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Chapter:

regulation-modules-and-canal-structure

1. The process of distribution of water from main canal to branches is termed as canal regulation.

True False

True

The water enters main canal from river and this water has to be divided into different branches, distributaries in accordance to relative demand on se different channels. Therefore this process of distribution of water is called as canal distribution.

Hint Answer

2. The discharge value of water is controlled by?

Hydraulic Jump Falls Regulators Velocity of the flow

Regulators

The discharge value of water has to be adjusted to any value necessary to distribute water effectively. This is done with help of regulators.

Hint Answer

3. By using canal regulation works we can control discharges, depths, and velocities in canals.

False True

True

Canal regulation works are structures constructed in order to control and regulate discharges, depths, and velocities in canals. These structures ensure efficient functioning of irrigation canal system.

Hint Answer

4. How many types of canal irrigation works are re?

5 4 6 3

5

There are five types of canal irrigation works, namely canal falls, canal regulators, canal escapes, metering flumes, and canal outlets and modules.

Hint Answer

5. What is angle made by this off taking channel with parent channel?

$What is angle made by this off taking channel with parent channel?\r\n \r\n$

15 degrees Zero degrees 20 degrees 10 degrees

Zero degrees

This off taking channel makes a zero angle with parent channel initially and n separates out in transition. This is best ideal alignment.

Hint Answer

6. When does alignment depicted by following diagram used?

$When does alignment depicted by following diagram used?\r\n \r\n$

To Maintain Proper Energy Dissipation To Control Velocity of the Flow To Control Hydraulic Jump To Avoid Silt Accumulation

To Avoid Silt Accumulation

The transitions from main channel to off taking channel have to be designed properly so as to avoid accumulation of silt or say silt jetty. So refore to serve as an alternative to transitions both channels have to make an angle with parent channel upstream of off take.

Hint Answer

7. What does below diagram represent?

$What does below diagram represent?\r\n \r\n$

Undesired Alignment of off taking Channel Parent Channel Carried Straight Off taking Channel making an angle with the Centre of Parent Channel Canal Outlet

Parent Channel Carried Straight

This represents that, whenever parent channel has to be carried straight n edge of canal should be considered in deciding angle of off take channel.

Hint Answer

8. How many main functions of a head regulator are?

4 1 2 3

3

The main functions of a head regulator are to control and regulate water entering off take channel, to serve as a meter for measuring discharge, and to control silt entering into off take channel.

Hint Answer

9. How many numbers of conditions of flow are to be followed while designing cross regulator and head regulator?

2 3 4 1

2

The conditions are considered for worst conditions of flow. The flow of canal should be taken as it is when re is full supply of discharge down channel with all gates of both head and cross regulators fully open. The discharge in main channel is low but in off take channel is running full, FSL is maintained by partial opening of gates of cross regulator.

Hint Answer

10. By what structures regulator can control supplies entering off take channel?

Sluice Gates Falls Piers and Planks Dams

Piers and Planks

The regulator consists of essential parts like piers which are placed across canal at regular intervals with grooves, in which eir planks or gates can be used to control supplies entering off take channel.

Hint Answer

Nexttt

All Chapters

View all Chapter and number of question available From each chapter from Irrigation-engineering-Mcqs

Techniques & Quality

Techniques & Quality

Water Requirements of Crops

Water Requirements of Crops

Canal Irrigation System

Canal Irrigation System

Sediment Transport and Irrigation Channels Design

Sediment Transport and Irrigation Channels Design

Lining of Irrigation Canals and its Economics

Lining of Irrigation Canals and its Economics

Water Logged Reclamation and Saline Soils for Agricultural Purposes

Water Logged Reclamation and Saline Soils for Agricultural Purposes

Irrigation Revenue Rates

Irrigation Revenue Rates

Rivers Behaviour, Control and Training

Rivers Behaviour, Control and Training

Diversion Head Works, Hydraulic Jump Usefulness in Irrigation Structure

Diversion Head Works, Hydraulic Jump Usefulness in Irrigation Structure

Seepage Theories and Weirs and Barrages Design

Seepage Theories and Weirs and Barrages Design

Canal Falls

Regulation Modules and Canal Structure

Regulation Modules and Canal Structure

Cross Drainage Work

Cross Drainage Work

Culverts Small Road Bridges Construction

Culverts Small Road Bridges Construction

Ground Water for Irrigation through Wells and Tubewells

Ground Water for Irrigation through Wells and Tubewells

General and Particular Dams

General and Particular Dams

Reservoirs and Dam Reservoirs Planning

Reservoirs and Dam Reservoirs Planning

Gravity and Dam Design Construction

Gravity and Dam Design Construction

Earthen and Rock Fill Dams

Earthen and Rock Fill Dams

Spillways, Energy Dissipators and Spillway Gates

Spillways, Energy Dissipators and Spillway Gates

Pressure Conduits, Outlet Works through Dams and Rivers

Pressure Conduits, Outlet Works through Dams and Rivers

Hydro Electric Power

Hydro Electric Power

River Navigation and Tank Irrigation

River Navigation and Tank Irrigation

Arch and Buttress Dams

Arch and Buttress Dams

Exam oriented Questions

Exam oriented Questions from irrigation engineering

Topics

This Chapter regulation-modules-and-canal-structure consists of the following topics

Regulation Modules and Canal Structure

The process of distribution of water from main canal to branches is termed as canal regulation.

The discharge value of water is controlled by?

By using canal regulation works we can control discharges, depths, and velocities in canals.

How many types of canal irrigation works are re?

What is angle made by this off taking channel with parent channel?

$What is angle made by this off taking channel with parent channel?\r\n \r\n$

;

When does alignment depicted by following diagram used?

$When does alignment depicted by following diagram used?\r\n \r\n$

;

What does below diagram represent?

$What does below diagram represent?\r\n \r\n$

;

How many main functions of a head regulator are?

How many numbers of conditions of flow are to be followed while designing cross regulator and head regulator?

By what structures regulator can control supplies entering off take channel?

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