Irrigation & Water Management Flashcards
6 cards from real CHT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Irrigation & Water Management flashcards as text
What is the recommended practice when winterizing an irrigation system in a cold climate?
Answer: Blow out all water using compressed air
Winterizing involves blowing out irrigation lines with compressed air to remove all water and prevent pipe and head damage from freezing.
An irrigation audit involves:
Answer: Measuring precipitation rate and uniformity of an irrigation system
An irrigation audit measures how much water a system applies and how uniformly, using catch cans or other methods to assess system efficiency.
Which material is most commonly used for modern residential irrigation mainlines?
Answer: PVC (polyvinyl chloride)
PVC pipe is the standard material for residential irrigation mainlines due to its affordability, durability, and ease of installation.
What is the purpose of a pressure regulator in a drip irrigation system?
Answer: Reduce pressure to a level safe for drip components
Drip systems require low pressure (typically 15–30 PSI); pressure regulators reduce incoming line pressure to prevent blowing apart emitters or fittings.
Gray water reuse in landscape irrigation refers to:
Answer: Recycling household sink and laundry water for irrigation
Gray water is lightly used household water from sinks, showers, and laundry that can be redirected to irrigate non-edible landscape plants after basic treatment.
What does 'head-to-head coverage' mean in sprinkler design?
Answer: Each sprinkler throws water to reach the next head's location
Head-to-head coverage means each sprinkler's throw radius reaches the adjacent head, ensuring overlapping coverage and uniform distribution.