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GATE 2026 Chemical Engineering, Q28 · Fluid Mechanics

The correct answers are A. incompressible flow; B. inviscid flow; D. flow along a streamline.

Question

In which of the following condition(s), Bernoulli's equation is applicable?

  • A. incompressible flow
  • B. inviscid flow
  • C. unsteady flow
  • D. flow along a streamline

Official answer: A. incompressible flow; B. inviscid flow; D. flow along a streamline

Why

GATE 2026 official key: (A, B, D). The classical Bernoulli equation requires incompressible, inviscid flow evaluated along a streamline; it strictly applies to steady flow, so unsteady flow (C) is not a valid condition.

Explanation cross-checked for consistency. Final answer matches the official IIT answer key.

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