Detectors

Question 1

The Calibration trap/marker is___?

Answer 1

TNT

Question 2

The Verification trap/marker is___?

Answer 2

RDX

Question 3

The HE detector temperature can take up to __ minutes to stabilize if powered off prior to calibration.

Answer 3

15

Question 4

What must be done prior to pressing the “Trigger” during Auto Calibration on the HE detector ?

Answer 4

A Calibration trap must be inserted.

Question 5

Prior to Verification of the Auto Calibration on the HE detector what must the operator do?

Answer 5

Insert a clean trap and press the “Trigger.” Repeat until green screen “No Alarm Ready” appears.

Question 6

Gloves be changed between Auto Calibration and Verification steps of the HE detector . T/F

Answer 6

True

Question 7

When preparing for sample collection for the HE detector how many Sample traps should be prepared?

Answer 7

3 sets of Sample traps with envelopes.

Question 8

Explain sample collection and preparation for the HE detector .

Answer 8

Sample 1 is collected from IPC. Sample 2 is collected from sample 1. Sample 3 is collected from sample 2.

Question 9

Sample 1 is the first sample examined by the HE Detector after sample preparation. T/F

Answer 9

F- Sample 3 is the first tested sample.

Question 10

Use a _ gig (or less) thumb drive or SD card formatted to “___ __” to transfer data from the HE Detector.

Answer 10

8; FAT 32.

Question 11

The steps for transferring data are: ____>_____ _____>____ ____ ____ __ ______ _____.

Answer 11

Menu>Advanced Menu>Copy Alarm Files to External Media.

Question 12

What 2 steps need to be completed during Shutdown?

Answer 12

Delete Alarm Files; 5 min System Burn.

Question 13

If Manual Calibration of the HE detector is necessary which option is correct: Dual Peak Calibrate or Single Peak Calibrate?

Answer 13

Single Peak Calibrate

Question 14

Select the top of the RDX/HMX peak, not the RDX-H:1 peak to perform HE detector Manual Calibration. T/F

Answer 14

True

Question 15

A SIG file is generated under what circumstances on theHE detector ?

Answer 15

As a result of Insufficient Quantity of Explosives-No Alarm.

Question 16

When sampling with the HE detector, what should happen after an Insufficient Quantity of Explosives-No Alarm?

Answer 16

The SIG should be recorded and the next generation sample (either 2 or 1) should be tested.

Question 17

Position the ORTEC for optimal spectrum collection (between __ and __ cps and between __% and __% dead time.

Answer 17

5K, 20K; 10, 40.

Question 18

The internal battery of the ORTEC should last?

Answer 18

2–3 hours at 77 degrees F.

Question 19

The ORTEC requires what size external memory card?

Answer 19

2 Gb or smaller SD.

Question 20

The identiFINDER 2-R400 automatically calibrates via an intrinsic _____ source.

Answer 20

Cs137

Question 21

Use _____ ____ _____ to collect Known with the identiFINDER 2-R400?

Answer 21

Tungsten welding rods.

Question 22

When reporting identiFINDER 2-R400 to TRIAGE, use this description for the Known spectra:

Answer 22

10 Pieces Tungsten Electrodes 2% Thoriated Red Tip 1/8” x 7”.

Question 23

The FH40 probe head should be ___ above the potentially contaminated source.

Answer 23

1/4”.

Question 24

On the FH40 a reading of __ ___ or higher must be reported to SIOC/Home Team.

Answer 24

10 cpm.

Question 25

On the FH40 a reading of __ ___ or greater requires respirator.

Answer 25

150,000 cpm.

Question 26

On the FLuke Survey Meter, a reading of __ __ (MMX scanner) or __ __ (ScanX scanner) indicates the mosaic will have received the correct exposure.

Answer 26

2 mR, 0.5 mR.

Question 27

The INL Tool should be used at an unshielded reading of ___-____.

Answer 27

100-200 mR/hr.

Question 28

To get the Dose Ratio with the INL Tool?

Answer 28

Shiielded Dose Rate divided by the Unshielded Dose Rate.

Question 29

The INL Tool Chart indicates which isotopes?

Answer 29

Se-75, Ir-192, Cs-137, Co-60.

Question 30

Proceed downrange covering approximately __ feet per second or slower while searching with the HRM.

Answer 30

2.

Question 31

Press the update button when a _ or _ is displayed in the Gamma display on the HRM.

Answer 31

U, 9.

Question 32

The HRM indicates a reading of ___ ___ or more when the update button no longer resets the value.

Answer 32

12 mR/hr (2 resets)

Question 33

The MobileTrace _____ must be changed prior to use.

Answer 33

Drier

Question 34

_____ is the known source used for the Ortec.

Answer 34

Thorium (Yellow Cap)

Question 35

Background measurements for the Ortec shold be taken in a like environment, away from IPC influence. T/F

Answer 35

True

Question 36

identiFINDER 2-R400 is unreliable >50mR due to switching to the GM tube. T/F

Answer 36

True

Question 37

The identiFINDER 2-R400 can be calibrated in elevated radiation fields. T/F

Answer 37

False

Question 38

The FH-40 is primarily used for ______ detection and _____/_______ for secondary detection.

Answer 38

Alpha; Gamma/Neutron

Question 39

The INL coin is designed to identify single RDD threat isotopes. T/F

Answer 39

True

Question 40

The three modes of the identiFINDER 2-R400 are?

Answer 40

Finder, Dose, Identify

Question 41

The HRM is _____ color and the HDHRM is ______ color.

Answer 41

Black; Tan

Question 42

The HDHRM indicates a reading of ___ ___ or more when the update button no longer resets the value

Answer 42

88R (2 resets)

Question 43

A "U" reading on either the HRM or HDHRM indicates what?

Answer 43

Field lower than background.

Question 44

On the Identifinder-2, a _____ LED indicates Neutron and a _____ LED indicates Gamma.

Answer 44

Blue; Red

Question 45

The Identifinder-2 alarm rates are?

Answer 45

2 mR/hr and 10 mR/hr

Question 46

The Identifinder-2 uses He3 to detect neutrons. T/F

Answer 46

True

Question 47

To access the advanced menu on the Identifinder-2 use what sequence?

Answer 47

LMRLMR on the arrows

Question 48

What must be changed prior to using the MobileTrace?

Answer 48

Drier desiccant

Question 49

MobileTrace should be stored in power off mode. T/F

Answer 49

True