# PTEC 131 - Exam 4 And 5 - Spr 14

67 Questions | Attempts: 147  Settings  • 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.

• 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.

• 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.

• 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.

• 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.

• C.

Displacer

• D.

• 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.

• 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.

• C.

Displacer

• D.

• 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.

• C.

Displacer

• D.

• 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.

• 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.

• 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.

• C.

Displacer

• D.

• 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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