Flow Measurement

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True or false: Flow measurement involves measuring volume or mass over time.

True

True or false: Custody transfer refers to the transfer of fluid for money.

True

True or false: Turbulence is determined by the Reynolds number, which is the ratio of liquid inertia force to drag.

True

True or false: The Vena Contracta is the highest point of pressure in a fluid flow.

False Signup and view all the answers

True or false: Positive displacement flowmeters make direct measurements and are not subject to wear problems.

False Signup and view all the answers

True or false: Electronic flowmeters include types such as thermal, mass, coriolis, electromagnetic, and vortex.

True Signup and view all the answers

True or false: Speed is a scalar quantity, while velocity is a vector quantity.

True Signup and view all the answers

True or false: Tachometers are used to measure the angular velocity of a shaft.

True Signup and view all the answers

Match the following flow measurement terms with their definitions:

Flow = Response to an applied force Custody Transfer = Transfer fluid for money Flowmeter Installation = Straight pipe, minimizes turbulence Flow Straightener = Eliminates turbulence Signup and view all the answers

Match the following terms related to flow meters with their definitions:

Reynold’s Numbers = Ratio of liquid inertia force to drag Turbulence = Reynold’s number over 4000 Volumetric Flow Rate, Flow Velocity, Mass Flow Rate = Change flow rate Fluid Flow Measurement = Velocity, Density, Viscosity Signup and view all the answers

Match the following types of flow meters with their descriptions:

Differential Pressure = Measures flow by creating a pressure drop across a restriction Positive Displacement = Mechanically makes direct measurements, subject to wear problems Velocity = Measures flow by determining the speed of the fluid Mass = Measures flow by determining the mass of the fluid Signup and view all the answers

Match the following types of orifice plates with their descriptions:

Concentric = Circular plate with a hole in the center Eccentric = Circular plate with a hole off-center Segmental = Circular plate with a segmented hole Cononical, Edged, Quadrant = Other variations of orifice plates Signup and view all the answers

Match the following terms related to fluid flow with their definitions:

Flashing = Formation of gas or vapor bubbles Cavitation = Collapse of bubbles to liquid state Vena Contracta = Lowest point of pressure Potentiometer and Tachometer = Variable Area Flowmeter Signup and view all the answers

Match the following types of flowmeters with their descriptions:

Thermal = Measures flow based on the heat transfer from a heated element to the fluid Mass = Measures flow based on the mass of the fluid passing through the meter Coriolis = Measures flow based on the Coriolis effect Electromagnetic = Measures flow based on Faraday's Law Signup and view all the answers

Match the following terms related to positional measurements with their definitions:

Distance = Measure of the length between two points Velocity = Rate of change of distance over time Acceleration = Rate of change of velocity over time Tachometer = Measures angular velocity of a shaft Signup and view all the answers

Match the following types of encoders with their descriptions:

Incremental = Outputs a series of pulses for each incremental movement Absolute = Outputs a unique binary code for each position Quadrature = Outputs two pulse trains with a phase difference of 90 degrees Gray Code = A binary code where adjacent codes differ by only one bit Signup and view all the answers