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BRAE 340 exam 2 Questions with Complete Solutions

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BRAE 340 exam 2 Questions with Complete Solutions Choose the best match between the limitations and the irrigation systems affected: Must be picked up and trailered to the other end of the field Correct Answ_hand move It is difficult to apply small application amounts with surface irrigation systems (T/F) Correct Answ_true Lower water and power costs help to offset higher costs for systems which an achieve high DUs (T/F) Correct Answ_true Center pivots, with their high application rates, are best suited to course textured soils (T/F) Correct Answ_true

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Institution
BRAE 340
Course
BRAE 340

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BRAE 340 exam 2 Questions with Complete
Solutions

Choose the best match between the limitations and the irrigation systems affected: Must be

picked up and trailered to the other end of the field Correct Answ_hand move




It is difficult to apply small application amounts with surface irrigation systems (T/F) Correct

Answ_true




Lower water and power costs help to offset higher costs for systems which an achieve high DUs

(T/F) Correct Answ_true




Center pivots, with their high application rates, are best suited to course textured soils (T/F)

Correct Answ_true




It is usually unsatisfactory to level severely undulating soils for surface irrigation (T/F)

Correct Answ_true




Double line hose Correct Answ_drip

,Contour furrow Correct Answ_surface




Certa-Set Correct Answ_fixed grid




LEPA Correct Answ_moving




In order to obtain good distribution uniformity from sloping furrows, what is required?

Correct Answ_runoff




It is easy to apply small application amounts with surface irrigation systems (T/F) Correct

Answ_false




Drip irrigation is always the best irrigation system to use (T/F) Correct Answ_false




A "torpedo" is a special drill for installing underground pipe (T/F) Correct Answ_false




Side roll Correct Answ_fixed grid

, Tape Correct Answ_drip




What are the basic causes of unwanted, non-beneficial deep percolation? Correct Answ_poor

DU and poor timing




What is required to get a good irrigation efficiency with a pressurized irrigation system?

Correct Answ_good DU and good timing




Subirrigation is not a type of irrigation system (T/F) Correct Answ_true




A "torpedo" is a weight pulled behind a tractor to compact furrows (T/F) Correct Answ_true




Distribution uniformity is a measure of what? Correct Answ_how evenly water is made

available to plants throughout a field




What needs to happen before any pressure measurements are taken? Correct Answ_turn off

the backflush

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Institution
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Course
BRAE 340

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