A. roller support
B. hinged support
C. fixed support
D. free end
A. the beam is prismatic
B. there is no settlement of supports
C. there is no discontinuity such as hinges within the span
D. the spans are equal
A. change from compression to tension
B. change from tension to compression
C. always be compression
D. always be tension
A. displacements
B. force
C. displacements and forces
D. none of the above
A. 0
B. 1/2
C. 3/4
D. 1
A. m + r – 2j
B. m + r – 3j
C. 3m + r – 3j
D. 6m + r – 6j
where m, r and j have their usual meanings
A. (m + r)<2j
B. m + r = 2j
C. (m + r)>2j
D. none of the above
where m is number of members, r is reaction components and j is number of joints