A. stiffness
B. flexibility
C. influence coefficient
D. unit strain
A. is increased
B. is decreased
C. remains unchanged
D. becomes zero
A. always occurs at centre of span
B. always occurs under a wheel load
C. never occurs under a wheel load
D. none of the above
A. (m + r) = 2j
B. (m + r) = 3j
C. (3m + r) = 3j
D. (m + 3r) = 3j
where m is number of members, r is reaction components and j is number of joints
A. internal forces only
B. external forces only
C. internal as well as external forces
D. none of the above
A. 2j-r
B. 3j-r
C. j-2r
D. j-3r
where j is number of joints and r is reaction components
A. slope
B. curvature
C. deflection
D. bending moment