Irrigation Water Conveyance and Application Methods
Subtopic: Surface, sprinkler and micro irrigation methods
Question Statement:
Several identical sprinkler nozzles, each having discharge Q (litre per minute), are spaced in a grid of size L (metre) × S (metre). The application rate in mm h⁻¹ is
Options:
(A) 60Q/
(B) 3600Q/
(C) LS/
(D) LS/
Official Answer Key:
A
Step-by-Step Solution & Explanation
Volume applied per hour by one nozzle = 60Q litres = 0.06Q m³ (Q in L/min × 60 min).
Area served by one nozzle = L×S m².
Depth applied per hour = Volume/Area = 0.06Q/(LS) m = 60Q/(LS) mm/h. Answer: (A).
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