1. In Gravity dam, the factor of safety against overturning should not be less than _____.
[A] 1.15
[B] 1.5
[C] 1.8
[D] 2
Answer: Option B
2. In reservoir, the volume of water below the minimum pool level is known as _____.
[A] Dead storage
[B] Surcharge storage
[C] Useful storage
[D] Valley storage
Answer: Option A
3. Beaver dam is type of ____.
[A] Earth dam
[B] Buttress dam
[C] Timber dam
[D] Steel dam
Answer: Option C
4. Which of the following is not the mode of failure of a gravity dam?
[A]Overturning failure
[B] Sliding failure
[C] Tension failure
[D] Seepage failure
Answer: Option D
5. A filter is provided at the d/s toe of an earth dam _____.
[A] to prevent the piping action in the dam section
[B] to reduce the seepage through the dam
[C] to reduce the uplift pressure on the dam
[D] to collect and drain out the seepage water
Answer: Option D