Q. The blanket in earth dam is provided ___________________

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Q. Which of the following statement is correct with reference to earthen dams?

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Q. During the construction of an earthen dam by hydraulic fill method, development of pore pressure becomes important in the __________________

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Q. The process of laying and compacting earth in layers by power rollers under OMC for construction of earthen dams is known as ______________________

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Q. The central core of the zoned embankment type earth dam ________________________

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Q. Which type of dam is suitable on shallow pervious foundations?

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Q. What is the U.S.B.R recommended value for freeboard when the height of the dam is more than 60 m?

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Q. What is the recommended formula for top width of a very low dam?

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Q. What is the Terzaghi’s recommended value of U/s side slope for earth dam of height less than 15m of homogenous silty clay?

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Q. If the height of the dam is 10 m, then the value of top width (A) according to Strange’s recommendations is _________________

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Q. When the height of the dam is in between 7.5 to 15, the Strange’s recommended value for maximum freeboard of low earth dams is ______________

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Q. Calculate the top width (A) of the earth dam of height 50 m.

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Q. A phreatic line in seepage analysis is defined as the line on which pressure is _______________

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Q. Provision of horizontal berms at suitable vertical intervals may be provided in the downstream face of an earthen dam in order to _________________

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Q. During seepage through an earthen mass, the direction of seepage is ________________ to the equipotential lines.

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Q. The upstream face of the earth dam is considered as _____________________

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Q. The effects of capillary fringe are on the slightly safer side and are neglected.

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Q. Which of the following line acts as a dividing line between dry (or moist) and submerged line?

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Q. Stone pitching or riprap is generally provided to avoid _______________

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Q. Provision of sufficient freeboard eliminates _______________

i. Over-topping failure
ii. Erosion of U/s face
iii. Erosion of D/s face
iv. Cracking due to frost action
v. Gully formation

Which of the following is/are correct?

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