Analytical Instrumentation Quiz

A(n) _ sample is a sample from a process in which the composition of the sample is the same as in the process piping.

• intermittent

• Condensable vapor

• Representative

• Coalescing

Analyzers that process _ samples have lag times too long for conventional control methods.

• Intermittent

• Continuous

• Conditioned

• Unconditioned

The thermal conductivity analysis method can only be used for _ gases with widely different thermal conductivities.

• Binary

• Condensable

• Heated

• Cooled

A(n) _ analyzer is a radiant-energy absorption analyzer consisting of an IR electromagnetic radiation source, an IR detector, and two IR absorption chambers.

• Nondispersive infrared

• Ultraviolet

• Paramagnetic oxygen

• Thermal conductivity

_ materials are repelled by a magnetic field.

• Diamagnetic

• Paramagnetic

• Hygroscopic

• Hydroscopic

A _ measures an electric current generated when the analyzer is subjected to different oxygen concentrations on opposite sides of an electrode.

• Zirconium oxide oxygen analyzer

• Humidity analyzer

• Microwave moisture

• Photoacoustic detector

_ is the ambient air temperature measured by a thermometer that is freely exposed to the air but shielded from other heating or cooling effects.

• Specific humidity

• Saturated air

• Wet bulb temperature

• Dry bulb emperature

A(n) _ is a humidity analyzer that measures the physical or electrical changes that occur in various materials as they absorb or release moisture.

• hydrometer

• hygrometer

• Sling psuchrometer

• Ultraviolet analyzer

A _ is a combination of a hygrometer, pressure sensor, and temperature-sensing instrument.

• thermohygrometer

• diamagnetic analyzer

• Thermoparamagnetic analyzer

• Paramagnetic analyzer

The hygrometer is the _ device for measuring liquid density.

• Simplest

• Large

• Hardest

• Smallest