A. M15
B. M20
C. M 10
D. M25
A. 0.35 d
B. 0.40 d
C. 0.45 d
D. dependent on grade of concrete also
A. balanced beam
B. under-reinforced beam
C. over-reinforced beam
D. none of the above
A. increasing the depth of beam
B. using thinner bars but more in number
C. using thicker bars but less in number
D. providing vertical stirrups
A. less
B. more
C. equal
D. none of the above
A. 2.0 to 3.5
B. 3.5 to 5.0
C. 5.0 to 7.0
D. 6.0 to 8.5
A. steel and concrete are same
B. steel is lower than that for concrete
C. steel is higher than that for concrete
D. none of the above
A. remains constant
B. increases with richer mixes
C. decreases with richer mixes
D. none of the above
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
A. 5%
B. 10 %
C. 15%
D. 20%