A U-tube manometer filled with mercury is connected between two points in a pipeline. If the manometer reading is 26 mm Hg, calculate the pressure difference in kilopascals between the points when (a) water is flowing through the pipeline, and (b) air at atmospheric pressure and 20°C with a density of 1.20 kg/m' is flowing in the pipeline.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A U-tube manometer filled with mercury is connected between two points in a pipeline. If the
manometer reading is 26 mm Hg, calculate the pressure difference in kilopascals between the
points when (a) water is flowing through the pipeline, and (b) air at atmospheric pressure and
20°C with a density of 1.20 kg/m³ is flowing in the pipeline.
Transcribed Image Text:A U-tube manometer filled with mercury is connected between two points in a pipeline. If the manometer reading is 26 mm Hg, calculate the pressure difference in kilopascals between the points when (a) water is flowing through the pipeline, and (b) air at atmospheric pressure and 20°C with a density of 1.20 kg/m³ is flowing in the pipeline.
An evaporator shows a reading of 40 kPa vacuum. What is the absolute pressure in the
evaporator in kilopascals?
Transcribed Image Text:An evaporator shows a reading of 40 kPa vacuum. What is the absolute pressure in the evaporator in kilopascals?
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