Rigid jointed plane frame Ds = 3m+r-3j Rigid jointed space frame Ds = 6m+r-6j

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

Correct! Wrong!

Degree of static indeterminancy of rigid jointed plane frame having 15 members, 3 reaction components and 14 joints is

Correct! Wrong!

For rigid join plan frame Ds = 3m+r-3j From given Ds = 3*15+3-3*14 Ds = 6

Degree of kinematic indeterminacy of a pin jointed plane frame is given by

Correct! Wrong!

Kinematic Indeterminacy for Pin jointed plane frame Dk = 2j-r Pin jointed space fram Dk = 3j-r Rigid jointed plane frame Dk = 3j-(r+m)+r' Rigid jointed space frame Dk = 6j-(r+m)+r'

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

Correct! Wrong!

Fx, Fy, Mz Rotation Mz

If in a pin jointed plane frame (m+r)>2j, then the frame is

Correct! Wrong!

Ds = m+r-2j for stable is positive then indeterminate

A pin jointed plane frame is unstable if

Correct! Wrong!

If Ds negative then unstable

A rigid jointed plane frame is stable and statically determinate if

Correct! Wrong!

Which beam shown is unstable

structural analysis fig 01 beam determinacy 1
Correct! Wrong!

Degree of kinematic indeterminacy of the beam shown is

1
Correct! Wrong!

Dk = 3j-(r+m)+r' Dk = 3*6-5*5+(2-1)+(2-1) Dk = 10

The rigid jointed frame shown is

structural analysis fig 03 beam determinacy 1
Correct! Wrong!

Dk = 3m+r-3j Dk = 3*2+3-3*3 Dk = 0 Stable and determinate

The degree of kinematic indeterminacy of the pin jointed frame shown is

1
Correct! Wrong!

Dk = 2j-r Dk = 2*3-4 Dk = 2

The number of independent equestions to be satisfied for static equilibrium in a space structure is

Correct! Wrong!

For plane = 3 for space = 6

Degree of static indeterminacy of a pin jointed space frame is given by

Correct! Wrong!

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

Correct! Wrong!

rigid jointed plane frame Ds = 3m + r – 3j space frame Ds = 6m + r - 6j

The degree of kinematic indeterminacy of a pinjointed space frame is

Correct! Wrong!

Kinematic indeterminacy Pin jointed plane frame 2j-r PIn jointed space frame 3j-r

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

Correct! Wrong!

2d rigid joint = 3 3d rigid join = 6 2d truss joint = 2 3d truss joint = 3

If in a rigid-jointed space frame, (6m+r)<6j, then the frame is

Correct! Wrong!

Ds 0, Indeterminate and Stable

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

Correct! Wrong!

Leave a Reply