GATE XE 2025 Paper 1 — page 8

Questions 22–24 of 175. Imported answers require review unless explicitly marked reviewed.

Fluid at a constant flow rate passes through a long, straight, cylindrical pipe that has an axisymmetric convergent section at the end. Which one of the following options correctly represents the velocity field in the converging section in cylindrical

coordinates?

Your answerChoose one option.

Two-dimensional function of

and

One-dimensional function of

Two-dimensional function of

and

One-dimensional function of

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A sharp flat plate of length

and infinite width is immersed parallel to a fluid stream having velocity

. At a point on the plate, far away from the leading edge and not near the trailing edge, the boundary layer thickness, the displacement thickness, and the momentum thickness are denoted as

, and

, respectively. Which one of the following options correctly represents the relation between these thicknesses?

Your answerChoose one option.

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Consider the following Statements [1] and [2].

Statement [1]: The Eulerian study focuses attention on individual particle and its motion is observed as a function of time.

Statement [2]: The Lagrangian study focuses attention on the motion of the particles pass through an identified point.

Which one of the following options identifies the correctness of the given statements?

Your answerChoose one option.

Both [1] and [2] are correct.

Both [1] and [2] are NOT correct.

[1] is correct, but [2] is NOT correct.

[1] is NOT correct, but [2] is correct.

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2025 · Paper 1

Question 22

Question 23

Question 24