BRAE 340 Exam 2 questions with
complete solutions
Match the system below to the category of irrigation system:
Sloping Furrow - correct answer ✔✔Surface
Match the system below to the category of irrigation system:
Contour furrow - correct answer ✔✔Surface
Match the system below to the category of irrigation system:
Linear move - correct answer ✔✔Moving
Match the system below to the category of irrigation system:
Traveler - correct answer ✔✔Moving
Match the system below to the category of irrigation system:
Emitters - correct answer ✔✔Drip
Match the system below to the category of irrigation system:
Wheel line - correct answer ✔✔Fixed Grid
Match the system below to the category of irrigation system:
Center pivot - correct answer ✔✔Moving
Match the system below to the category of irrigation system:
, Level basin - correct answer ✔✔Surface
Match the system below to the category of irrigation system:
Double line hose - correct answer ✔✔Drip
Match the system below to the category of irrigation system:
LEPA - correct answer ✔✔Moving
Which one of the following irrigation systems is not a pressurized irrigation system? - correct
answer ✔✔Sloping furrows
Which solid set sprinkler application rate is acceptable if the infiltration rate is 0.27 in/hr? -
correct answer ✔✔The application rate must be below the infiltration rate.
The correct answer is: 0.24 in/hr
Which one of these irrigation systems has the lowest capital cost ($/acre)? - correct answer
✔✔Center Pivot
In order to obtain good distrubution uniformity (DU) from sloping furrows, which one of the
following is required? - correct answer ✔✔Runoff
Water is turned into the top end of a sloping furrow system for 25 hours (total irrigation time =
25 hrs). The time to reach the end of the furrows should be which of the following for the best
DU? - correct answer ✔✔11 hours
For sloping furrows, you want the advance ratio to be < 0.5. That is, (advance time)/(total
irrigation time) < (0.5). Hence, the advance time should be half of the total hours or less.
What factor under control of the irrigator has the greatest affect on drip/micro irrigation system
DU? - correct answer ✔✔Pressure adjustments
complete solutions
Match the system below to the category of irrigation system:
Sloping Furrow - correct answer ✔✔Surface
Match the system below to the category of irrigation system:
Contour furrow - correct answer ✔✔Surface
Match the system below to the category of irrigation system:
Linear move - correct answer ✔✔Moving
Match the system below to the category of irrigation system:
Traveler - correct answer ✔✔Moving
Match the system below to the category of irrigation system:
Emitters - correct answer ✔✔Drip
Match the system below to the category of irrigation system:
Wheel line - correct answer ✔✔Fixed Grid
Match the system below to the category of irrigation system:
Center pivot - correct answer ✔✔Moving
Match the system below to the category of irrigation system:
, Level basin - correct answer ✔✔Surface
Match the system below to the category of irrigation system:
Double line hose - correct answer ✔✔Drip
Match the system below to the category of irrigation system:
LEPA - correct answer ✔✔Moving
Which one of the following irrigation systems is not a pressurized irrigation system? - correct
answer ✔✔Sloping furrows
Which solid set sprinkler application rate is acceptable if the infiltration rate is 0.27 in/hr? -
correct answer ✔✔The application rate must be below the infiltration rate.
The correct answer is: 0.24 in/hr
Which one of these irrigation systems has the lowest capital cost ($/acre)? - correct answer
✔✔Center Pivot
In order to obtain good distrubution uniformity (DU) from sloping furrows, which one of the
following is required? - correct answer ✔✔Runoff
Water is turned into the top end of a sloping furrow system for 25 hours (total irrigation time =
25 hrs). The time to reach the end of the furrows should be which of the following for the best
DU? - correct answer ✔✔11 hours
For sloping furrows, you want the advance ratio to be < 0.5. That is, (advance time)/(total
irrigation time) < (0.5). Hence, the advance time should be half of the total hours or less.
What factor under control of the irrigator has the greatest affect on drip/micro irrigation system
DU? - correct answer ✔✔Pressure adjustments
