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Which of the following assumptions are used in the derivation of Bernoulli’s equation? (a] Steady flow (b} Compressible fluids (c} No losses
Question

Which of the following assumptions are used in the derivation of Bernoulli’s equation?
(a] Steady flow
(b} Compressible fluids
(c} No losses from the fluid friction

A.

a and c

B.

All three

C.

a and b

D.

b and c​

Correct option is A


Correct answer is A
Explanation:
To derive Bernoulli's equation:
[a) Steady flow is assumed
⇒ Fluid properties do not change with time.
(c) No losses from fluid friction are assumed
⇒ Energy remains conserved within the system.
Assumption {b), compressible fluids, is not typically included in Bernoulli's equation derivation, as the equation is primarily used for incompressible fluids.

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