Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Hds > Test 1b > Flashcards

Test 1b Flashcards

1
Q

What unsafe condition could result if you detonate explosives in a lab?

A

Structural damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What explosive is most commonly found in improvised detonators?

A

TATP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is added to acetone and hydrogen peroxide to make TATP?

A

Sulfuric Acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What makes up HMTD ?

A

Citric acid, hexamine, hydrogen peroxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

An IED circuit consists of what?

A

Power source, conductor, initiator, switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the minimum wait for electrical cap misfire ?

A

30 min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What’s the appropriate distance to place crimp on non-electric (time fuse) cap?

A

1/8”-1/4”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

When is it allowable to take a quick peak on a suspected package?

A

A quick peak is never the best course of action.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What priority facilitates the evacuation of the public prior to attempting rsp?

A

Public safety

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When is it allowable to doff the bomb suit down range?

A

When the suit will not allow the dexterity needed to complete the task

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the makeup for black powder?

A

Potassium nitrate, sulfur, charcoal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What makes anfo?

A

Ammonium nitrate, fuel oil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How are caps wired for proper dual electric priming?

A

Two electric caps wired in parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is an airblast?

A

Shockwave or transient pressure pulse that propagates through the air at supersonic velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are secondary explosives?

A

Explosives that normally require initiation by detonation of initial primary explosive.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What speed does hmx in shock tube detonate at?

A

6500 fps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What do blasting agents need to be detonated?

A

A booster

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What explosive is generally safe when wet but as dangerous as ever when dry again?

A

Black powder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What kind of explosive is PETN

A

Monomolecular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is a common explosive with an acetone as a precursor?

A

TATP (triacetonetriperoxide)

21
Q

What common source can Americium 241 be found in?

A

Smoke detector

22
Q

Who should bomb squads contact when encountering WMD threats?

A

FBI

23
Q

A build up of pressure which overcomes the strength of the container

A

Mechanical explosion

24
Q

Deflagration

A

Rapid combustion moving through an explosive material at a velocity lower than speed of sound

25
Q

High explosive

A

Explosive characterized by a very high rate of reaction

26
Q

High order detonation

A

Detonation which results in the consumption of all the explosives in the charge

27
Q

Who must be on scene when EOD arrives?

A

A Civil Safety or Law Enforcement Official

28
Q

What conclusion can you make about the color of military ordnance found in the wild?

A

Color code is not an adequate identification for ordnance outside military control

29
Q

What can’t bomb techs do during WMD Chemical Threat?

A

Cannot delegate bomb squad duties to Hazmat Teams

30
Q

What is an important aspect regarding biological threats ?

A

They are microscopic and their presence is not indicated by appearance

31
Q

What is average background radiation for an individual?

A

620mRem per year

32
Q

How are transistors used in IED’s?

A

As an Electronic switch

33
Q

How are AIR (active infrared) devices activated?

A

Interrupting the beam

34
Q

What kind of circuit involves a firing battery, receiver battery, antenna, servo, micro switch, and initiator?

A

Remote control circuit

35
Q

Define mechanical action fuze

A

Requires physical action or force for the mechanism to function

36
Q

Which manually actuated fuse is the most dangerous to a bomb tech?

A

Anti-disturbance

37
Q

What is a common safe arm for a circuit containing a trembler or vibratory switch?

A

Clock or timer

38
Q

A circuit draws 3A through 8 ohms, what’s the supplied volts

A

24

39
Q

Firing switches and arming switches in an IED circuit are normally wired how?

A

Series parallel

40
Q

What is required to make an IED circuit?

A

Power, conductor, switch, initiator

41
Q

What can cause a collapsing circuit to function?

A

Battery decay, cut wrong wire, disturbance

42
Q

When should you wear a bomb suit?

A

Every approach until all explosive hazards are dealt with

43
Q

If voltage remains constant and resistance is increased, what does current do?

A

Decreases

44
Q

What term defines current flow in a circuit?

A

Amperage

45
Q

What term is the measure of resistance?

A

Ohms

46
Q

Switches perform what purpose in a circuit?

A

Open or close a circuit

47
Q

A 12 volt circuit passes through 2 ohms of resistance, what’s the current?

A

6 amps

48
Q

What occurs when power button is pressed on the bomb suit arm controller?

A

Link is established with the helmet/controller and green light turns on

Hds (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions