GATE XE · 2026 · XE-B
Question 31: Differential Analysis
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Question 31
XE-BMCQ2 marksNeeds review
A steady, laminar, and incompressible flow between a pair of infinite parallel plates is driven by a constant pressure gradient
. The plates are separated by a distance
, as shown in the figure. The fully-developed velocity profile of the flow is
where
is the dynamic viscosity.The values of
, for which the local flow velocity is equal to the average flow velocity, are 
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2026XE-B
GATE XE 2026 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-B
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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