Dams MCQ with answer and solution

Concept

Gravity Dam

Formula

N/A

Step-by-step solution

1. Identify the given question about the structural type of Sardar Sarovar Dam. 2. Recall that Sardar Sarovar Dam is a concrete gravity dam that relies on its self-weight for stability. 3. Select Option C as the correct choice.

Explanation

The Sardar Sarovar Dam is a concrete gravity dam. A gravity dam is built using heavy materials like concrete so that its massive weight alone is enough to resist the strong pushing force of the stored water and keep the structure stable.

Shortcut

To easily remember the type of Sardar Sarovar Dam, use the association "Sardar = Heavy/Massive = Gravity": - Sardar: Named after Sardar Vallabhbhai Patel, the "Iron Man of India," symbolizing massive strength and stability. - Gravity Dam: A concrete dam that relies on its massive weight to hold back water pressure.

Common mistake

A common mistake is selecting option B by confusing the main Sardar Sarovar concrete gravity structure with earth-fill embankment dams like Tehri Dam or assuming it is an earthen dam due to its associated dykes. Another frequent mistake is selecting option A by misinterpreting the presence of rock-fill dykes as making the primary dam a composite structure rather than a concrete gravity dam.