IRRIGATION EXAM QUESTION AND ANSWERS REVISED IN 2025

IRRIGATION EXAM QUESTION AND
ANSWERS REVISED IN 2025


Static Pressure minus all pressure losses will give you?

a. Design Pressure
b. Actual Head Pressure (AHP)
c. Minimum head pressure
d. Pressure to design - ANSWER- tob. Actual Head Pressure (AHP)

The degrees of coverage of a sprinkler from one side of a pattern to the
other is:
a. Application Rate
b. Percolation rate
c. The trajectory
d. The - ANSWER- arcd. The arc

A timing device which signals the automatic vales to open or close is
called a:

a. Remote control valve
b. Controller
c. Clock
d. Timer
E. B, C, and - ANSWER- dE. B, C, and d

Controller
Clock
Timer

A device used to turn a quick coupler valve on and off is:

a. A sprinkler key
b. A quick coupler key
c. A faucet Handle

, d. A - ANSWER- solenoidb. A quick coupler key

Minimum head pressure plus the total of all the pressure losses equals:

a. Design pressure
b. Actual head pressure
c. Hydraulics
d. Operating - ANSWER- pressurea. Design pressure

A graphic representation of precipitation is called:

a. A plan
b. An irrigation design
c. A Water Audit
d. A - ANSWER- desogramA desogram
The flexible portion of the remote control valve which regulates the
passage of water through the valve is called:

a. Flow control
b. The solenoid
c. A diaphragm
d. External manual - ANSWER- bleedc. A diaphragm

A device used in electrical troubleshooting is:

a. A sensor
b. An electrical control valve
c. A check valve
d. A digital - ANSWER- multimeterd. A digital multimeter

Which device can be used to help prevent freezing of water in the piping:

a. Pressure relief valve
b. Drain Valve
c. Pump
d. Air relief - ANSWER- valveb. Drain Valve