l. (2 pts each) Fill the blanks: optical measurements, measurement device, bourd
ID: 1044102 • Letter: L
Question
l. (2 pts each) Fill the blanks: optical measurements, measurement device, bourdon tubes, dead time differential pressure cell, final control element, manometers, turbine flow meters, transducer, transmitter diaphragm gauges, controller, indicator, conductivity, actuator, thermometers, nutating disc meters chromatography, bellows, magnetic flow meter, rotameters, oval gear meters, resistance temperature detector optical measurements primary element and sensor capable of detecting the process variable 1) 2) 3) device that makes the change to control the process - device designed to convert a measurement into a signal and transmitted to the controller 4) used to measure air pressure in the space between the inner and outer boiler casings 5) device designed to compare a signal to a set point, calculate, correct and transmit a signal to a final control element. 6) 7) - small platinum or nickel wire encased in a rugged metal tube - device designed to convert a pneumatic signal to an electric signal or an electric signal to a pneumatic signal. 8) 9) device mounted in the valve that changes the signal into rotary motion - uses reflection, refraction or absorption properties of light to measure chemical how much delay occurs from the time when the CO step is made until when the - consists of capillary tube, bulb, scale and fluid and physical properties (IR/UV) 10) measured PV shows a first clear response 12) - measure flow by counting the rotations of the disc as fluid passes through. scale in a gauge or digital readout calculate flow rate. fluid velocity shows current conditions through a visual representation such as needle on a - lobe shaped elements rotate as fluid passes through, rotation is used to - as fluid enters turbine rotates and the speed of rotation is proportional to the flow enters a tapered tube and lifts a ball. - does not have any moving parts and is ideal for wastewater applications or any 17) dirty liquid which is conductive or water based specific force and the liquid level indicates pressure on a spring that operates the pointer of the gauge the pointer operates with hydrostatic pressure principles, a column of water exerts a 19) consists of an accordion type bellow that expands with flow and creates tension 20) - hollow tube expands and contracts in response to pressure changes moving composed of two dissimilar metals that expand at different rates - converts pressure difference to level indication measuring hydrostatic pressure - measurement of the ability of a material to conduct an electrical current, used to - molecular components of liquid or gas are separated and indentified. difference between two points on a pressurized level 23) determine the level of dissolved solids in a liquid 24)Explanation / Answer
1. Transducer
3. Transmitter
4. Bellows
5. Controller
6. Resistance temperature detector
8. Actuator
9. Optical measurements
10. Dead time
12. Thermometer
13. Measurement device
14. Oval gear meter
15. Turbine flowmeters
16. Rotameters
17. Magnetic flowmeter
18. Manometer
20.Diaphragm gauges
23. Conductivity
24. Chromatography
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