61. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is A. 0.211 L B. 0.25 L C. 0.234 L D. 0.5 L Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
62. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is A. Unstable B. Stable and statically determinate C. Stable and statically indeterminate D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
63. Pick up the correct statement applicable to cased columns. A. Single I-beam or channels back with or without flange plates may be used B. The overall dimensions of the steel section do not exceed 750 × 450 mm over plate if used C. The column is unpainted and is solidly encased in ordinary dense concrete with 10 mm aggregates having a minimum of cube strength 160 kg/cm2 at 28 days D. The surface and edges of the steel column should be provided a concrete cover not less than 50 mm E. All the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option E No explanation is given for this question Let's Discuss on Board
64. In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity E$$I$$ is taken as A. $$\frac{{\text{L}}}{{{\text{E}}I}}$$ B. $$\frac{{\text{L}}}{{2{\text{E}}I}}$$ C. $$\frac{{\text{L}}}{{3{\text{E}}I}}$$ D. $$\frac{{\text{L}}}{{4{\text{E}}I}}$$ Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
65. For under water concreting. A. At least 10 percent more cement is required as compared to dry conditions B. The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate C. De-watering by pumping is not done or until 24 hours thereafter D. All the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
66. In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always A. Zero B. Less than 1 C. 1 D. Greater than 1 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board