The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to __________.
• How nozzle tips and applicators change the shape and speed of water spray • Whether pressure at the base of the nozzle actually changes between tips • What part of the system is responsible for breaking up the water stream
• Think about what physically causes water to become a fine mist versus a solid stream—what component actually does that job? • If you keep pump pressure the same and only change tips/applicators, does the pressure necessarily change, or does something else change instead? • Consider whether the length of the applicator alone would change the spray pattern, or if its internal design matters more.
• Identify which choice directly relates to how the stream is broken up into droplets or mist. • Decide whether pump pressure is actually different when switching between high- and low-velocity uses of the same nozzle. • Ask yourself if length by itself (without internal design changes) would significantly alter spray pattern.
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