51. To minimize the effect of differential settlement, the area of a footing should be designed for
52. The load carrying capacity of a helically reinforced column as compared to that of a tied column is about
53. If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be
54. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
55. A higher modular ratio shows
56. Normally prestressing wires are arranged in the
57. Modulus of rupture of concrete is a measure of
58. In order to obtain the best workability of concrete, the preferred shape of aggregate is
59. In a counterfort retaining wall, the main reinforcement is provided on the
i) bottom face in front counterfort
ii) inclined face in front counterfort
iii) bottom face in back counterfort
iv) inclined face in back counterEort
The correct answer is
i) bottom face in front counterfort
ii) inclined face in front counterfort
iii) bottom face in back counterfort
iv) inclined face in back counterEort
The correct answer is
60. The effect of adding calcium chloride in concrete is
i) to increase shrinkage
ii) to decrease shrinkage
iii) to increase setting time
iv) to decrease setting time
The correct answer is
i) to increase shrinkage
ii) to decrease shrinkage
iii) to increase setting time
iv) to decrease setting time
The correct answer is
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