Q. What is the minimum difference between the upstream and downstream water levels to allow designed discharge through the module?

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Q. What is the ratio of the depth of water levels over the crest is called?

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Q. What is the ratio of head output to the head input called?

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Q. Which type of non-modular outlet is used in South India?

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Q. The discharge through the open sluice is given by suppressed weir formula.

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Q. Why would a submerged pipe outlet be laid inclined?

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Q. How many types of submerged pipe outlets can be laid?

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Q. What is the formula for velocity through the pipe?

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Q. To ensure equitable distribution of water flexible and rigid modules are preferred.

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Q. What is the range of modular outlet called?

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Q. To ensure the modularity of the modular outlet what should be maintained?

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Q. What is the value of HL?

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Q. Which of the following is not a type of semi-modules?

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Q. Which of the following is the simplest and the oldest type of a flexible outlet?

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Q. Calculate full supply discharge for a free pipe outlet for the following data:

Head on the upstream side above the centre line of pipe = 0.55 m
Coefficient of discharge = 0.62
The diameter of the pipe = 25 cm

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Q. Which module is mostly adopted and is considered to be the best of all the modules?

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Q. Calculate the minimum modular head loss involved in ASOM if the head measured from the upstream water level in the distributary is 1.5 m and the width of the throat as 0.16 m.

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Q. The proportionality of APM was sacrificed to enable the outlet to carry higher silt charge by increasing the setting to 8/10.

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Q. Calculate the discharge through an open flume outlet for the following data:

Coefficient of discharge = 1.71
Width of the throat = 0.15 m
Head over the crest measured from FSL of distributary = 1.8 m

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Q. The only irrigation semi-module through which the discharge is not proportional to H1/2 where H is the head causing flow through the module is _____________

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