Irrigation Systems Quiz

Which of the following is one of the main objectives of irrigation supply?

• Ensure enough moisture essential for plant growth

• Provide crop insurance against long duration drought

• Increase the hazards of soil piping

• Reduce the salinity of the soil

Which of the following types of irrigation systems involves delivering water to plant roots through above-ground tubing with tiny emitters?

• Drip irrigation

• Sprinkler irrigation

• Flood irrigation

• Surface irrigation

Which of the following components of an irrigation system directs water from the source of supply, such as a reservoir or a river, into the irrigation system?

• Main intake structure

• Conveyance system

• Distribution system

• Field application system

Which of the following best describes distribution system

• Assures the transport of water from the main intake structure or main pumping station up to the field ditches

• Assures the transport of water through field ditches to the irrigated fields

• Assures the transport of water within the fields

• Removes the excess water from the fields

What is a disadvantage of furrow irrigation?

• Low initial investment of equipment

• Low water requirement

• High efficiency

• High water loss

Which of the following is a type of surface irrigation where water is applied to a strip of land between two parallel ridges?

• Furrow irrigation

• Border strip irrigation

• Level basin irrigation

• Sprinkler irrigation

What is the primary objective of contour farming?

• Maximizing water runoff

• Minimizing water infiltration

• Conserving rainwater and reducing soil erosion

• Accelerating soil losses

Which of the following types of irrigation methods is highly suitable for sandy soils where water lost through infiltration is high?

• Drip Irrigation

• Flood Irrigation

• Sprinkler Irrigation

• Surface Irrigation

What is the primary function of a surface drainage system?

• To promote leaching of nutrients into the soil

• To create standing pools of water for wildlife

• To retain surface water for agricultural use

• To remove excess water from an area before it enters the soil

What is the function of a pressure regulator in an irrigation system?

• To increase the water pressure in the system

• To maintain the water pressure in the system

• To store water for later use

• To filter water before it enters the system