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← ScienceWhich performance decrease occurs when laminar inkjet printer heads clog?
A)Decreased droplet ejection accuracy✓
B)Increased ink reservoir pressure
C)Elevated head operating temperature
D)Nozzle material crystallization
💡 Explanation
Reduced viscosity raises resistance through the nozzle via Poiseuille flow. Because increased shear stress within ink prevents consistent droplet formation during ejection, therefore leading to decreased accuracy, rather than simple reduced flow or thermal effects.
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