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Hazmat Tech > Monitors > Flashcards

Monitors Flashcards

1
Q

Combustible gas indicators may not give reliable result if the oxygen concentration is below what?

A

10%

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2
Q

Sensors should function accurately between what Temp?

A

Between freezing and boiling temperatures

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3
Q

CGIs (Combustible gas indicators)

A

use a combustion chamber containing a filament that burns the flammable vapor or gas in air

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4
Q

CGIs (Combustible gas indicators) display what as a percentage of the resulting reading?

A

Lower explosive limit (LEL)

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5
Q

Flammable gas sensors are intended for use in only what?

A

Normal oxygen atmospheres

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6
Q

Electrochemical cell sensors

A

Type of fuel cell designed to product a current that is precisely related to the amount of the target gas in the atmosphere.

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7
Q

Metal Oxide Sensors

A

Used to detect gases (ex. natural and hydrogen sulfide)

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8
Q

pH Meters

A

measures the concentration of hydrogen ions

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9
Q

Colorimetric/Detector tubes should be stored how

A

Moderate temp

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10
Q

M8, M9 change color in the presence of what?

A

liquid nerve agents or blistering agents

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11
Q

M8 detects by what?

A

Liquid

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12
Q

M9 detects by what?

A

droplets in the air

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13
Q

Radiation- gas filled detectors ?

A

Ion chambers and (GM) Geiger-Mueller Detector

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14
Q

Radiation- Scintillation Detector

A

radiation will interact with a crystal to produce a small flash of light

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15
Q

Dosimeters do what?

A

Keep track of the wearer’s total accumulated radiation dose

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16
Q

SRDs

A

Self reading dosimeter

17
Q

SRDs should be monitored at

A

15 to 30 minute intervals and again upon exit form the hot zone

18
Q

PIDs

A

Photoionization Detector

19
Q

Photoionization Detectors (PIDs) do what?

A

detect concentration of flammable/combustible gases and vapor by using ultraviolet light.

20
Q

If the PID presents a reading the tech knows at least what?

A

That something in the atmosphere will burn

Hazmat Tech (8 decks)

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