## Answer & Solution

**Option A**

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

62.

If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is

63.

Pick up the correct statement applicable to cased columns.

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

65.

For under water concreting.

66.

In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always