TB 150 Drager X am 5000

Question 1

It is equipped with 4 gas-specific sensors:

Answer 1

carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S), hydrogen cyanide (HCN) and a fifth catalytic sensor for explosive vapors.

Question 2

The additional HCN sensor is important because recent studies have shown significant levels of cyanide during ____ following the combustion of modern synthetics.

Answer 2

overhaul operations

Question 3

The X-am 5000 is a ____ meaning it does not have a mechanical pump to draw in air samples

Answer 3

passive monitor

Question 4

It is extremely important to move the meter ____, ____ as you monitor an unknown atmosphere

Answer 4

high, low / left and right

Question 5

Fresh air calibrations are performed in the field by ____, and _____ are performed by HazMat Squad personnel every ___ and anytime the meter’s start-up self test indicates a sensor problem.

Answer 5

emergency responders / gas-specific calibrations / six months

Question 6

Oxygen, carbon monoxide, hydrogen sulfide and hydrogen cyanide are detected using ____.

Answer 6

electrochemical sensors

Question 7

The X-am 5000 displays in ___.

Answer 7

ppm

Question 8

Battery life

Answer 8

100% / 2/3rd full / 1/3rd full / empty

Question 9

THE METER MUST NOT BE USED IF THE _____ IS DISPLAYED IN THE UPPER RIGHT CORNER OF THE SCREEN.

Answer 9

x SYMBOL

Question 10

The DrägerSensor CatEX 125 (combustible gas sensor) is a transducer for measuring partial pressure of ___ in the atmosphere.

Answer 10

flammable gases or vapors

Question 11

The combustible gas sensor is calibrated to ___ but it will detect all explosive hydrocarbon atmospheres such as ____ and will display those readings in the display for methane.

Answer 11

methane / pentane, butane, propane etc.

Question 12

The combustible gas sensor may display incorrect readings in oxygen-poor atmospheres with less than ___ oxygen.

Answer 12

10%

Question 13

The manufacturer does not guarantee this device to be intrinsically safe in oxygen-enriched atmospheres with greater than ____ oxygen. Leave any area with oxygen reading greater.

Answer 13

23.5%

Question 14

The DrägerSensor CatEX 125 can be damaged by _____.

Answer 14

volatile silicone, sulfur, heavy metal compounds or halogenated hydrocarbons

Question 15

Do not store near or use ___ on this meter.

Answer 15

silicone spray

Question 16

Hydrogen has a flammability range of ____.

Answer 16

4%-75%

Question 17

Acetylene has a flammability range of ___.

Answer 17

2.5%-100%

Question 18

Is not intended for use in chemical atmospheres with wide flammability ranges such as _____.

Answer 18

Hydrogen or Acetylene.

Question 19

The flammability range of methane is between ____ with ____ representing the lower explosive limit (LEL), the point at which there is enough methane vapors in the atmosphere to ignite

Answer 19

5%-15% / 5%

Question 20

Methane :
15% representing the upper explosive limit (UEL), the point at which additional methane would over saturate the atmosphere and be____.

Answer 20

too rich to burn

Question 21

The X-am 5000 is set to alarm a t___ of the LEL for the A1 alarm and alarm at ___ of the LEL for the A2 alarm.

Answer 21

10% / 20%

Question 22

You can see that the 10% and 20% of LEL is well below the point that a flammable atmosphere ____.

Answer 22

actually exists

Question 23

Check for warning symbol ____– The device can be operated normally with the warning symbol on the display. If the warning symbol does not disappear automatically during operation, contact the closest ____ to evaluate/calibrate the meter.

Answer 23

(!) / HazMat Squad

Question 24

Check for fault message symbol - The device is ___ ready to measure, shall not be used at an incident and requires further maintenance, contact the closest HazMat Squad to evaluate/calibrate the meter.

Answer 24

not

Question 25

While in measuring mode, press the OK key for approximately___. Peak values will be displayed. Peak values are the highest readings the meter has been exposed to since the last time the values were cleared.

Answer 25

2 seconds

Question 26

The battery pre-alarm (A1) is indicated by a single intermittent activation of the ____.

Answer 26

audible, visual and vibration alarms.

Question 27

1/3 full battery symbol will only last

Answer 27

approximately 20 minutes

Question 28

Empty battery symbol will

Answer 28

automatically switch off after 10 seconds

Question 29

Field-testing has shown batteries last no more than ____. This device requires 2 – AA alkaline batteries.

Answer 29

2 or 3 weeks

Question 30

When the batteries are replaced, it will take up to ___ for the device to warm-up.

Answer 30

30 minutes

Question 31

A Bump Test is required anytime the ___ after being used in suspected IDLH atmospheres (not after weekly)

Answer 31

meter registers readings

Question 32

Turn on device and check battery icon, replace batteries if less than ___.

Answer 32

¾ full.

Question 33

Oxygen alarm points

Answer 33

Lower 19.5% Upper 23.5%

Question 34

Carbon Monoxide alarm points

Answer 34

A1 25 ppm / A2 50 ppm / IDLH 1200 ppm

Question 35

Hydrogen Sulfide

Answer 35

A1 10 ppm / A2 15 ppm / IDLH 100 ppm

Question 36

Hydrogen Cyanide

Answer 36

A1 4.70 ppm / A2 10 ppm / IDLH 50 ppm

Question 37

Methane

Answer 37

A1 10% / A2 20%

Question 38

Time Weighted Average (TLV-TWA): The level a worker can be exposed to a chemicalbsubstance for an 8 hr./day, 40-hr/week-work schedule. Without adverse ____

Answer 38

health effects

Question 39

Short Term Exposure Limit (TLV-STEL): An acute or spot exposure for a duration of ____, whereas workers would not suffer irritation, irreversible tissue damage, or impairment.

Answer 39

15 minutes

Question 40

Carbon Monoxide S/S

Answer 40

Headache / Nausea / Vomiting / Dizziness / Fatigue / Confusion / Syncope / Cherry Red Hue / Visual Disturbance

Question 41

Hydrogen Sulfide S/S

Answer 41

Eye Irritation, sore throat , cough , nausea , SOB , loss of sense of smell, PULMONARY EDEMA

Question 42

Hydrogren Cyanide S/S

Answer 42

Restless / Rapid Breathing / Dizziness / Weakness / Headache / Nausea / Vomiting / Rapid heart rate / Convulsions

Question 43

Methane S/S

Answer 43

Flammable/ Explosive but non toxic / Large amounts can cause oxygen displacement leading to Asphyxia