Q. ____________________ is provided when large scale stratification occurs.

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Q. The only provision among the following which can help control the seepage through the body of an earthen dam and thus to keep the phreatic line well within the dam width is _________________

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Q. During the maintenance of an earthen dam, the apparent seepage through the foundation of the dam is best taken care of by providing ______________________

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Q. The base width of a rock-fill dam in comparison to that of an earthen dam is _______________

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Q. On moderate foundations and particularly in seismic areas, the type of dam which can preferably be considered for construction is ___________________

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Q. According to Terzaghi, the ratio of D₁₅ of filter to D₁₅ of base material should be _____________

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Q. Which of the following is not provided in order to control the possibility of sand boiling?

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Q. The seepage forces within the filter are controlled up to permissible small magnitudes when the ratio of D₁₅ of filter to D₁₅ of base material is ___________________

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Q. An arch dam looks like a single arch in _________________

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Q. A non-vertical arch dam is known as a _______________

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Q. Greater is the wall curvature in an arch dam, greater will be the economy in the dam thickness.

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Q. Which of the following is the most economical type of arch dam?

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Q. A constant angle arch dam when compared to constant radius arch dam utilizes concrete quality of about ______________

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Q. Which among the following type of dam section is expected to be the thinnest and the most economical?

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Q. The most economical central angle of the arch rings of an arch dam can be adopted only at one place preferably at mid-height in an arch dam is of the type __________________

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Q. In an arch dam, the extrados curve refer to the arch rings corresponding to the ____________________

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Q. A V-shaped valley with stronger foundations can suggest the choice of an arch dam is of the type ___________________________

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Q. A constant radius arch dam is also sometimes called as _______________

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Q. The type of arch dam which generally requires overhangs at abutments is of ________________________

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Q. Which of the following forces is the least important in the design of arch dams?

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