Q4: A simple manometer containing mercury is connected to pipe in which an oil of specific gravity 0.85 is flowing. The pressure in the pipe is vacuum. The other end of manometer is open to atmosphere. Find the vacuum pressure in bar of the pipe if the difference of mercury level in two limbs is 20 cm and height of oil in the left limb from centre of pipe is 12.5 cm below. What happens to vacuum pressure if difference of mercury level in two limbs becomes 10 cm. Comment on the results with respect to vacuum pressure.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q4: A simple manometer containing mercury is connected to pipe in which an oil of specific gravity
0.85 is flowing. The pressure in the pipe is vacuum. The other end of manometer is open to atmosphere.
Find the vacuum pressure in bar of the pipe if the difference of mercury level in two limbs is 20 cm and
height of oil in the left limb from centre of pipe is 12.5 cm below. What happens to vacuum pressure if
difference of mercury level in two limbs becomes 10 cm. Comment on the results with respect to
vacuum pressure.
Transcribed Image Text:Q4: A simple manometer containing mercury is connected to pipe in which an oil of specific gravity 0.85 is flowing. The pressure in the pipe is vacuum. The other end of manometer is open to atmosphere. Find the vacuum pressure in bar of the pipe if the difference of mercury level in two limbs is 20 cm and height of oil in the left limb from centre of pipe is 12.5 cm below. What happens to vacuum pressure if difference of mercury level in two limbs becomes 10 cm. Comment on the results with respect to vacuum pressure.
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