I. Bernoulli's equation ideally applies to non-viscous fluids. II. Fluid must be compressible in Bernoulli's theorem. III. Bernoulli's equation does not hold for non-steady flow. Which of the following statement(s) is/are correct?

Question

I. Bernoulli's equation ideally applies to non-viscous fluids. II. Fluid must be compressible in Bernoulli's theorem. III. Bernoulli's equation does not hold for non-steady flow. Which of the following statement(s) is/are correct? (A) Both I and II (B) Only I (C) Both I and III (D) Only II

Tardigrade Admin · Accepted Answer

Statements I and III are correct but II is incorrect and it can be corrected as,
A restriction on application of Bernoulli's theorem is that the fluids must be incompressible as the elastic energy of the fluid is also not taken into consideration.

Q. I. Bernoulli's equation ideally applies to non-viscous fluids. II. Fluid must be compressible in Bernoulli's theorem. III. Bernoulli's equation does not hold for non-steady flow. Which of the following statement(s) is/are correct?

Both I and II

Only I

Both I and III

Only II

Statements I and III are correct but II is incorrect and it can be corrected as, A restriction on application of Bernoulli's theorem is that the fluids must be incompressible as the elastic energy of the fluid is also not taken into consideration.

Q. I. Bernoulli's equation ideally applies to non-viscous fluids.
II. Fluid must be compressible in Bernoulli's theorem.
III. Bernoulli's equation does not hold for non-steady flow. Which of the following statement(s) is/are correct?

Statements I and III are correct but II is incorrect and it can be corrected as,
A restriction on application of Bernoulli's theorem is that the fluids must be incompressible as the elastic energy of the fluid is also not taken into consideration.