Q. Lining of canals can bring high areas under command.

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Q. Design a lined canal carrying a discharge of 20 cumecs. The slope is 1 in 7000. Assume suitable values for side slopes and lining.

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Q. Design a lined canal to carry a discharge of 400 cumecs and slope is 1 in 6000. Take side slopes as 1 : 1 and rugosity constant as 0.012. Assume limiting velocity as 3 m/sec.

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Q. Depending on what factor does the lining of a canal can increase the capacity of the canal?

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Q. Mathematically, depending on what factor we can say velocity increases the capacity of the canal?

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Q. What type of major dangers can the lining of canals extinguish?

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Q. What costs are reduced with the help of lining a canal?

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Q. A lined canal costs about 2 to 2.5 times as much as the unlined canal.

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Q. Which of the following is not an advantage of the lining of the canal?

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Q. The capacity of the channel is a function of velocity.

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Q. What is the range of value of Manning’s coefficient for straight alignment for cast in-situ concrete lining?

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Q. Lining decreases the channel capacity and consequently reduces the required channel section.

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Q. Removal of silt considerably reduces the annual expenditure required on unlined channels for desilting.

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Q. Which of the following statement is wrong?

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Q. Which of the following statement is wrong?

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Q. What types of channel sections are usually adopted?

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Q. What is the maximum permissible velocity in Cement concrete lining (Unreinforced) as per Indian Standards?

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Q. What is the minimum value of free-board for Main and Branch Lined canals if the discharge is more than 10 cumecs as per specified by BIS code?

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Q. What is the minimum value of inspection bank width recommended by Indian Standards if the discharge is more than 30 cumecs?

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Q. The distance measured above the F.S.L and to the top of the lining is known as free-board.

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