CIT Water Conservation and Scheduling 1

Question 1

What does ET stand for in irrigation scheduling?

Accepted Answer

Evapotranspiration

Answer

Effective Timing

Answer

Emitter Technology

Answer

Estimated Throughput

Question 2

Which controller type uses local weather data to automatically adjust irrigation run times?

Accepted Answer

ET-based (SMART) controller

Answer

Mechanical timer

Answer

Simple digital timer

Answer

Manual valve controller

Question 3

What is a 'water budget' in irrigation controller programming?

Accepted Answer

A seasonal percentage adjustment to run times based on ET

Answer

The annual cost of water

Answer

A maximum allowable daily run time

Answer

Total gallons stored in the system

Question 4

What is 'cycle and soak' programming designed to prevent?

Accepted Answer

Runoff on slopes or clay soils with slow infiltration

Answer

Controller short-circuits

Answer

Backflow device fouling

Answer

Emitter clogging

Question 5

Which metric measures how uniformly an irrigation system applies water across a zone?

Accepted Answer

Distribution uniformity (DU)

Answer

Static pressure

Answer

Flow rate (GPM)

Answer

Dynamic pressure

Question 6

What is the purpose of a rain sensor on an irrigation system?

Accepted Answer

Automatically suspend irrigation during or after rain

Answer

Measure total annual rainfall

Answer

Increase flow rate during dry spells

Answer

Trigger backflow preventer testing