Q. Hydraulic radius is denoted by _________

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Q. Hydraulic depth is a ratio of wetted area to _____

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Q. What is the hydraulic depth (D) of a rectangular section?

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Q. In manning’s formula, V = 1/n×m²/3×i^(1/2). N stands for ___________

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Q. What is the coefficient of rugosity for brick lined surface?

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Q. Most economical section is also called as __________

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Q. For most economical section __________ should be minimum.

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Q. A rectangular channel has cross sectional area of 50 m². If the channel section is to be most economical calculate the depth. Take B = 10m.

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Q. _________ are used to change the water level in a canal.

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Q. The flow of water is controlled in hydraulic structures by ____________

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Q. The units of discharge are _____________

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Q. The stress acts tangential to circumference is called ______ stress.

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Q. The hoop stress is _____________ along the x axis.

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Q. The cylinder has a tendency to split up along _____________ due to circumferential stress.

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Q. ____________ is half the circumferential stress.

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Q. Which of the following is also known as axial stress?

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Q. The layers of wood wearing thickness from ____________ to __________ is called veneers.

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Q. _____________ is used as decorative facings.

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Q. Which of the following is known as block board?

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Q. Which of the following is also known as pressed woods?

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