GATE CE 2024 Set 2 — Question 24
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Water Resources Engineering → Fluid Properties & Statics → Properties of Fluids
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Question
The following figure shows a plot between shear stress and velocity gradient for materials/fluids .
Which one of the following options is CORRECT?
Correct answer
(B) P ightarrow Real solid; Q ightarrow Ideal Bingham plastic; S ightarrow Newtonian fluid; T ightarrow Ideal Fluid
Solution
Based on the rheological plot of shear stress () vs velocity gradient ():
1.P lies on the shear stress axis (), meaning it can sustain shear stress without flowing. This represents a Real solid.
2.Q has a non-zero intercept (yield stress) and a linear relationship, representing an Ideal Bingham plastic.
3.S is a straight line passing through the origin, representing a Newtonian fluid.
4.T lies on the velocity gradient axis (), meaning it offers no resistance to flow. This represents an Ideal Fluid.
5.R has a yield stress and a non-linear relationship, representing a Non-Newtonian fluid.
Option (B) correctly identifies these relationships.Continue learning with Success Tracker
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