Physics · Fluid Mechanics
In a standard rheological plot between shear stress (τ) on the y-axis and velocity gradient (shear rate, du/dy) on the x-axis, let curve P lie on the y-axis, line Q be a straight line with a positive y-intercept and positive slope, line S be a straight line passing through the origin with a positive slope, and curve T lie on the x-axis. Which one of the following options correctly identifies these materials/fluids?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1P → Ideal fluid; Q → Ideal Bingham plastic; R → Non-Newtonian fluid; T → Real solid
- 2P → Ideal fluid; Q → Ideal Bingham plastic; R → Non-Newtonian fluid; S → Newtonian fluid
- 3P → Real solid; Q → Newtonian fluid; R → Ideal Bingham plastic; T → Ideal fluid
- 4P → Real solid; Q → Ideal Bingham plastic; S → Newtonian fluid; T → Ideal fluid✓
Correct answer
P → Real solid; Q → Ideal Bingham plastic; S → Newtonian fluid; T → Ideal fluid
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