IET 108 Flashcards
_____ flow measurement instrument is the easiest to install in a running system
Ultrasonic
Mass flow meters often measure the _____
Flow of Liquid
What is the disadvantage of
Magmeters?
Some they wont measure some materials, such as pure water
What is the advantage of magmeters?
Theyre non invasive
A vortex flow meter will most likely have a _____ sensing device
Bluff Body
A Differential Pressure cell is not used with a _____
Rotometer
What doesnt a Magmeter use to as an indicator?
Pressure drop
Do Differential Pressure flow measurement devices work well with solutions such as pulp?
No
When is turbulent flow most desirable?
When fluids must be moved great distances
What is Laminar flow?
Uniform, smooth flow
What is Volumetric flow?
The measurement of the volume of fluid that passes at a given point in time
A bluff body is part of what type of meter?
Vortex
What is one advantage of ultrasonic meters?
They are able to work with changing materials in the same system
A _____, _____, and _____ are pipeline restrictions that cause pressure drop used to measure flow
Venturi tube, orfice plate, and flow nozzle
What is Flow rate?
Volume/Time
What is Total flow?
The rate of flow at a given point in time
What is Mass flow?
The quantity of a flowing liquid by mass
What is Differential pressure?
The comparrison of pressure at two specific points
What is Volumetric flow?
The volume of fluid moved from point A to point B
What is Turbulent flow?
Flow that is great for mixing
A differential pressure flowmeter does not maintain a _____ and does not measure _____
Variable flow area
Absolute pressure
When measuring steam flow where should the measuring instrument be located?
Below the flow element
When measuring liquid flow what can ruin measurement accuracy?
Air bubbles
When does flow measurement become inaccurate?
When conditions are different from when the system was designed
