Q. Which of the following curve is provided when the slope of the chute changes from milder to steeper?

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Q. Calculate the freeboard for the top levels of the side walls if the mean velocity of water in the chute reach is 3.5 m/s and the mean depth of water in the chute reach under consideration is 4.7 m.

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Q. The minimum slope of the chute is governed by the condition that _____________

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Q. What is the approximate percentage of light reinforcement that is provided in the top of the reinforced concrete slabs at the base?

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Q. A shaft spillway is located _______________________

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Q. The siphons installed within a gravity dam to spill the surplus reservoir water are known as ______________________

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Q. The siphons installed over overflow dams constitute what are known as __________________

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Q. The only spillway among the following through which the discharge does not increase as fast as it increases in all others is _________________

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Q. The only spillway among the following through which the discharge is almost at its capacity rate even from the start of its functioning is ________________

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Q. An air vent is provided at FRL to break the siphoning action at that level in a ___________________

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Q. Which of the following spillway is designed in India by Ganesh Iyer?

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Q. The crest of a siphon spillway is fixed at ________________

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Q. A siphon spillway is sufficiently independent of the water surface elevation of the reservoir.

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Q. The allowable maximum negative head on an average is equal to __________

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Q. The structure which is not used in a shaft spillway is ________________

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Q. Morning glory is the _____________________________

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Q. For a saddle siphon, the maximum operative head is 4.53 m. The width and height of the throat of the siphon are 5 m and 2.25 m respectively. The coefficient of discharge is 0.90. How many units are required to pass a flood of 350 cumecs? (Assume g = 10 m/s2)

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Q. A siphon spillway in a concrete gravity dam is in the shape of ________________

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Q. The energy dissipation at the toe of the spillway is affected basically by the use of hydraulic jump in _______________________

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Q. The most ideal condition for energy dissipation in the design of spillways is the one when the tail-water rating curve coincides with the jump rating curve at all discharge.

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