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MPSC AMVI Official Paper 2: Set A/2013

- 1.2
- 1.33
- 2
- 2.4

Option 2 : 1.33

Free

ST 1: General Knowledge

5966

20 Questions
20 Marks
20 Mins

__ Explanation__:

**Momentum correction factor:**

Momentum correction factor is defined as the ratio of momentum of the flow per second based on actual velocity to the momentum of the flow per second based on average velocity across a section.

\(\beta = \;\frac{{Momentum\;per\;second\;based\;on\;actual\;velocity}}{{Momentum\;per\;second\;based\;on\;average\;velocity}}\)

⇒ \(\beta = \frac{1}{{A{V^2}}}\smallint {u^2}.dA\)

For turbulent flow the momentum correction factor is slightly higher than one near to 1.2 and for
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