Texas Irrigator EXAM QUESTIONS
WITH CORRECT SOLUTIONS||100%
GUARANTEED PASS||ALREADY
GRADED A+||UPDATED
2025/2026||<<NEWEST VERSION>>||
The best measure of the amount of water the needs to be replaced by the irrigation
system is ______ - ANSWER ✓ evapotranspiration rate
The basic reason for drip irrigation is very successful for plant growth is _____ -
ANSWER ✓ soil moisture content can be kept at a relative constant and proper
level
The reasons why drip is considered very water efficient and conserves water is
that _____ - ANSWER ✓ it is precise in water placement and control and less
water is lost to wind and evaporation
____ ____ _____ cause for the greatest evaporation - ANSWER ✓ LONG RUN
TIMES
___________ are emission devices used in confined area, like tree wells -
ANSWER ✓ MINI-SPRINKLERS
shrub heads on risers __________ - ANSWER ✓ can be a hazard and should be
placed against a wall or structure
Excessive water pressure for a sprinkler system - ANSWER ✓ Can shorten the
operating life of the heads, uneven distribution of water, major cause for water
waste
Never place rotary and spray heads on the same circuit because _______ -
ANSWER ✓ their precipitation rates vary greatly
, As the wall thickness of a pipe increases the inside diameter - ANSWER ✓
decreases
As the wall thickness of a pipe increases the outside diameter - ANSWER ✓ stays
the same
In the case of 1" pipe, the 1" is - ANSWER ✓ the nominal size
Corrosion caused when two dissimilar metals come in contact with each other is
________ - ANSWER ✓ ELECTROLYSIS
Which is not a designated type of copper tubing?
M
K
S
L - ANSWER ✓ S
Which of the following would have the smallest inside diameter?
1" type "K" copper
1" type "M" copper
1" type "L" copper - ANSWER ✓ 1" type "K" copper
If the pipe is 1", then the sleeve should be at least _____ " - ANSWER ✓ 1 1/2"
PVC 2210 has a design burst strength of - ANSWER ✓ 1000 psi
Class 315 pipe - ANSWER ✓ has a working pressure rating of 315 psi
A safe critical velocity for the water in PVC pipe is. - ANSWER ✓ 5 ft/s
Oversizing piping results in _______ - ANSWER ✓ More expense
Looping a main supply line in sprinkler system can. - ANSWER ✓ Lower
pressure loss to the circuits and Allow you to use smaller pipe for the main supply
line
WITH CORRECT SOLUTIONS||100%
GUARANTEED PASS||ALREADY
GRADED A+||UPDATED
2025/2026||<<NEWEST VERSION>>||
The best measure of the amount of water the needs to be replaced by the irrigation
system is ______ - ANSWER ✓ evapotranspiration rate
The basic reason for drip irrigation is very successful for plant growth is _____ -
ANSWER ✓ soil moisture content can be kept at a relative constant and proper
level
The reasons why drip is considered very water efficient and conserves water is
that _____ - ANSWER ✓ it is precise in water placement and control and less
water is lost to wind and evaporation
____ ____ _____ cause for the greatest evaporation - ANSWER ✓ LONG RUN
TIMES
___________ are emission devices used in confined area, like tree wells -
ANSWER ✓ MINI-SPRINKLERS
shrub heads on risers __________ - ANSWER ✓ can be a hazard and should be
placed against a wall or structure
Excessive water pressure for a sprinkler system - ANSWER ✓ Can shorten the
operating life of the heads, uneven distribution of water, major cause for water
waste
Never place rotary and spray heads on the same circuit because _______ -
ANSWER ✓ their precipitation rates vary greatly
, As the wall thickness of a pipe increases the inside diameter - ANSWER ✓
decreases
As the wall thickness of a pipe increases the outside diameter - ANSWER ✓ stays
the same
In the case of 1" pipe, the 1" is - ANSWER ✓ the nominal size
Corrosion caused when two dissimilar metals come in contact with each other is
________ - ANSWER ✓ ELECTROLYSIS
Which is not a designated type of copper tubing?
M
K
S
L - ANSWER ✓ S
Which of the following would have the smallest inside diameter?
1" type "K" copper
1" type "M" copper
1" type "L" copper - ANSWER ✓ 1" type "K" copper
If the pipe is 1", then the sleeve should be at least _____ " - ANSWER ✓ 1 1/2"
PVC 2210 has a design burst strength of - ANSWER ✓ 1000 psi
Class 315 pipe - ANSWER ✓ has a working pressure rating of 315 psi
A safe critical velocity for the water in PVC pipe is. - ANSWER ✓ 5 ft/s
Oversizing piping results in _______ - ANSWER ✓ More expense
Looping a main supply line in sprinkler system can. - ANSWER ✓ Lower
pressure loss to the circuits and Allow you to use smaller pipe for the main supply
line
