A specially designed glass tube has a rectangular loop and only one opening through a tube extending from centre of a longer arm of rectangular loop. It is filled with mercury and held with its plane vertical and its opening is dipped in mercury filled in a large vessel. There is some air in the middle of upper horizontal arm of the tube. When the tube is stationary, ends of the air packet are at distance l from the axis of symmetry of the tube. Pressure in the air packet is p and density of mercury is p. At what angular velocity must the tube be rotated about its vertical axis of symmetry so that pressure in the au packet becomes 7 times of its value in stationary tube? Ao: 207-

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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11. A specially designed glass tube has a rectangular loop and only one
opening through a tube extending from centre of a longer arm of
rectangular loop. It is filled with mercury and held with its plane
vertical and its opening is dipped in mercury filled in a large vessel.
There is some air in the middle of upper horizontal arm of the tube.
When the tube is stationary, ends of the air packet are at distance l from
the axis of symmetry of the tube. Pressure in the air packet is p and
density of mercury is p. At what angular velocity must the tube be
rotated about its vertical axis of symmetry so that pressure in the air.
packet becomes n times of its value in stationary tube? Ano: 21P
fnom ita
Transcribed Image Text:11. A specially designed glass tube has a rectangular loop and only one opening through a tube extending from centre of a longer arm of rectangular loop. It is filled with mercury and held with its plane vertical and its opening is dipped in mercury filled in a large vessel. There is some air in the middle of upper horizontal arm of the tube. When the tube is stationary, ends of the air packet are at distance l from the axis of symmetry of the tube. Pressure in the air packet is p and density of mercury is p. At what angular velocity must the tube be rotated about its vertical axis of symmetry so that pressure in the air. packet becomes n times of its value in stationary tube? Ano: 21P fnom ita
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