PTEC 131 - Exam 4 And 5 - Spr 14
- 1._________ measures another process variable in order to determine level.
- A.
Ullage
- B.
Inage
- C.
Indirect level measurement
- D.
Direct level measurement
- E.
Interface level
- 2.A distance from the surface of a liquid that extends downward is ______.
- A.
Height
- B.
Meniscus
- C.
Depth
- D.
Liquid Head Pressure
- 3.The measurement from the surface of the product to the top of a tank is ________.
- A.
Ullage
- B.
Inage
- C.
Indirect level measurement
- D.
Direct level measurement
- E.
Interface level
- 4.A distance from a zero reference point to the surface is _________.
- A.
Height
- B.
Meniscus
- C.
Depth
- D.
Liquid Head Pressure
- 5.The measurement of the process variable directly in terms of itself.
- A.
Ullage
- B.
Inage
- C.
Indirect level measurement
- D.
Direct level measurement
- E.
Interface level
- 6.The measurement from the bottom of a tank to the surface of the product is ______.
- A.
Ullage
- B.
Inage
- C.
Indirect level measurement
- D.
Direct level measurement
- 7.A plane where two materials meet.
- A.
Ullage
- B.
Inage
- C.
Meniscus
- D.
Interface level
- 8.A measurement of level based upon percentage is called ___________.
- A.
Height
- B.
Liquid Head Pressure
- C.
Percent level
- D.
Meniscus
- E.
Interface level
- 9.Mass per unit volume.
- A.
Meniscus
- B.
Inage
- C.
Density
- D.
Direct level measurement
- 10.The pressure exerted by a column height of liquid
- A.
Height
- B.
Liquid Head Pressure
- C.
Percent level
- D.
Meniscus
- E.
Interface level
- 11.The curved upper surface of a column of liquid.
- A.
Meniscus
- B.
Inage
- C.
Density
- D.
Direct level measurement
- 12.Level can be defined as the __________ of a material’s surface distance from a zero reference.
- A.
location
- B.
Depth
- C.
Point
- D.
Height
- 13.A device comprised of a strain gauge bonded to a robust support column called a force beam that together are capable of supporting the entire weight of a vessel and its contents.
- A.
Tape Gauge
- B.
Load Cell
- C.
Displacer
- D.
Welded Pad Level Gauge
- 14.Where all level points in the tank from the zero percent level (bottom of the measuring device) to one hundred percent full are monitored.
- A.
Percent Level Measurement
- B.
Transparent Level Gauge
- C.
Reflex Level Gauge
- D.
Continuous Level Measurement
- 15.A special kind of head pressure measuring method allowing the measurement of head pressure in a liquid without the pressure sensor coming in contact with the process fluid.
- A.
Ultrasonic Device
- B.
Bubbler
- C.
Tubular Sight Glass
- D.
Welded Pad Level Gauge
- 16.Has two transparent flat-glass panels, front and back, that form a vertical chamber in conjunction with the metal sides where the process level can be seen.
- A.
Percent Level Measurement
- B.
Transparent Level Gauge
- C.
Reflex Level Gauge
- D.
Continuous Level Measurement
- 17.Uses tightly controlled gamma radiation source with a detector to infer a level in a tank and used when other technologies are unsuccessful.
- A.
Nuclear Device
- B.
Transparent Level Gauge
- C.
Reflex Level Gauge
- D.
Continuous Level Measurement
- 18.A sealed cylindrically shaped tube used to measure buoyancy.
- A.
Tape Gauge
- B.
Load Cell
- C.
Displacer
- D.
Welded Pad Level Gauge
- 19.Is generally made of flat glass and integrally mounted to the vessel by either a welded or flanged connection with threaded pipe.
- A.
Tape Gauge
- B.
Load Cell
- C.
Displacer
- D.
Welded Pad Level Gauge
- 20.Has a single flat-glass panel capable of refracting light off a prism-like backside creating a silvery contrast above the liquid level that allows it to be seen from a distance.
- A.
Nuclear Device
- B.
Transparent Level Gauge
- C.
Reflex Level Gauge
- D.
Continuous Level Measurement
- 21.An accurate distance measuring instrument usually inserted into the top of a vessel that emits a pulse of energy that is reflected off the surface of the material back to the receiver.
- A.
Ultrasonic Device
- B.
Bubbler
- C.
Tubular Sight Glass
- D.
Welded Pad Level Gauge
- 22.A reflex or clear glass tube open into a vessel on top and bottom.
- A.
Ultrasonic Device
- B.
Bubbler
- C.
Tubular Sight Glass
- D.
Welded Pad Level Gauge
- 23.A measurement of level based upon percentage with zero percent level at the bottom of the measuring device and 100 percent level being at the top.
- A.
Percent Level Measurement
- B.
Transparent Level Gauge
- C.
Reflex Level Gauge
- D.
Continuous Level Measurement
- 24.A level-measuring device consisting of a metal tape that has one end attached to an indicator and the other end attached to a float.
- A.
Tape Gauge
- B.
Load Cell
- C.
Displacer
- D.
Welded Pad Level Gauge
- 25.The density of a substance relative to the density of water that is defined a s 1.0.
- A.
Percent Level Measurement
- B.
Specific Gravity
- C.
Reflex Level Gauge
- D.
Continuous Level Measurement
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