Engineering - Civil Enginnering

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25.

Diagonal tension in a beam                        
A. is maximum at neutral axis B. decreases below the neutral axis and increases above the neutral axis
C. increases below the neutral axis and decreases above the neutral axis D. remains same



26.

Due to circumferential action of the spiral in a spirally reinforced column                        
A. capacity of column is decreased B. ductility of column reduces
C. capacity of column is decreased but ductility of column increases D. both the capacity of column and ductility of column increase



27.

Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to                        
A. deflect downward B. deflect upward
C. deflect downward or upward D. none of the above




28.

During erection, the pile of length / is supported by a crane at a distance of
from the driving end of pile which rests on the ground                        
A. 0.207 / B. 0.293 /
C. 0.7071 D. 0.793 /



29.

Finer grinding of cement                        
A. affects only the early development of strength B. affects only the ultimate strength
C. both (a) and (b) D. does not affect the strength



30.

For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is                        
A. 3.5 m B. 4 m
C. 4.5 m D. 5 m



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