134. The nature of the stress in horizontal members of the truss shown in Fig. 6.3 may be
A. compressive
B. tensile
C. shear
D. zero
135. The force in DB of the truss shown in Fig. 6.3 is
A. W compression
B. FW tension
C. 2 W compression
D. 5 W tension
136. The force in the member DE of the truss shown in Fig. 6.3 will be
A. zero
B. 2 W tensile
C. 2 W compressive
D. 4 W compressive
137. Pick up the correct statement from the following :
A. A ductile material has large plastic zone
B. A brittle material has no plastic zone
C. A rigid material has no plastic zone
D. All the above.
138. Pick up the correct statement from the following :
A. The distance of the eccentric axial load from the C.G. beyond which tension develops, is known as kern distance
B. In visco-elastic material, stress-strain relation is dependent on time
C. An instropic material has different properties is different directions
D. All the above.
139. The value of Poisson's ratio always remains
A. greater than one
B. less than one
C. equal to one
D. none of these.
140. The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is
A.1
B.2
C.3
D.0
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