TEST BANK PRACTICE QUESTIONS AND STUDY GUIDE
ACCURATE EXAM COMPLETE REAL QUESTIONS AND
CORRECT VERIFIED SOLUTIONS WITH DETAILED
RATIONALES (RELIABLE ANSWERS) CURRENTLY
UPDATED VERSION 2026 EDITION
Design Pressure
Pressure required for an emission device to work properly
Direct Burial Wire
(listed UL UF) Any wire approved for direct underground burial without
conduit.
Distribution Uniformity
How a system uniformly applies water to a zone
Drain Valve
An automatic or manual valve used to drain water from a line after the
system has operated.
Dry Line Shock (Dry Pipe Shock)
The shock that occurs when an opened valve allows water to rush
through empty pipe, may damage Heads or pipe due to water that's
coming out a faster rate than normal
,dynamic pressure
The pressure of water as it is moving through the system (i.e. Working
Pressure).
Emission device
Any device that is contained within an irrigation system that is used to
apply water.
emitter
Component within a drip line
Evapo-transpiration
All the water a plant needs to survive
Feet of head
.433 psi
FIP
Female iron pipe
flow
movement of water in a piping system
Flow-Control Valve
A valve that can be mechanically adjusted to restrict water flow
, Flow Restrictions
Physical restrictions in component parts of an irrigation system that
affect the flow of water thus causing a pressure loss.
Friction Loss
Pressure loss caused by friction as water flows through the component
parts of a system
GPM
gallons per minute
GPH
Gallons per hour
gauge wire
thickness of wire
Gate Valve
A shutoff valve closed by lowering a wedge-shaped gate across the
passage.
Insert Fittings
A fitting that fits into pipe or tubing. Usually used on polyethylene pipe
and tubing.