Civil Engineering MCQAE Level Civil Engineering
The maximum failures of earthen dams have occurred due to
Irrigation EngineeringIrrigation EngineeringMEDIUM
Choose the correct answer
A
The erosion caused by burrowing animals
B
The piping under excessive hydraulic gradient
C
Overtopping caused by insufficient spillway capacity
D
Sloughing of d/s slope
Correct Answer
C. Overtopping caused by insufficient spillway capacity
Why is this the answer?
Statistical data on dam failures indicates that overtopping is the most frequent cause of failure for earthen dams, often due to inadequate spillway capacity during extreme flood events.
Related Irrigation Engineering MCQs
More solved Irrigation Engineering questions for AE/JE Civil Engineering exams.
- The 'Lacey''s regime theory' for design of stable alluvial canals gives:
- In irrigation, if the duty D (hectares per cumec) and delta delta (m) over the base...
- A silty soil of high compressibility is represented by
- Freeboard in a dam is the vertical distance between:
- The field irrigation requirement (FIR) for a crop is related to consumptive use (CU),...
- In canals likely to be water-logged, the preferable type of irrigation is
Practice more Civil Engineering questions
This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.