Title: Chapter 13 Quiz
Course: eit233qmweek8module > Section: Week 8 Module

Q: Level measurement is essential for safety systems in boilers and for overflow and spill prevention systems in tanks and silos.
- True
- False
A: True

Q: Level is normally measured in linear units of ____ or translated into units of volume or weight.
- displacement
- length
- temperature
- all of the above
A: length

Q: Armored gauge glasses are used in boilers and high pressure vessels.
- True
- False
A: True

Q: Standard d/p cells used to measure level are susceptible to attack by corrosive fluids or blockage by slurries.
- True
- False
A: True

Q: Point level measurement is a method of measuring level where the concern is whether the level is within the desired limits.
- True
- False
A: True

Q: ____ level measurement is a method of measuring level over a range of values.
- Continuous
- Range
- Point
- Tracking
A: Continuous

Q: A ____ is a continuous level measuring instrument that consists of a glass tube connected above and below the liquid level in a tank and that allows the liquid level to be observed visually.
- diplacer
- tape float
- gauge glass
- bubbler
A: gauge glass

Q: A ____ is a continuous level measuring instrument consisting of a floating object connected by a chain, rope, or wire to a counterweight, which is the level pointer.
- displacer
- tape float
- bubbler
- d/p cell
A: tape float

Q: A(n) ____ glass has a vertical sawtooth surface that acts as a prism to improve readability.
- armored gauge
- gauge
- refracted gauge
- none of the above
A: none of the above

Q: A cable and weight system consists of a ____.
- switch
- relay
- servomotor
- all of the above
A: all of the above

Q: An extended diaphragm d/p cell is a type of level measuring device that uses flanged diaphragm seals and capillary systems.
- True
- False
A: False

Q: It is more convenient to measure pressure at the bottom of a tank than to measure the actual location of the top of the liquid in a sealed tank.
- True
- False
A: True

Q: ____ pressure variations present at the base of a liquid column provide the means of determining liquid level in a storage vessel.
- Surge
- Hydrostatic
- Momentum head
- Head space
A: Hydrostatic

Q: As long as liquid in a unsealed tank has a constant density, variations in pressure are caused only by variations in level.
- True
- False
A: True

Q: Floats can be used to ____.
- actuate alarms
- indicate tank levels
- actuate switches
- all of the above
A: all of the above

Q: A paddle wheel switch is continuous level measuring device consisting of a drive motor and a rotating paddle wheel mounted inside a tank.
- True
- False
A: False

Q: A variation of the flush diaphragm d/p cell is the double-filled system, which is used with fluids containing high quantities of solids.
- True
- False
A: False

Q: A ____ is a liquid level measuring instrument consisting of a buoyant cylindrical object that is heavier than the liquid it is immersed in and is connected to a spring or torsion device that measures the buoyancy of the cylinder.
- displacer
- float
- tape float
- cable and weight
A: displacer

Q: It is not possible to have condensed vapors collecting as liquids in low-pressure connections of d/p cell level measurement applications of pressurized tanks.
- True
- False
A: False

Q: A ____ is a level measuring instrument consisting of a tube extending to the bottom of a vessel; a pressure gauge, single-leg manometer, transmitter, or recorder; a flowmeter to adjust the flow rate of air or nitrogen through the tube; and a pressure regulator to limit the inlet pressure.
- float
- bubbler
- displacer
- cable and weight
A: bubbler

Q: Level measurement is often used to measure the ____ of material in a tank or vessel.
- density
- temperature
- volume
- all of the above
A: volume