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Oil of specific gravity 0.7 flow in 1 m diameter tube. If the oil flow rate through the tubes is 1200 litters/second. Find out the flow velocity of fluid in the tube.

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NRL GET Mechanical 23 Sept 2021 Official Paper (Shift 1)
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  1. 2.8/π m/s
  2. 4.8/π m/s
  3. 48/π m/s
  4. 4.8 π m/s

Answer (Detailed Solution Below)

Option 2 : 4.8/π m/s

Detailed Solution

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Concept:

Flow through pipe is given as, Q = AV

Where, Q = Discharge, A = cross sectional area, V = velocity of flow

Calculation:

Given:

d = 1 m, Q = 1200 ltr/sec = 1.2 m3/sec

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