A manometer can be used to measure vacuum pressures.

More Questions from Hydraulics and Fluid Mechanics

• The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by
• A flow in which __________ force is dominating over the viscosity is called turbulent flow.
• When the pressure intensity at a point is less than the local atmospheric pressure, then the difference of these two pressures is called vacuum pressure.
• Which of the following statement is wrong?
• The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)
• The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.
• In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.
• A flow through a long pipe at constant rate is called
• The Francis formula for the discharge over Cippoletti weir is
• A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called turbulent flow.

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