Irrigation Retest Review

What are the three soil particles?

• sand

• silt

• clay

• loam

• peat

What term means the rate water is needed by the plant- a combination of the amount of water evaporated from the soil and transpired by the plant?

• Evaporation

• Irrigation

• Transpiration

• Combined water loss (CWL)

• Evapotranspiration

What piece of irrigation equipment is required by law?

• Ball valve

• Rain sensor

• Controller

• Timer

What is the brain of the irrigation system?

• timer

• solenoid

• sprinkler

• controller

When is the best time to irrigate?

• morning hours

• around noon

• early afternoon

• evening

• after dark

What part of a rotor sprinkler can be changed/adjusted to change the application rate based on the circle radius selected?

• nozzle

• rotor

• heads

• pop-ups

What protects public health and safety by preventing water contamination and pollution?

• point of connection

• backflow prevention device

• valves

• vacuum breaker

What is the most common issue with microirrigation?

• clogging

• sun damage

• cracks

• leaks

What greatly increases the chances and severity of an electric shock?

• metal pipes

• rubber soled boots

• water

• uninsulated tool handles