A. higher initial setting time but lower final setting time
B. lower initial setting time but higher final setting time
C. higher initial and final setting times
D. lower initial and final setting times
0
Bulking of sand is maximum if moisture content is about____________?
0
1% of voids in a concrete mix would reduce its strength by about______________?
A. 2 %
B. 4%
C. 6%
D. 10%
0
Finer grinding of cement______________?
A. 5%
B. 10 %
C. 15%
D. 20%
0
Poisson’s ratio for concrete_______________?
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
0
The factor of safety for______________?
A. remains constant
B. increases with richer mixes
C. decreases with richer mixes
D. none of the above
0
The fineness modulus of fine aggregate is in the range of______________?
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
0
The compressive strength of 100 mm cube as compared to 150 mm cube is always_______________?
A. 2.0 to 3.5
B. 3.5 to 5.0
C. 5.0 to 7.0
D. 6.0 to 8.5
0
If a beam fails in bond, then its bond strength can be increased most economi-cally by___________?
A. less
B. more
C. equal
D. none of the above
0
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called________________?
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
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