Category: Structural Analysis

A. is increased
B. is decreased
C. remains unchanged
D. becomes zero

A. Flexibility matrix is a square symmetrical matrix
B. Stiffness matrix is a square symmetrical matrix
C. both A. and B.
D. none of the above

A. 0.16 Wl
B. 0.20 Wl
C. 0.24 Wl
D. 0.25 Wl

A. change from compression to tension
B. change from tension to compression
C. always be compression
D. always be tension

i) of a stiffness matrix must be positive
ii) of a stiffness matrix must be negative
iii) of a flexibility matrix must be positive
iv) of a flexibility matrix must be negative
The correct answer is

A. (i) and (iii)
B. (ii) and (iii)
C. (i) and (iv)
D. (ii) and (iv)

A. displacements
B. force
C. displacements and forces
D. none of the above

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

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

A. internal forces only
B. external forces only
C. internal as well as external forces
D. none of the above

i) bending moment
ii) shear force
iii) axial force
The correct answer is

A. only (i)
B. (i)and(ii)
C. (ii) and (iii)
D. (i), (ii) and (iii)