Question

2. (15 pts) A mercury ($SG_{Hg} = 13.54$) U-tube manometer is attached to a Venturi section. When there is no flow through the tube, the mercury columns are level, which are 300 mm below the pressure tap of the \"throat\" section. When steady flow is established along the inindicated direction, the two mercury columns will no longer be at the same elevation (why?) Determine the limiting volume flow rate through the tube, $Q$, when mercury is about to enter the Venturi tube through the pressure tap. Use $\gamma = 9810$ N/m². Note the reference points for elevations should be taken at the centerline of the pipe.

          2. (15 pts) A mercury ($SG_{Hg} = 13.54$) U-tube
manometer is attached to a Venturi section.
When there is no flow through the tube, the
mercury columns are level, which are 300 mm
below the pressure tap of the \"throat\" section.
When steady flow is established along the
inindicated direction, the two mercury columns
will no longer be at the same elevation (why?)
Determine the limiting volume flow rate
through the tube, $Q$, when mercury is about
to enter the Venturi tube through the pressure
tap. Use $\gamma = 9810$ N/m². Note the reference
points for elevations should be taken at the centerline of
the pipe.

2. (15 pts) A mercury (SGHg = 13.54) U-tube
manometer is attached to a Venturi section.
When there is no flow through the tube, the
mercury columns are level, which are 300 mm
below the pressure tap of the ẗhroats̈ection.
When steady flow is established along the
inindicated direction, the two mercury columns
will no longer be at the same elevation (why?)
Determine the limiting volume flow rate
through the tube, Q, when mercury is about
to enter the Venturi tube through the pressure
tap. Use γ = 9810 N/m². Note the reference
points for elevations should be taken at the centerline of
the pipe.

Added by Heather H.

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