SSC JE Civil Engineering 30-Oct-2020 Shift 2 Paper

Explanation:
● A section is said to be most efficient, if, for a given cross-section area, the discharge carrying capacity is maximum.
● The highest component of total construction cost is of lining & if the perimeter is kept minimum the cost of lining will be minimum, hence it will be the most economical section.
● There are some important section and condition to be most efficient;