A$.$ Consistency in material properties.

B$.$ Consistency in nodal displacements.

C$.$ Consistency in element stiffness.

D$.$ Consistency in loading conditions.

E$.$ Consistency in nodal rotations.

$($A$)($B$)($C$)($D$)($E$)$

$18.$ In the consistent deformation method, what is the main advantage of using displacement compatibility equations?

A$.$ They simplify the analysis process.

B$.$ They ensure accurate results.

C$.$ They allow for easy application of boundary conditions.

D$.$ They account for material nonlinearity.

E$.$ They guarantee convergence of the solution.

$($A$)$

$($B$)$

$($C$)$

$($D$)($E$)$

$19.$ In consistent deformation method, how are internal forces distributed within an element?

A$.$ Uniformly.

B$.$ Proportional to the nodal displacements.

C$.$ Based on the element length.

D$.$ According to the nodal rotations.

E$.$ Randomly.

$($A$)$

$($B$)$

$($C$)$

$($D$)($E$)$

$20.$ What is the consistent deformation method primarily used for in structural analysis?

A$.$ Material testing.

B$.$ Structural analysis.

C$.$ Dynamic analysis.

D$.$ Deflection calculation.

E$.$ None of the above.

$($A$)($B$)($C$)($D$)($E$)$

$21.$ In consistent deformation method, what condition must be satisfied at the nodes to ens compatibility?

A$.$ Nodal displacements must be zero.

B$.$ Nodal displacements must be equal.

C$.$ Nodal displacements must be continuous.

D$.$ Nodal rotations must be zero.

E$.$ Nodal rotations must be equal.

$($A$)($B$)($C$)($D$)($E$)$