Question

Which of the following assumptions is/are true about the bernoulli equation?

a. flow is incompressible
b. flow is steady
c. flow is frictionless
d. all of the above

Answer 1

The Bernoulli equation assumes that the flow is incompressible, steady, and frictionless.

Step-by-step explanation:

The Bernoulli equation relates the pressure, velocity, and height of a fluid at different points in an incompressible, frictionless flow. In order for the Bernoulli equation to be applicable, three assumptions need to be true:

1. Flow is incompressible: This means that the density of the fluid remains constant throughout the flow.
2. Flow is steady: This means that the velocity and other parameters do not change with time.
3. Flow is frictionless: This means that there is no external force acting on the fluid.

Therefore, the correct answer is d. all of the above.