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A pipe inclined at 45° to the horizontal (Fig. 2) converges over a length l of 2 m from a diameter d1 of 200 mm to a diameter d2 of 100 mm at the upper end. Oil of relative density 0.9 flows through the pipe at a mean velocity ?̅1 at the lower end of 2 m/s. Find the pressure difference across the 2 m length ignoring any loss of energy, and the difference in level that would be shown on a mercury manometer connected across this length. The relative density of mercury is 13.6 and the leads to the manometer are filled with the oil.

A pipe inclined at 45° to the horizontal (Fig. 2) converges over a length l of 2 m from a diameter d1 of 200 mm to a diameter d2 of 100 mm at the upper end. Oil of relative density 0.9 flows through the pipe at a mean velocity ?̅1 at the lower end of 2 m/s. Find the pressure difference across the 2 m length ignoring any loss of energy, and the difference in level that would be shown on a mercury manometer connected across this length. The relative density of mercury is 13.6 and the leads to the manometer are filled with the oil.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A pipe inclined at 45° to the horizontal (Fig. 2) converges over a length l of 2 m from a diameter
d1 of 200 mm to a diameter d2 of 100 mm at the upper end. Oil of relative density 0.9 flows
through the pipe at a mean velocity ?̅1 at the lower end of 2 m/s. Find the pressure difference
across the 2 m length ignoring any loss of energy, and the difference in level that would be
shown on a mercury manometer connected across this length. The relative density of mercury is 13.6 and the leads to the manometer are
filled with the oil.

₁ = 2 ms¹ d₁ = 200 mm S /= 2m -145- 7₂ Mercury of mass density Pman-PHg = 13.6PH₂0 =100mm Oil of mass density Poil = 0.9 P1₂0
Transcribed Image Text:₁ = 2 ms¹ d₁ = 200 mm S /= 2m -145- 7₂ Mercury of mass density Pman-PHg = 13.6PH₂0 =100mm Oil of mass density Poil = 0.9 P1₂0
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