Question

Q3. Steady flow means that the rates of flow of mass
and energy across the control surface
(A) Varies
(B) Constant
(c) depends on the control surface
(D) depends on the environment​

Answer 1

Answer:

c is correct answer

Step-by-step explanation:

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Answer 2

Answer:

Option B: Constant

Step-by-step explanation:

• The process where the properties of the fluid can change from point to point in the control volume but remain the same during the whole process at any fixed point is called the steady flow process.

• During this process, the total amount of mass contained within a control volume remains constant, i.e does not change with time.

• $dm_{system}/dt=0$

            $\implies \sum m_{in} = \sum m_{out}$

• It doesn't have any change in the mass and energy of the system.

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